(TXT) View Source
# DISTRIBUTED PROCESSING TECHNOLOGY
PM2124, PM2124W, PM2124-MAC, PM2124W-MAC
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit PCI |
|---------------+--------------------------------------------|
| Size: | Three-quarter length, full-height card |
|---------------+--------------------------------------------|
| Hard drive | Up to seven SCSI-2 or Fast SCSI-2 devices |
| supported: | (PM2124/PM2124-MAC) |
| | |
| | Up to fifteen Wide SCSI-2 devices |
| | (PM2124W/PM2124W-MAC) |
|---------------+--------------------------------------------|
| Floppy drives | None |
| supported: | |
+------------------------------------------------------------+
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS (CM4000 CACHING MODULE) |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------------+-----------|
| Fault LED (red) | DS1 |
|------------------------------------------------+-----------|
| ECC enabled LED (green) | DS2 |
|------------------------------------------------+-----------|
| Proprietary CM4000 connector - caching board | J1 |
| to controller | |
|------------------------------------------------+-----------|
| Proprietary CM4000 connector - caching board | J2 |
| to controller | |
|------------------------------------------------------------|
| Note: Proprietary connectors J1 and J2 are on the reverse |
| side of the board. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTIONS (CONTROLLER) |
|------------------------------------------------------------|
| Function | Location |
|----------------------------------------------+-------------|
| 50/68-pin SCSI connector - external | J11 |
|----------------------------------------------+-------------|
| Proprietary CM4000 connector - controller to | P1 |
| caching board | |
|----------------------------------------------+-------------|
| Proprietary CM4000 connector - controller to | P2 |
| caching board | |
|----------------------------------------------+-------------|
| 3-pin connector - factory test LED | P4 |
|----------------------------------------------+-------------|
| 4-pin connector - drive active LED | P6 |
|----------------------------------------------+-------------|
| Proprietary DM4000 (disk array module) | P5 |
| connector | |
|----------------------------------------------+-------------|
| Proprietary DM4000 (disk array module) | P7 |
| connector | |
|----------------------------------------------+-------------|
| 50/68-pin SCSI connector - internal | P10 |
|----------------------------------------------+-------------|
| LED - adapter busy | LED1 |
|----------------------------------------------+-------------|
| LED - computer bus transfer to adapter | LED2 |
|----------------------------------------------+-------------|
| LED - computer bus transfer from adapter | LED3 |
|----------------------------------------------+-------------|
| LED - cache hit | LED4 |
|----------------------------------------------+-------------|
| LED - disk read/ahead active | LED5 |
|----------------------------------------------+-------------|
| LED - disk read | LED6 |
|----------------------------------------------+-------------|
| LED - disk write | LED7 |
|----------------------------------------------+-------------|
| LED - adapter reset | LED8 |
|----------------------------------------------+-------------|
| LED - interrupt to computer pending | LED9 |
|----------------------------------------------+-------------|
| LED - DRQ to computer asserted | LED10 |
|------------------------------------------------------------|
| Note: 50-pin ports are on models PM2124 and PM2124-MAC. |
| 68-pin ports are on the PM2124W and PM2124W-MAC. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHING MODULE DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 1MB | (1) 256K x | None | None | None |
| | 36 | | | |
|------+--------------+------------+------------+------------|
| 1MB | None | (1) 256K x | None | None |
| | | 36 | | |
|------+--------------+------------+------------+------------|
| 1MB | None | None | (1) 256K x | None |
| | | | 36 | |
|------+--------------+------------+------------+------------|
| 1MB | None | None | None | (1) 256K x |
| | | | | 36 |
|------+--------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONTINUED) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+---------------+-----------+-----------+-----------|
| 2MB | None | (1) 256K | (1) 256K | None |
| | | x 36 | x 36 | |
|--------+---------------+-----------+-----------+-----------|
| 2MB | None | None | (1) 256K | (1) 256K |
| | | | x 36 | x 36 |
|--------+---------------+-----------+-----------+-----------|
| 3MB | (1) 256K x 36 | (1) 256K | (1) 256K | None |
| | | x 36 | x 36 | |
|--------+---------------+-----------+-----------+-----------|
| 3MB | None | (1) 256K | (1) 256K | (1) 256K |
| | | x 36 | x 36 | x 36 |
|--------+---------------+-----------+-----------+-----------|
| 3MB | (1) 256K x 36 | None | (1) 256K | (1) 256K |
| | | | x 36 | x 36 |
|--------+---------------+-----------+-----------+-----------|
| 3MB | (1) 256K x 36 | (1) 256K | None | (1) 256K |
| | | x 36 | | x 36 |
|--------+---------------+-----------+-----------+-----------|
| 4MB | (1) 256K x 36 | (1) 256K | (1) 256K | (1) 256K |
| | | x 36 | x 36 | x 36 |
|--------+---------------+-----------+-----------+-----------|
| 4MB | (1) 1M x 36 | None | None | None |
|--------+---------------+-----------+-----------+-----------|
| 4MB | None | (1) 1M x | None | None |
| | | 36 | | |
|--------+---------------+-----------+-----------+-----------|
| 4MB | None | None | (1) 1M x | None |
| | | | 36 | |
|--------+---------------+-----------+-----------+-----------|
| 4MB | None | None | None | (1) 1M x |
| | | | | 36 |
|--------+---------------+-----------+-----------+-----------|
| 8MB | (1) 1M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|--------+---------------+-----------+-----------+-----------|
| 8MB | None | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|--------+---------------+-----------+-----------+-----------|
| 8MB | None | None | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|--------+---------------+-----------+-----------+-----------|
| 12MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|--------+---------------+-----------+-----------+-----------|
| 12MB | None | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|--------+---------------+-----------+-----------+-----------|
| 12MB | (1) 1M x 36 | None | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|--------+---------------+-----------+-----------+-----------|
| 12MB | (1) 1M x 36 | (1) 1M x | None | (1) 1M x |
| | | 36 | | 36 |
|--------+---------------+-----------+-----------+-----------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|--------+---------------+-----------+-----------+-----------|
| 16MB | (1) 4M x 36 | None | None | None |
|--------+---------------+-----------+-----------+-----------|
| 16MB | None | (1) 4M x | None | None |
| | | 36 | | |
|--------+---------------+-----------+-----------+-----------|
| 16MB | None | None | (1) 4M x | None |
| | | | 36 | |
|--------+---------------+-----------+-----------+-----------|
| 16MB | None | None | None | (1) 4M x |
| | | | | 36 |
|--------+---------------+-----------+-----------+-----------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|--------+---------------+-----------+-----------+-----------|
| 32MB | None | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|--------+---------------+-----------+-----------+-----------|
| 32MB | None | None | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|--------+---------------+-----------+-----------+-----------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|--------+---------------+-----------+-----------+-----------|
| 48MB | None | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|--------+---------------+-----------+-----------+-----------|
| 48MB | (1) 4M x 36 | None | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|--------+---------------+-----------+-----------+-----------|
| 48MB | (1) 4M x 36 | (1) 4M x | None | (1) 4M x |
| | | 36 | | 36 |
|--------+---------------+-----------+-----------+-----------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|------------------------------------------------------------|
| Notes: Although not shown above, 1MB, 4MB and 16MB SIMMs |
| can be combined and DPT ECC SIMMs |
| |
| can replace parity SIMMs of 4MB or 16MB. Single sided |
| SIMMs are preferred, but low-profile |
| |
| double sided 2MB and 8MB increments are supported. |
+------------------------------------------------------------+