CMS ENHANCEMENTS, INC.

HCWD7VSE1/2

  Data bus:                  16-bit ISA

  Size:                      Three-quarter length, half-height card

  Hard drive supported:      Two ESDI ST506/412 drives

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

[Image]

                               CONNECTIONS

                    Function                             Location

  34-pin control cable connector - floppy drive             J1

  34-pin control cable connector - hard drive               J2

  20-pin data cable connector - drive 0                     J3

  20-pin data cable connector - drive 1                     J4

  4-pin connector - drive active LED                        J5

                        USER CONFIGURABLE SETTINGS

               Function                     Location          Setting

  »   Caching enabled                         W1/A              open

      Caching disabled                        W1/A             closed

  »   Four byte ECC mode enabled              W1/B              open

      Seven byte ECC mode enabled             W1/B             closed

  »   Disk address translation                W1/C              open
      enabled

      Disk address translation                W1/C             closed
      disabled

                   USER CONFIGURABLE SETTINGS(CONTINUED)

               Function                     Location          Setting

  »   Factory configured - do not             W1/D              open
      alter

  »   Sectors per track determined by         W1/E              open
      drive jumpers

      Sectors per track not                   W1/E             closed
      determined by drive jumpers

  »   Alternate hard drive sectors            W1/F              open
      disabled

      Alternate hard drive sectors            W1/F             closed
      enabled

  »   BIOS enabled                             W3               open

      BIOS disabled                            W3              closed

  »   Single speed floppy drive                W5               open
      interface enabled

      Dual speed floppy drive                  W5              closed
      interface enabled

  »   Floppy drive address 3F2h                W6               open
      select

      Floppy drive address 372h                W6              closed
      select

  »   Interrupt IRQ14 enabled                  W7            pins 1 & 2
                                                               closed

      Interrupt IRQ15 enabled                  W7            pins 2 & 3
                                                               closed

  »   Base memory address is CC000h            W8            pins 2 & 3
                                                               closed

      Base memory address is C8000h            W8            pins 1 & 2
                                                               closed

  »   Hard drive address is 1F0h              W12               open

      Hard drive address is 170h              W12              closed