NEC TECHNOLOGIES, INC.

ESDI DISK CONTROLLER BOARD

  Data bus:                  16-bit ISA

  Size:                      Three-quarter length, full-height card

  Hard drive supported:      Two ESDI drives

  Floppy drives supported:   None

[Image]

                            CONNECTIONS

                   Function                          Location

  4-pin connector - drive active LED                    J1

  20-pin data cable connector                           J2

  20-pin data cable connector                           J3

  34-pin cable control connector - hard drive           J4

                        USER CONFIGURABLE SETTINGS

               Function                     Location          Setting

  »   Cache enabled                           W1/A             open

      Cache disabled                          W1/A            closed

  »   4-byte ECC mode select                  W1/B             open

      7-byte ECC mode select                  W1/B            closed

  »   Translation enabled                     W1/C             open

      Translation disabled                    W1/C            closed

  »   Factory configured - do not             W1/D             open
      alter

  »   Physical mode select                    W1/E             open

      35 sector-per-track mode select         W1/E            closed

  »   Alternate sector disabled               W1/F             open

      Alternate sector enabled                W1/F            closed

  »   IRQ14 select                             W7            pins 1 & 2
                                                              closed

      IRQ15 select                             W7            pins 2 & 3
                                                              closed

  »   Primary address is 1FXh                 W12              open

      Secondary address is 17Xh               W12             closed