FCC ID: AO9-DE100 FCC NOTICE: This device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Any changes or modifications made to this equipment may void the user 's authority to operate this equipment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Re-orient or relocate the receiving antenna - Increase the separation between the equipment and receiver - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected - Consult the dealer or an experienced radio/TV technician for help The use of unshielded Ethernet cable on ThickWire ports with this equipment is prohibited due to non-compliance with FCC regulations for a Class B computing device pursuant to Part 15 of FCC Rules. BENUTZERHINWEIS: Das DEC EtherWORKS LC-Modul in Verbindung mit IBM Personalcomputersystemem entsprechen den Funkentstöranforderungen der DBP- Verfugung 523/69 und VDE0871 Grenzwertklasse B. This document was prepared using VAX DOCUMENT, Version 2.1. DEC EtherWORKS LC Ethernet Controller ------------------------------------------------------------ Owner 's Manual Order Number: EK-DE100-OM. D01 Digital Equipment Corporation Maynard, Massachusetts ------------------------------------------------------------ First Edition, 1990, Fourth Edition 1992 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document. © Digital Equipment Corporation 1990, 1992. All Rights Reserved. The following are trademarks of Digital Equipment Corporation: DEC, EtherWORKS, the DIGITAL logo, ThinWire, and VAX DOCUMENT. IBM and Personal Computer AT are registered trademarks of International Business Machines, Inc. This document was prepared using VAX DOCUMENT, Version 2.1. ------------------------------------------------------------ Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii 1 Installing the LC Board 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 Preparing Your Computer . . . . . . . . . . . . . . . . 1-2 1.3 Selecting the Network Interface . . . . . . . . . . . . 1-4 1.4 Installing the LC Board . . . . . . . . . . . . . . . . . . 1-6 1.5 Running the Power Up Self-Test . . . . . . . . . . . 1-10 1.6 Connecting to a Network . . . . . . . . . . . . . . . . . 1-10 1.6.1 Connecting to ThinWire Ethernet . . . . . . . 1-11 1.6.2 Connecting to ThickWire Ethernet . . . . . . . 1-12 1.7 Installing the Software . . . . . . . . . . . . . . . . . . 1-12 2 Configuring the LC Board 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2.2 Default Settings . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2.3 Sellecting Settings . . . . . . . . . . . . . . . . . . . . . . 2-4 2.4 Memory Addressing Range and Size Selection (SW1 - SW4) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 2.5 I/O Address Selection (SW5) . . . . . . . . . . . . . . 2-7 2.6 Remote Boot Selection (SW6) . . . . . . . . . . . . . . 2-8 2.7 Remote Boot Period Selection (SW7) . . . . . . . . 2-9 2.8 IRQ Selection (SW8 - SW12) . . . . . . . . . . . . . . 2-10 iii 3 Problem Solving 3.1 Fault Isolation by Symptom . . . . . . . . . . . . . . . 3-1 3.2 LED Activity . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 3.3 Recovering From Self-Test Errors . . . . . . . . . . 3-6 A General Information A.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 A.2 Physical Description . . . . . . . . . . . . . . . . . . . . . A-1 A.2.1 Functional Components . . . . . . . . . . . . . . . A-1 A.2.2 LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 A.2.3 Environmental Requirements . . . . . . . . . . A-2 A.3 System Specifications . . . . . . . . . . . . . . . . . . . . A-2 B Installing an Option ROM B.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 B.2 ROM Installation Procedure . . . . . . . . . . . . . . B-1 Figures 1 DEC EtherWORKS LC Product Kit (Digital PN DE100-AA) . . . . . . . . . . . . . . . ix 1-1 Removing the System Unit Cover . . . . . . . 1-3 1-2 Selecting the Network Interface . . . . . . . . 1-5 1-3 Removing the Slot Cover . . . . . . . . . . . . . . 1-7 1-4 Installing the DEC EtherWORKS LC Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 1-5 Replacing the Screws and Cover . . . . . . . . 1-9 1-6 Connecting to a ThinWire Network . . . . . . 1-11 1-7 Connecting to a ThickWire Network . . . . . 1-12 2-1 LC Board Switch Pack . . . . . . . . . . . . . . . 2-3 2-2 Memory Range C8000 to CFFFF for 32 KB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 2-3 Switch Selecting 200 - 20F I/O Memory . . . 2-7 iv 2-4 Switch Enabling Remote Boot . . . . . . . . . . 2-8 2-5 Switch Selecting 150 Seconds for Remote Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 2-6 Switch Selecting IRQ3 . . . . . . . . . . . . . . . . 2-11 B-1 DEC EtherWORKS LC ROM Installation . . . . . . . . . . . . . . . . . . . . . . . . B-2 Tables 1-1 Setting the Shunt Connector . . . . . . . . . . . 1-4 2-1 Switch Pack Default Settings . . . . . . . . . . . 2-2 2-2 Switch Settings and Memory Address Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 2-3 Interrupt Request Line Switches . . . . . . . . 