
UNIDENTIFIED

SUN-5234

  Data bus:                  16-bit, ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Two IDE (AT) Interface drives

                             Up to seven SCSI devices

  Floppy drives supported:   Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                              CONNECTIONS

                    Function                           Location

  34-pin control cable connector - floppy drive           J1

  40-pin IDE(AT) Interface connector                      J4

  2-pin connector - Drive active LED (IDE)                J5

  50-pin SCSI connector - internal                        J8

  50-pin SCSI connector - external                        J9

  2-pin connector - Drive active LED (SCSI)               J12

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

     Floppy drive enabled               J3/Jumper F           open

      Floppy drive disabled              J3/Jumper F          closed

     Hard drive enabled                 J3/Jumper H           open

      Hard drive disabled                J3/Jumper H          closed

     Zero Wait State disabled               J10               open

      Zero Wait State enabled                J10              closed

                          INTERRUPT REQUST - J11

  IRQ    Jumper   Jumper    Jumper    Jumper   Jumper    Jumper    Jumper
           1        2         3         4        5         6         7

   3     closed    open     open      open      open     open      open

   5     open     closed    open      open      open     open      open

  10     open      open     closed    open      open     open      open

  11     open      open     open      closed    open     open      open

  12     open      open     open      open     closed    open      open

  14     open      open     open      open      open     closed    open

  15     open      open     open      open      open     open     closed

                             BIOS ADDRESS - J7

          Address                Jumper SW0              Jumper SW1

            CA00                   open                    open

             C800                  closed                  closed

             CE00                   open                   closed

             DE00                  closed                  closed

               MISCELLANEOUS TECHNICAL NOTES

  The functions of jumpers J2 and J6 are not documented.

