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

   PM3011A/50, PM3011A/60 VER.2

   Data bus:                16-bit ISA                            
   Size:                    Full-length, full-height card         
   Hard drives supported:   PM3011/50:Two ST506/412 MFM drives    
                                                                  
                            PM3011/60:Two ST506/412 RLL drives    
   Floppy drives supported: Optional on daughtercard              
   Sector Interleave:       Automatic                             

<gopher://bitreich.org/I/th99/c/C-D/20089-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                  |    Location    |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 1       |       J3       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 0       |       J4       |
   |-------------------------------------------+----------------|
   | 34-pin control cable connector-hard drive |       J5       |
   |-------------------------------------------+----------------|
   | 4-pin connector-drive active LED          |       J6       |
   |-------------------------------------------+----------------|
   | Floppy Drive daughter board connector     |       J7       |
   |-------------------------------------------+----------------|
   | Memory expansion board cable connector    |       J8       |
   |-------------------------------------------+----------------|
   | Floppy Drive daughter board connector     |      J10       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                HARD DRIVE INTERRUPT REQUEST                |
   |------------------------------------------------------------|
   |       IRQ       |      Y9      |     Y10     |     Y11     |
   |-----------------+--------------+-------------+-------------|
   |>> |    IRQ14    |    closed    |    open     |    open     |
   |---+-------------+--------------+-------------+-------------|
   |   |    IRQ5     |     open     |    open     |   closed    |
   |---+-------------+--------------+-------------+-------------|
   |   |    IRQ7     |     open     |   closed    |    open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   SCSI INTERRUPT REQUEST                   |
   |------------------------------------------------------------|
   |         IRQ         |    Jumper Y12     |    Jumper Y13    |
   |---------------------+-------------------+------------------|
   |>> |    Disabled     |       open        |       open       |
   |---+-----------------+-------------------+------------------|
   |   |        5        |      closed       |       open       |
   |---+-----------------+-------------------+------------------|
   |   |        7        |       open        |      closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               |  Location  | Setting |
   |-------------------------------------+------------+---------|
   |>> | Not used                        | Y1, Y2, Y3 |  open   |
   |---+---------------------------------+------------+---------|
   |>> | Floppy drive port address       |     Y5     |  open   |
   |   | 3F0-3F7h                        |            |         |
   |---+---------------------------------+------------+---------|
   |   | Floppy drive port address       |     Y5     | closed  |
   |   | 370-377h                        |            |         |
   |---+---------------------------------+------------+---------|
   |>> | SCSI address disabled           |     Y6     |  open   |
   |---+---------------------------------+------------+---------|
   |   | SCSI address enabled            |     Y6     | closed  |
   |---+---------------------------------+------------+---------|
   |>> | BIOS disabled                   |     Y7     |  open   |
   |---+---------------------------------+------------+---------|
   |   | BIOS enabled                    |     Y7     | closed  |
   |---+---------------------------------+------------+---------|
   |>> | Factory configured - do not     |     Y8     |  open   |
   |   | alter                           |            |         |
   |---+---------------------------------+------------+---------|
   |>> | Hard drive port address         |    Y18     |  open   |
   |   | 1F0-1F7h                        |            |         |
   |---+---------------------------------+------------+---------|
   |   | Hard drive port address         |    Y18     | closed  |
   |   | 170-177h                        |            |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      SCSI DMA CHANNEL                      |
   |------------------------------------------------------------|
   |      DRQ       |   Y14    |   Y15    |   Y16    |   Y17    |
   |----------------+----------+----------+----------+----------|
   |>> |  Disabled  |   open   |   open   |   open   |   open   |
   |---+------------+----------+----------+----------+----------|
   |   |    DRQ1    |  closed  |   open   |  closed  |   open   |
   |---+------------+----------+----------+----------+----------|
   |   |    DRQ3    |   open   |  closed  |   open   |  closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      SCSI I/O ADDRESS                      |
   |------------------------------------------------------------|
   |     Address      |     Jumper Y19     |     Jumper Y20     |
   |------------------+--------------------+--------------------|
   |      CB00h       |        open        |        open        |
   |------------------+--------------------+--------------------|
   |      DB00h       |       closed       |        open        |
   |------------------+--------------------+--------------------|
   |      EB00h       |        open        |       closed       |
   |------------------+--------------------+--------------------|
   |      F100h       |       closed       |       closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      LED INFORMATION                       |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | Disk controller busy                        |    LED-1     |
   |---------------------------------------------+--------------|
   | PC/AT transfer to hard disk controller      |    LED-2     |
   |---------------------------------------------+--------------|
   | PC/AT transfer from hard disk controller    |    LED-3     |
   |---------------------------------------------+--------------|
   | Cache hit                                   |    LED-4     |
   |---------------------------------------------+--------------|
   | Controller look-ahead active                |    LED-5     |
   |---------------------------------------------+--------------|
   | Hard disk transfer to controller            |    LED-6     |
   |---------------------------------------------+--------------|
   | Hard disk transfer from controller          |    LED-7     |
   |---------------------------------------------+--------------|
   | PC/AT reset to controller                   |    LED-8     |
   |---------------------------------------------+--------------|
   | Hard disk interrupt to PC/AT                |    LED-9     |
   |---------------------------------------------+--------------|
   | DRQ                                         |    LED-10    |
   +------------------------------------------------------------+