2-10 3-1 Fault Isolation by Symptom . . . . . . . . . . . . 3-1 3-2 LED Activity . . . . . . . . . . . . . . . . . . . . . . . 3-5 3-3 Self-Test Error Codes . . . . . . . . . . . . . . . . . 3-6 A-1 System Specifications . . . . . . . . . . . . . . . . . A-2 v ------------------------------------------------------------ Preface The DEC EtherWORKS LC Ethernet Controller is a personal computer bus adapter that enables you to integrate various IBM /PC/XT/AT or compatible personal computers into a network using either ThickWire or ThinWire Ethernet cables. This manual describes how to install and configure the LC board. Using the manual, you should be able to prepare an IBM/PC/XT/AT or compatible personal computer and an LC board for use on an Ethernet network. You do not need to know a lot about computers to install the LC board. You need to understand the basic concepts and uses of Ethernet networks, and be familiar with personal computers. For more information on compatibility of the LC board with your computer, see your system administrator. This manual is organized as follows: · Chapter 1 contains installation instructions. · Chapter 2 explains board configuration. · Chapter 3 contains problem solving information. · Appendix A describes the hardware and software features. · Appendix B provides a ROM installation procedure. vii The conventions used in this manual are described in the next table. ------------------------------------------------------------ Convention Meaning ------------------------------------------------------------ CAUTION Provides information to prevent damage to equipment. NOTE Provides general information. PN Part number. ! A number in a circle in text refers to the corresponding number in an accompanying illustration. ------------------------------------------------------------ Product Kit Contents Before you install an LC board, be sure you have the following components, shown in Figure 1. · The DEC EtherWORKS LC Board !, packaged in an anti-static bag " · Owner 's manual # · T-Connector $ · Installation diskette (5¼ inch) % · Installation micro-diskette (3½ inch) & ------------------------------------------------------------ Note ------------------------------------------------------------ If your LC board does not have a ROM as shown in ' Figure 1, refer to Appendix B. ------------------------------------------------------------ viii Figure 1 DEC EtherWORKS LC Product Kit (Digital PN DE100-AA) ------------------------------------------------------------ CAUTION ------------------------------------------------------------ Static electricity can damage printed circuit boards and chips. A grounded wrist strap and grounded work-surface-to-earth ground should be used when handling these components. ------------------------------------------------------------ ix 1 ------------------------------------------------------------ Installing the LC Board 1.1 Introduction This chapter describes how to install an LC board into an IBM/PC/XT/AT or compatible personal computer. The only tool you need is a flat-head screwdriver. After you install the board, you need to use the installation diskette to access information about the software. The diskette size (5¼ or 3½) you use depends on your computer. 1-1 1.2 Preparing Your Computer Before you install the LC board, you need to prepare your computer as described in the next procedure. The illustrations show an IBM PC personal computer, however, you can use the same procedure for other PCs with only minor modifications. 1. Remove any diskette from the diskette drive. 2. Set all power switches to O (off). 3. Unplug the power cord from the wall outlet. 4. Disconnect all cables from the rear of the system unit. 5. Remove the screws from the rear of the system unit (Figure 1-1). 6. Slide the cover toward the front of the system unit until the cover is free. ------------------------------------------------------------ Note ------------------------------------------------------------ The LC board has a switch pack that lets you determine how the board operates. This switch pack is already set to correspond to the needs of most customers (default settings). If the settings do not meet your requirements, you need to change them on the board (see Chapter 2). ------------------------------------------------------------ ------------------------------------------------------------ Note ------------------------------------------------------------ If the board is set to use an interrupt request line, base memory address, or I/O address that another option board uses, your computer or other boards may not operate correctly when you boot the system. To test the board with the default settings, you may need to remove all other option boards from the computer. ------------------------------------------------------------ 1-2 Figure 1-1 Removing the System Unit Cover 1-3 1.3 Selecting the Network Interface The LC board has a