DISTRIBUTED PROCESSING TECHNOLOGY

PM2012B/90

Data bus: 32-bit, EISA

Size: Full-length, full-height card

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: None

Sector interleave: 1:1

[Image]

                    CONNECTIONS

              Function                 Location

  Memory module connector                 CN1

  Memory module connector                 CN2

  Cache module connector                  CN3

  Cache module connector                  CN4

  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

  »   BIOS disabled                          JP7               open

      BIOS enabled                           JP7              closed

  »   BIOS address C800h                    JP19               open

      BIOS address D800h                    JP19              closed

                       LED INFORMATION

                  Function                       Location

  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

                       MISCELLANEOUS TECHNICAL NOTES

    There are only two user configurable jumpers on the PM2012B/90 (BIOS
                           address and enable),

    all other configurations are done through the software supplied with
                              the controller.