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

   PM2011/90, PM2011/95

   Data bus: 16-bit, ISA

   Size: Full-length, full-height card

   Hard drives supported:  Up to seven SCSI devices

   Floppy drives supported: PM2011/90: None

   PM2011/95: Two 360KB, 720KB, 1.2MB or 1.44MB drives

   Sector interleave:  1:1

<gopher://bitreich.org/I/th99/c/C-D/20085-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | Memory module connector                  |       CN1       |
   |------------------------------------------+-----------------|
   | Memory module connector                  |       CN2       |
   |------------------------------------------+-----------------|
   | Cache module connector                   |       CN3       |
   |------------------------------------------+-----------------|
   | Cache module connector                   |       CN4       |
   |------------------------------------------+-----------------|
   | Memory Expansion Board Cable Connector   |      CN4A       |
   |------------------------------------------+-----------------|
   | Disk mirroring module connector          |       CN5       |
   |------------------------------------------+-----------------|
   | 4-pin connector-drive active LED         |       CN6       |
   |------------------------------------------+-----------------|
   | Disk mirroring module connector          |       CN7       |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector-internal           |      CN10       |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector-external           |      CN11       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Address lines SA17-19 and      |   JP19   |   closed   |
   |   | LA17-19 are driven             |          |            |
   |---+--------------------------------+----------+------------|
   |   | Address lines LA17-19 only are |   JP19   |    open    |
   |   | driven                         |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive enabled           |   JP20   |    open    |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive disabled          |   JP20   |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | BIOS EPROM size is 256KB       |   JP23   | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | BIOS EPROM size is 512KB       |   JP23   | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Bus Mastering enabled          |   JP24   |    open    |
   |---+--------------------------------+----------+------------|
   |   | Bus Mastering disabled         |   JP24   |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Bus Master DMA speed is 4MB    |   JP27   |   closed   |
   |   | per second                     |          |            |
   |---+--------------------------------+----------+------------|
   |   | Bus Master DMA speed is 5MB    |   JP27   |    open    |
   |   | per second                     |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive port address is   |   JP34   |    open    |
   |   | 3F0-3F7h                       |          |            |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive port address is   |   JP34   |   closed   |
   |   | 3F0-3F7h                       |          |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        SCSI ADDRESS                        |
   |------------------------------------------------------------|
   |    SCSI I.D.    |     JP25     |    JP18     |    JP26     |
   |-----------------+--------------+-------------+-------------|
   |     |     0     |     open     |    open     |    open     |
   |-----+-----------+--------------+-------------+-------------|
   |     |     1     |    closed    |    open     |    open     |
   |-----+-----------+--------------+-------------+-------------|
   |     |     2     |     open     |   closed    |    open     |
   |-----+-----------+--------------+-------------+-------------|
   |     |     3     |    closed    |   closed    |    open     |
   |-----+-----------+--------------+-------------+-------------|
   |     |     4     |     open     |    open     |   closed    |
   |-----+-----------+--------------+-------------+-------------|
   |     |     5     |    closed    |    open     |   closed    |
   |-----+-----------+--------------+-------------+-------------|
   |     |     6     |     open     |   closed    |   closed    |
   |-----+-----------+--------------+-------------+-------------|
   |>>   |     7     |    closed    |   closed    |   closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   MEMCS16 SIGNAL STATUS                    |
   |------------------------------------------------------------|
   |                  Status                  |  JP21  |  JP28  |
   |------------------------------------------+--------+--------|
   |>> | MEMCS16 not used (16-bit memory      |  open  | closed |
   |   | address only)                        |        |        |
   |---+--------------------------------------+--------+--------|
   |   | MEMCS16 detected (8/16-bit memory    | closed |  open  |
   |   | addresses OK)                        |        |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |          IRQ           |      JP29       |      JP30       |
   |------------------------+-----------------+-----------------|
   |>> |       IRQ14        |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |       IRQ15        |     closed      |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |       IRQ12        |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      Disabled      |      open       |      open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        DMA CHANNEL                         |
   |------------------------------------------------------------|
   |          DRQ           |      JP31       |      JP32       |
   |------------------------+-----------------+-----------------|
   |>> |     DRQ/DACK5      |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |     DRQ/DACK6      |     closed      |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |     DRQ/DACK7      |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |     DRQ/DACK0      |      open       |      open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      I/O PORT ADDRESS                      |
   |------------------------------------------------------------|
   |        Address         |      JP33       |      JP35       |
   |------------------------+-----------------+-----------------|
   |>> |      1F0-1F8h      |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      170-178h      |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      330-338h      |     closed      |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |      230-238h      |      open       |      open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |        Address         |      JP36       |      JP37       |
   |------------------------+-----------------+-----------------|
   |>> |       C8000h       |     closed      |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |       D8000h       |     closed      |      open       |
   |---+--------------------+-----------------+-----------------|
   |   |       DC000h       |      open       |     closed      |
   |---+--------------------+-----------------+-----------------|
   |   |      Disabled      |      open       |      open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      LED INFORMATION                       |
   |------------------------------------------------------------|
   | Busy                                         |    LED1     |
   |----------------------------------------------+-------------|
   | Computer bus transfer to controller          |    LED2     |
   |----------------------------------------------+-------------|
   | Computer bus transfer from controller        |    LED3     |
   |----------------------------------------------+-------------|
   | Cache hit                                    |    LED4     |
   |----------------------------------------------+-------------|
   | Disk read-ahead active                       |    LED5     |
   |----------------------------------------------+-------------|
   | Disk read                                    |    LED6     |
   |----------------------------------------------+-------------|
   | Disk write                                   |    LED7     |
   |----------------------------------------------+-------------|
   | Controller reset                             |    LED8     |
   |----------------------------------------------+-------------|
   | Controller interrupt pending to computer     |    LED9     |
   |----------------------------------------------+-------------|
   | DRQ asserted to computer                     |    LED10    |
   +------------------------------------------------------------+