shunt connector (! Figure 1-2) that lets you determine how the board interfaces with the network--either ThinWire or ThickWire Ethernet networks. The board is shipped with the setting preselected for the ThinWire Ethernet network. You may need to change the shunt connector setting before you install the board in your computer. Table 1-1 summarizes the settings and Figure 1-2 shows the settings. Table 1-1 Setting the Shunt Connector ------------------------------------------------------------ If You Want To ... Then ... ------------------------------------------------------------ Connect to a ThinWire Ethernet network " Leave the shunt connector in the position connecting pin rows 2 and 3 (default setting). Connect to a ThickWire Ethernet network # Move the shunt connector to connect pin rows 1 and 2. ------------------------------------------------------------ ------------------------------------------------------------ CAUTION ------------------------------------------------------------ Static electricity can damage printed circuit boards and chips. A grounded wrist strap and grounded work-surface-to-earth ground should be used when handling these components. ------------------------------------------------------------ 1-4 Figure 1-2 Selecting the Network Interface 1-5 1.4 Installing the LC Board Install the LC board using the next procedure. 1. Remove the option slot cover from the slot you plan to use. Remove the screw from an available option slot on the rear panel insert. Save the screw for later use. ------------------------------------------------------------ Caution ------------------------------------------------------------ For safe operation, ensure that there are no missing slot covers when you complete the installation. ------------------------------------------------------------ 1-6 Figure 1-3 Removing the Slot Cover 1-7 2. Place the LC board in the option slot. Tip the board down and toward the rear of the system box to allow the BNC connector on the mounting bracket to clear the opening in the rear of the system unit (Figure 1-4). 3. Firmly press the board into place until it is securely seated. Be sure the BNC connector is centered in the opening. 4. Replace the screw on the slot cover. Figure 1-4 Installing the DEC EtherWORKS LC Board 1-8 5. Replace the system unit cover. a. Slide the cover toward the rear of the system unit. b. Replace the screws (Figure 1-5) at the rear of the system unit. Figure 1-5 Replacing the Screws and Cover 6. Plug the keyboard connector into the rear of the system unit and connect the cables. a. Connect any option cables and the monitor cable to the rear of the system unit. b. Connect the power cable to the rear of the system unit, then plug the other end into the wall outlet. 1-9 1.5 Running the Power Up Self-Test A power up self-test runs automatically each time your turn on or reset your computer. When the self-test completes successfully, the screen displays LC board configuration information, and then the system prompt appears. If the self-test is unsuccessful, an error code, such as DE100 88, appears on the screen during the restart process, indicating that a self-test error has occurred. Note the error code and refer to Section 3.2. 1.6 Connecting to a Network Depending on how you set the shunt connect in Section 1.3, use one of the following procedures to connect your system to the network. For ThinWire Ethernet, refer to Section 1.6.1; for ThickWire Ethernet, refer to Section 1.6.2. 1-10 1.6.1 Connecting to ThinWire Ethernet Connect the board to ThinWire Ethernet by attaching the T-Connector to the ThinWire Ethernet connector. Push the connector nut of the T-Connector onto the BNC connector on the bottom of the board mounting bracket, then turn the nut clockwise until it locks into place (Figure 1-6). Figure 1-6 Connecting to a ThinWire Network 1-11 1.6.2 Connecting to ThickWire Ethernet Connect the transceiver cable to the ThickWire Ethernet connector (Figure 1-7). Figure 1-7 Connecting to a ThickWire Network 1.7 Installing the Software Read the files named "README.TXT" and "RELEASE.NOT" on the installation diskette. These files contain the instructions for loading the LC software drivers, problems found, and how to configure your system. 1-12 2 ------------------------------------------------------------ Configuring the LC Board 2.1 Introduction The LC board switch pack contains 12 switches you can set that enable the board to operate in a configuration without interference with the other boards in your computer. This chapter describes how to change the settings on the switch pack. If you have many options in your system, you may also need to change the interrupt request (IRQ) line, the I/O address setting, or the memory address setting on the LC board to create a compatible operating set. 2.2 Default Settings The LC board is shipped with the switch pack settings preselected (default settings) to work in most installations. These settings are shown in Table 2-1 and illustrated in Figure 2-1. 