DISTRIBUTED PROCESSING TECHNOLOGY
=================================

   PM2044UW/PM2044W/PM2144UW/PM2144W
   PM2044UW-MAC/PM2044W-MAC/PM2144UW-MAC/PM2144W-MAC

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:     | 32-bit PCI                                 |
   |---------------+--------------------------------------------|
   | Size:         | Half length, full-height card              |
   |---------------+--------------------------------------------|
   | Hard drive    | Fifteen SCSI-Wide, or eight SCSI-Wide with |
   | supported:    | seven SCSI-2 Narrow SCSI-3 and Fast SCSI   |
   |               | devices also supported                     |
   |---------------+--------------------------------------------|
   | Floppy drives | Nones                                      |
   | supported:    |                                            |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/C-D/20944-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                   |  Location   |
   |----------------------------------------------+-------------|
   | 68-pin SCSI connector - internal             |     J10     |
   |----------------------------------------------+-------------|
   | 68-pin SCSI connector - external             |     J11     |
   |----------------------------------------------+-------------|
   | 50-pin SCSI connector internal               |     J12     |
   |----------------------------------------------+-------------|
   | RC4040 connector                             |     CN1     |
   |----------------------------------------------+-------------|
   | LED - ECC enabled (green)                    |     P4      |
   |----------------------------------------------+-------------|
   | LED - memory fault (red)                     |     P5      |
   |----------------------------------------------+-------------|
   | 4-pin connector - drive active LED           |     P6      |
   |----------------------------------------------+-------------|
   | LED - adapter busy                           |     DS1     |
   |----------------------------------------------+-------------|
   | LED - computer bus transfer to adapter       |     DS2     |
   |----------------------------------------------+-------------|
   | LED - computer bus transfer from adapter     |     DS3     |
   |----------------------------------------------+-------------|
   | LED - cache hit                              |     DS4     |
   |----------------------------------------------+-------------|
   | LED - disk read/ahead active                 |     DS5     |
   |----------------------------------------------+-------------|
   | LED - disk read                              |     DS6     |
   |----------------------------------------------+-------------|
   | LED - disk write                             |     DS7     |
   |----------------------------------------------+-------------|
   | LED - adapter reset                          |     DS8     |
   |----------------------------------------------+-------------|
   | LED - interrupt to computer pending          |     DS9     |
   |----------------------------------------------+-------------|
   | LED - DRQ to computer asserted               |    DS10     |
   |------------------------------------------------------------|
   | Note: Location of floppy drive interface connector P8 is   |
   | unidentified.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |            |            |
   |------+--------------+------------+------------+------------|
   | 2MB  |     None     | (1) 256K x | (1) 256K x |    None    |
   |      |              |     36     |     36     |            |
   |------+--------------+------------+------------+------------|
   | 2MB  |     None     |    None    | (1) 256K x | (1) 256K x |
   |      |              |            |     36     |     36     |
   |------+--------------+------------+------------+------------|
   | 3MB  |  (1) 256K x  | (1) 256K x | (1) 256K x |    None    |
   |      |      36      |     36     |     36     |            |
   |------+--------------+------------+------------+------------|
   | 3MB  |     None     | (1) 256K x | (1) 256K x | (1) 256K x |
   |      |              |     36     |     36     |     36     |
   |------+--------------+------------+------------+------------|
   | 3MB  |  (1) 256K x  |    None    | (1) 256K x | (1) 256K x |
   |      |      36      |            |     36     |     36     |
   |------+--------------+------------+------------+------------|
   | 3MB  |  (1) 256K x  | (1) 256K x |    None    | (1) 256K x |
   |      |      36      |     36     |            |     36     |
   |------+--------------+------------+------------+------------|
   | 4MB  |  (1) 256K x  | (1) 256K x | (1) 256K x | (1) 256K x |
   |      |      36      |     36     |     36     |     36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DRAM CONFIGURATION CONTINUED                |
   |------------------------------------------------------------|
   |  Size   |    Bank 0    |  Bank 1   |  Bank 2   |  Bank 3   |
   |---------+--------------+-----------+-----------+-----------|
   |   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 2M and 8MB increments are                            |
   |                                                            |
   | supported.                                                 |
   +------------------------------------------------------------+