WYSE TECHNOLOGY, INC.

WY-994

Data bus: 16-bit, PC/AT

Size: Half-length, full-height card

Hard drives supported: Two IDE Interface (AT) drives

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

[Image]

                                CONNECTIONS

                     Function                             Location

  25-pins parallel port (LPT1/2) external                    CN1

  9-pin serial port 1 (COM1/3)-external                      CN2

  9-pin serial port 2 (COM2/4) internal                      CN3

  34-pin data cable connector-floppy drive                   J1

  40-pin IDE Interface (AT) control cable                    J5
  connector-hard drive

  4-pin connector-drive active LED                           J6

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Factory configured - do not             W1               open
      alter

  »   Factory configured - do not             W2               open
      alter

  »   Hard drive enabled                      W3             pins 1 & 2
                                                               open

      Hard drive disabled                     W3             pins 1 & 2
                                                              closed

  »   Factory configured - do not             W3             pins 3 & 4
      alter                                                    open

  »   Floppy drive interrupt request          W4             pins 1 & 2
      is IRQ6                                                  open

      Floppy drive interrupt request          W4             pins 1 & 2
      is disabled                                             closed

  »   Floppy drive port address is            W4             pins 3 & 4
      3F0-3F7h                                                closed

      Floppy drive port address is            W4             pins 3 & 4
      370-3F7h                                                 open

                        PARALLEL PORT CONFIGURATION

           LPT             W5/1 & 2    W5/3 & 4    W6/3 & 4     W6/1 & 2

  »   LPT1 (378-37Fh)        open       closed      closed        open
      on IRQ7

      LPT2 (278-27Fh)        open        open        open        closed
      on IRQ5

      Disabled              closed       N/A          N/A         N/A

                      SERIAL PORT CONFIGURATION - W5

  Port 1 (CN2)  Port 2 (CN3)   pins 5 &   pins 7 &   pins 9 &    pins 11
                                  6          8          10         &12

      COM1          COM2         open      closed      open      closed
   3F8-3FFh       2F8-2FFh

      COM1          COM4         open       open      closed      open
   3F8-3FFh       2E8-2EFh

      COM3          COM2        closed      open       open      closed
   3E8-3EFh       2F8-2FFh

      COM3          COM4        closed      open      closed      open
   3E8-3EFh       2E8-2EFh

   Disabled       Disabled      closed     closed     closed     closed

                     COM PORTS INTERRUPT REQUEST - W6

         IRQ           pins 5 & 6    pins 7 & 8   pins 5 & 7   pins 6 & 8

  »   COM1 or COM3        open        closed        open          open
      IRQ4

      COM1 or COM3        open         open         open         closed
      IRQ3

  »   COM2 or COM4       closed        open         open          open
      IRQ3

      COM2 or COM4        open         open        closed         open
      IRQ4

      Disabled           closed       closed       closed        closed