2-1 Table 2-1 Switch Pack Default Settings ------------------------------------------------------------ Switch Setting Function Default ------------------------------------------------------------ SW1 SW2 ON ON Sets the base memory address range. Base memory address range set to D0000 - DFFFF (hex). SW3 SW4 ON ON Selects a base memory size. 64 KB of memory selected. SW5 ON Sets the I/O memory address. I/O starting address set to 300 (hex). SW6 ON Enables or disables the remote boot feature. 1 Remote boot disabled. SW7 OFF Sets the timeout period for the remote boot attempt. 1 Thirty-second timeout period set. SW8 SW9 SW10 SW11 SW12 OFF OFF OFF ON OFF Enable IRQ2 Enable IRQ3 Enable IRQ4 Enable IRQ5 Enable IRQ7 IRQ5 enabled. ------------------------------------------------------------ 1 This feature requires installation of the option ROM chip. Refer to Appendix B for more information. ------------------------------------------------------------ ------------------------------------------------------------ Note ------------------------------------------------------------ When the switches are set to the open position, the setting is OFF. ------------------------------------------------------------ 2-2 Figure 2-1 LC Board Switch Pack 2-3 2.3 Sellecting Settings You can set only one board in the computer to use a specific interrupt request line, I/O memory address, or base memory address. If you do not know the settings for the other boards: · Ask your system administrator for a list of the settings. · Check the board documentation for the possible settings. · Inspect the boards to determine the actual settings. If a conflict exists, you can change the appropriate setting on the LC board as described in the sections that follow. The switches being described are highlighted in the illustrations. 2.4 Memory Addressing Range and Size Selection (SW1 - SW4) Switches SW1 and SW2 select the memory addressing range. Switches SW3 and SW4 select the size of the system memory. Table 2-2 lists the possible memory address ranges and the switch settings that select them. Only one board can be set to use a given memory address range. Check the documentation supplied with your personal computer and other boards to determine memory address requirements. If a memory range conflict occurs with other boards, select a range that is not used. 2-4 Table 2-2 Switch Settings and Memory Address Ranges ------------------------------------------------------------ Buffer Size SW1 SW2 SW3 SW4 Memory Addressing Range ------------------------------------------------------------ 64 KB OFF ON ON ON C0000--CFFFF ON ON ON ON D0000--DFFFF (default setting) OFF OFF ON ON E0000--EFFFF 1 ------------------------------------------------------------ 32 KB OFF ON OFF ON C8000--CFFFF ON ON OFF ON D8000--DFFFF OFF OFF OFF ON E8000--EFFFF 1 2 KB 2 - - - OFF - ------------------------------------------------------------ 1 Some PCs do not support the E0000 - EFFFF or E8000 - EFFFF memory address ranges; check your PC manual for this informatiON. 2 At this time, Digital PCSA software does not support 2 KB mode. ------------------------------------------------------------ ------------------------------------------------------------ Note ------------------------------------------------------------ Setting SW1 to the ON position and SW2 to the OFF position is an illegal configuration and could prevent the computer from working correctly. ------------------------------------------------------------ 2-5 The LC board works best when the entire 64 KB of network buffer memory is enabled for operation. Some option boards and system configurations do not permit the allocation of this amount of memory. Network performance is slower when you select 32 KB or 2 KB, but you can use the LC board in configurations where address space is at a premium. Example: Figure 2-2 shows the settings for SW1 through SW4 that select the C8000 to CFFFF (hex) system memory addressing range. Figure 2-2 Memory Range C8000 to CFFFF for 32 KB 2-6 2.5 I/O Address Selection (SW5) The LC board uses one of two I/O address ranges (primary or secondary) to communicate with the CPU. Only one board in the computer can be set to use a given I/O address range. · Switch SW5 set to ON selects the primary I/O address range (300 - 30F; default setting). · Switch SW5 set to OFF selects the secondary I/O address range (200 - 20F) (Figure 2-3). Figure 2-3 Switch Selecting 200 - 20F I/O Memory 2-7 2.6 Remote Boot Selection (SW6) Switch SW6 determines whether the remote boot feature is enabled or disabled. 1 · Switch SW6 set to ON disables remote boot (default setting). · Switch SW6 set to OFF enables remote boot (Figure 2-4). Figure 2-4 Switch Enabling Remote Boot ------------------------------------------------------------ 1 This feature requires installation of the option ROM chip. Refer to Appendix B for more information. 