_ DEC-O-LOG for DMB32

_ DOL, DMB32-F001, DECSERVER 200 JUN 89

PROBLEM: 1) Incorrect mask in Virtual to Physical address translation
routine causing invalid access to System/Process Page Table Entries.
2) Revision 10 Microcode (Rev "H1/H2" T1012) does not support 2000 LPM
LP29 Printer. 3) Start of 68000 cycles not synchronized to start of
VAXBI Master transactions. 4) Async RX and TX split speed operation
mis-matched. 5) First four receive sync characters discarded by DMB32
following a receive abort in GENBYTE or BISYNC mode. 6) PBUFFCT
register not updated at the  termination of a transfer. 7) BIIC EXT
Vector Bit clear after module reset, to conform to DEC STD 057. 8)
Physical addressing of Page Tables not  implemented as per functional
specification. 

FIELD EFFECTIVITY: (1) Upgrade all DMB32's (T1012) for systems
exhibiting  System/Process Page Table Entry Access Violations. (2)
Upgrade the DMB32 (T1012) for those systems using the LP29 (2000 LPM)
Printer. (3) Upgrade all other DMB32's exhibiting Problem/Symptoms as
noted Problem/Symptom  section of the FCO.


QUICK CHECK: Verify E28 is part number 23-369E6-00, Verify E29 is part
number 23-370E6-00, Verify DMB32 T1012 at Revision "K1" or higher.
                          

FCO KIT ORDERING:
EQ-01522-02 FCO, PARTS 
FA-04822-02 FCO only