_ K-RM-RA81 Rev A, Mini Revision Table, Oct 1990

                          RA81 OPTION REVISION TABLE
                           CLUSTER SUPPORTED RA81
PART NO.          DESCRIPTION                      REV
                                       Hardware             Hardware
                                         Rev 7                Rev 8
-----------------------------------------------------------------------------
RA81              P1                   S1,2,3,4              *a,b
70-19062-01/02

H7660-C/D         Power Supply *b,c    E2,F1                 F1,H1,H2
                                       H1,H2

70-18491-01       HDA                  H1,J,K,L              J,K,L

54-15247-00       Microprocessor       V                     V

70-19045-00       SERVO Module         ETCH B                ETCH B
                                       REV H,N               REV H,N
                                       ETCH C1               ETCH C1
                                       REV L,N               REV L,N
                                       ETCH D                ETCH C1
                                       REV M,N               REV H,J

70-19046-00       Personality          ETCH B                ETCH B
                                       REV F                 REV F
                                       ETCH C1               ETCH C1
                                       REV H,J               REV H,J

54-15253-00       R/W Module           J                     J

*a =  70-19062 revision P1 includes HDA ground strap RA81 FCO 14
*b =  60 HZ - 50 HZ
*c =  The power supply upgrade is not required if at or above E2

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