2-8 2.7 Remote Boot Period Selection (SW7) SW7 controls the timeout period for attempting a remote boot operation. · Switch SW7 set to OFF sets the remote boot timeout to 30 seconds (default setting). · Switch SW7 set to ON sets the remote boot timeout to 150 seconds. Figure 2-5 Switch Selecting 150 Seconds for Remote Boot 2-9 2.8 IRQ Selection (SW8 - SW12) You can use switches SW8 through SW12 to select an interrupt request line (IRQ). The LC board uses one IRQ line for the network interface (NI). Table 2-3 lists the switches and the interrupt request line that is enabled. Table 2-3 Interrupt Request Line Switches ------------------------------------------------------------ Switch Interrupt Request Line ------------------------------------------------------------ SW8 IRQ2 SW9 IRQ3 SW10 IRQ4 SW11 IRQ5 (default setting) SW12 IRQ7 ------------------------------------------------------------ Only one of the switches should be set to ON. By default, SW11 is set to ON, selecting IRQ5. Example: To select IRQ3, set SW9 to the ON position and set switches SW8, SW10, SW11, and SW12 to the OFF position (Figure 2-6). 2-10 Figure 2-6 Switch Selecting IRQ3 2-11 3 ------------------------------------------------------------ Problem Solving The tables in this chapter describe problems you may encounter with the LC board and provide possible causes and solutions. 3.1 Fault Isolation by Symptom Table 3-1 describes how to isolate faults by the symptoms occurring and any corrective action to be taken. Table 3-1 Fault Isolation by Symptom ------------------------------------------------------------ Symptom Possible Cause Recommended Action ------------------------------------------------------------ The system is on, but there is no display. The monitor is not on or it is not connected to the video board. Be sure the monitor cable is firmly connected to the video board. Set the monitor power switch to on. The LC board is not seated firmly. Remove and reinsert the board firmly into the option slot (Section 1.3.) The I/O or memory address is set wrong or is causing a conflict with another board. Check the settings for SW1 through SW5. An address range conflict may exist between the LC board and another option board. (continued on next page) 3-1 Table 3-1 (Cont.) Fault Isolation by Symptom ------------------------------------------------------------ Symptom Possible Cause Recommended Action ------------------------------------------------------------ The LC board is preventing the computer from operating correctly. Disconnect the transceiver cable or the twisted-pair cable from the LC board. Turn the computer off then on again. If the problem persists, contact your system administrator or authorized service representative. The system is on, but nothing happens. The LC board LED is on for longer than 30 seconds. The keyboard does not respond. The LC board is preventing the CPU from operating correctly. Disconnect the transceiver cable or the twisted-pair cable from the LC board, then turn the computer off then on again. The I/O or memory address is set wrong or is causing a conflict with another board. Check the settings for SW1 through SW5. An address range conflict may exist between the LC board and another option board. If the problem persists, contact your system administrator or authorized service representative. The system does not boot from the diskette. Switch SW6 is in the OFF position. Set SW6 to the ON position. (continued on next page) 3-2 Table 3-1 (Cont.) Fault Isolation by Symptom ------------------------------------------------------------ Symptom Possible Cause Recommended Action ------------------------------------------------------------ The system diskette may be corrupted. See your system administrator for a bootable system diskette. The system does not remote boot. Switch SW6 is set to the ON position, disabling remote boot. Set switch SW6 to the OFF position. If a 30-second remote boot time is set, it may not be long enough for a busy network. Set switch SW7 to the ON position, enabling a 150-second timeout. The Ethernet address is not registered for this address node. Re-register this board. If the problem persists, contact your system administrator. The system is on, but the network does not start. The network interface or remote boot is set incorrectly. Check the shunt connector setting. The network cables are loose. Check and secure all cables. A conflict exists with another board in the system:  IRQ jumpers are set incorrectly. Check the settings for SW8 through SW12 (Chapter 2).  