SCSI Host Adapter Assemblies
- 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.
- Sun 3x2 Adapter, 501-1269, Option 160A, is connected to J2 Rows A and C.
There is no external connector.
- Sun 3x2 Adapter, 501-1191, Option 160B, is not connected to J2 Rows A and
C. There is no external connector.
- Sun 3x2 Adapter, 501-1220, has no connection to J2 Rows A and C and has an
external 50-pin connector.
- 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.
- 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.
- 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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