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SCSI Host Adapter Assemblies

  1. Use the slot assignment charts for systems with the 501-1138 or 501-1217 SCSI Assembly if there is no SCSI Host Adapter installed in a Sun-3/180, Sun-3/280, or Sun-4/280.
  2. Sun 3x2 Adapter, 501-1269, Option 160A, is connected to J2 Rows A and C. There is no external connector.
  3. Sun 3x2 Adapter, 501-1191, Option 160B, is not connected to J2 Rows A and C. There is no external connector.
  4. Sun 3x2 Adapter, 501-1220, has no connection to J2 Rows A and C and has an external 50-pin connector.
  5. Sun 3x2 Adapter, 501-1666, is connected to J2 Rows A and C and has an external 50-pin connector. This adapter connects the Sun 4300 CPU to the internal SCSI subsystem of the Sun-4/360.
  6. Sun-2 SCSI Host Adapter, 501-1167, has P2 bus connections and an external cable assembly. Do not substitute a 501-1236 Sun-3 SCSI for a 501-1045 Sun-2 SCSI in this adapter assembly.
  7. Sun-3 SCSI Host Adapter, 501-1217, does not function with the SCSI subsystem in the Sun-3/160, Sun-3/260, or Sun-4/260. The SCSI subsystem interfaces through J2, Rows A and B, of the VMEbus connector. These signals are not connected on the 501-1217 assembly.

Sun VME 3x2 SCSI Host Adapter Assemblies

ASSY #
w SCSI
INCLUDES
SCSI #
INCLUDES
BLANK ASSY #
P2 ROWS
A + C
SCSI
CONNECTION
501-1138 501-1045 500-1220 No External
501-1149 501-1045 500-1269 Yes Internal
501-1167 501-1045 500-1059 Yes External
501-1170 501-1236 500-1269 Yes Internal
501-1217 501-1236 500-1220 No External

Sun 3x2 Adapter Assemblies

OPTION # TESTED
ASSY #
ADAPTER
FAB #
P2 ROWS
A + C
EXTERNAL
CONNECTION
160A 501-1269 270-1059 Yes No
160B 501-1191 270-1138 No No
None 501-1220 270-1138 No Yes
None 501-1666 270-1059 Yes Yes

Memory Boards With SCSI

ASSY # MEMORY BD # DESCRIPTION SCSI HOST
501-1147 501-1079 2/50 0MB 501-1045
501-1172 501-1121 3/75 0MB 501-1045

Memory Boards That Can Use A 501-1045 SCSI

MEMORY BD # DESCRIPTION
501-1020 2/50 1MB
501-1046 2/50 2MB
501-1047 2/50 4MB
501-1067 2/50 3MB
501-1079 2/50 0MB
501-1111 3/75 2MB
501-1121 3/75 0MB
501-1122 3/75 4MB



Last updated: December 2, 1996
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