The I/O address or memory address range is set incorrectly. Check settings for SW1 through SW5 (Chapter 2). The Ethernet address is not registered for this address node. Re-register this board. If the problem persists, contact your system administrator. (continued on next page) 3-3 Table 3-1 (Cont.) Fault Isolation by Symptom ------------------------------------------------------------ Symptom Possible Cause Recommended Action ------------------------------------------------------------ The system is on and displays DE100 and a self-test code during system startup. A possible problem exists with the LC board. See Table 3-3. Press the F1 key to continue. Replace or reinsert the board and try starting the system again. The I/O address or memory address range is set incorrectly, or is causing a conflict with another board. Check the settings for SW1 through SW5. An address range conflict could exist between the LC board and another option board. The error code may be an IBM error code. See your IBM owner 's manual for additional information. If the problem persists, contact your system administrator. The system cannot return to network operation after exiting an application program. You may be using a program written or compiled in Version 1.0 BASIC (IBM BASIC Version 1.0, Interpreter or Compiler, GW-BASIC Version 1.0). Do not use these versions of the program. Recompile the program using Version 2.0 or later of BASIC, or contact your software vendor for an updated version of the program. ------------------------------------------------------------ 3-4 3.2 LED Activity There is an amber light emitting diode (LED) on the LC board mounting bracket that displays the operating status of the board. The next table describes the different LED activity. Table 3-2 LED Activity ------------------------------------------------------------ LED Activity Cause User Action ------------------------------------------------------------ The LED stays on for 20 seconds, then it goes off. Normal during self-test. None. The LED stays on after 20 seconds. A fault has occurred and an error number appears on the screen. See the LC board self-test error codes (Table 3-3). ------------------------------------------------------------ 3-5 3.3 Recovering From Self-Test Errors Self-test errors can occur at system startup. Table 3-3 lists the LC board self-test error codes, possible cause, and recommended action. To recover from some errors, you can try pressing the F1 function key to resume system operation. ------------------------------------------------------------ Note ------------------------------------------------------------ Although the LC board detects an error and is not operating, you can still use your personal computer. ------------------------------------------------------------ Table 3-3 Self-Test Error Codes ------------------------------------------------------------ Error Description Recommended Action ------------------------------------------------------------ 80 Memory access conflict Check switches SW1 through SW5 for a conflict with another installed board. 81 Data path error Check switches SW1 through SW5 for a conflict with another installed board. Call your Digital authorized service representative. 82 Address test conflict Check switches SW1 through SW5 for a conflict with another installed board. 83 RAM Test conflict Check switches SW1 through SW5 for a conflict with another installed board. 84 Ethernet ROM CRC error Check switch SW5 for a conflict with another installed board. If the problem continues, call your Digital authorized service representative. 85 NI_CSR Error Call your Digital authorized service representative. (continued on next page) 3-6 Table 3-3 (Cont.) Self-Test Error Codes ------------------------------------------------------------ Error Description Recommended Action ------------------------------------------------------------ 86 LANCE I/O Address conflict Check the setting for switch SW5. 87 LANCE Initialization error Call your Digital authorized service representative. 88 LANCE IRQ Conflict Check the IRQ switch settings, SW8 through SW12. 89 NI_CSR Mask test error Call your Digital authorized service representative. 8A LANCE Internal loopback error Call your Digital authorized service representative. 8B LANCE Collision error Call your Digital authorized service representative. 8C LANCE CRC Error Call your Digital authorized service representative. 8D Shadow RAM error Call your Digital authorized service representative. 8E Shadow RAM enable error Call your Digital authorized service representative. 8F Configuration error Check switches SW8 through SW12 to be sure only one of the switches is in the ON position. Also check the parameter settings for your network to be sure they match the board configuration. ------------------------------------------------------------ 3-7 A ------------------------------------------------------------ General Information A.1 Introduction The LC board lets you integrate IBM/PC/XT/AT and compatible personal computers into a network. After installing an LC board, you can use various network software products to integrate the computer into a network. You can install an LC board in any IBM/PC/XT/AT or a computer that has an IBM/PC/XT/AT compatible bus. You can connect the LC board to either a ThinWire network or a ThickWire network. You cannot, however, connect