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

[Image]

                         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