the LC board to both kinds of networks at the same time. A.2 Physical Description The LC board is a half-length, IBM PC form-factor printed circuit board that uses an 8-bit bus connector with no "overhang" interference. The board measures 17.2 cm x 10.8 cm (6.75 inches x 4.25 inches); the length to the end of the connector is 18.7 cm (7.38 inches). A.2.1 Functional Components The major functional components on the LC board are: · Ethernet network protocol controller (LANCE) · ThinWire (BNC connector) network interface · Standard Ethernet ThickWire (DB-15S connector) network interface A-1 · Network buffer RAM - 64 KB · Diagnostics and remote-boot ROM - 16 KB (optional) · Ethernet hardware address ROM A.2.2 LED There is one light emitting diode (LED) on the mounting bracket that displays the operating status of the LC board. This amber LED comes on during power-up testing and stays on if the test discovers a fault. Chapter 3 contains additional information about the LED. A.2.3 Environmental Requirements The environmental (temperature and humidity) requirements for the LC board are the same as for your IBM/PC/XT/AT personal computer. A.3 System Specifications The LC board operates correctly at an I/O channel bus speed of 4.77, 6, 8, or 10 MHz. Table A-1 lists the system specifications of the LC board. Table A-1 System Specifications ------------------------------------------------------------ Memory Buffer Size Memory Addressing Range ------------------------------------------------------------ 64 KB C0000--CFFFF D0000--DFFFF E0000-- EFFFF 1 32 KB C8000--CFFFF D8000--DFFFF E8000-- EFFFF 1 2 KB 2 --- ------------------------------------------------------------ 1 Some PCs do not support the E0000 - EFFFF or E8000 - EFFFF address ranges; check your PC manual for this information. 2 At this time, Digital PCSA software does not support the 2 Kbyte mode. (continued on next page) A-2 Table A-1 (Cont.) System Specifications ------------------------------------------------------------ I/O Memory Assignments ------------------------------------------------------------ I/O 200-20F 300-30F ------------------------------------------------------------ Network Interface Available Selections ------------------------------------------------------------ Interrupt request line IRQ2, IRQ3, IRQ4, IRQ5, IRQ7 ------------------------------------------------------------ ------------------------------------------------------------ Power Requirements Amps DC (maximum) Wattage (maximum) ------------------------------------------------------------ ThickWire: @ +5V: 0.85 10.25 ThinWire:@ +12V: 0.35 0.5 A (maximum) to power external transceiver, DEC AUI (H4000 or equivalent) 8.45 Bus Loads: 2 LSTTL ------------------------------------------------------------ Operating Environment ------------------------------------------------------------ Temperature (at sea level) 15° C - 32° C (59° F - 90° F) Relative humidity 8% to 80% (non-condensing) Radiated emissions FCC Class B VDE Class B ------------------------------------------------------------ ------------------------------------------------------------ CAUTION ------------------------------------------------------------ When adding any new option board to your computer, verify that the combined power (wattage) required for all boards in your computer does not exceed the power supply rating. Check your PC documentation for this information. ------------------------------------------------------------ A-3 B ------------------------------------------------------------ Installing an Option ROM B.1 Introduction A ROM chip is optional on the LC board and is not required for correct operation. If you purchased the LC board from Digital (part number DE100-AA), then the board already has the option ROM installed. ------------------------------------------------------------ Caution ------------------------------------------------------------ Static electricity can damage printed circuit boards and chips. It is strongly recommended that a grounded wrist strap and grounded work-surface-to-earth ground be used when handling these components. ------------------------------------------------------------ If your configuration requires an option ROM chip, and does not have one installed, use the procedure described next to install one. B.2 ROM Installation Procedure Refer to Figure B-1 while following this procedure. ------------------------------------------------------------ Caution ------------------------------------------------------------ Incorrect installation of the ROM chip can damage the board. ------------------------------------------------------------ 1. Note the location of the notch ! on the silk screen surrounding the ROM socket. B-1 Figure B-1 DEC EtherWORKS LC ROM Installation 2. Be sure that the notch on the ROM " aligns with the notch on the silk screen and the socket. 3. Align the pins on the chip and press from side to side until the chip is fully seated. B-2