NCR CORPORATION

16-08-01

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two IDE (AT) Interface drives

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

[Image]

                          CONNECTIONS

                    Function                       Location

  34-pin control cable connector-floppy drive         CN1

  40-pin IDE (AT) Interface connector-internal        CN5

  4-pin connector-drive active LED                    CN6

  26-pin dual serial port connector-internal          CN8

  25-pin parallel port (LPT1/2)-external             CN14

  15-pin VGA connector-external                      CN401

              DUAL SERIAL PORT CONNECTOR (CN8) PIN ASSIGNMENT

     Serial Port 1          Serial Port 2                Signal

          15                     23             Carrier Detect (CD)

           5                      6             Receive Data (RxD)

           3                      2             Transmit Data (TxD)

          14                     10             Data Terminal Ready (DTR)

          13                     21             Signal Ground

          11                      4             Data Set Ready (DSR)

           7                     12             Request To Send (RTS)

           9                     25             Clear To Send (CTS)

          18                      8             Ring Indicator (RI)

          22                     22             Keyed

                        USER CONFIGURABLE SETTINGS

               Function                      Location          Setting

  »   IRQ14 cleared after read block          JP201          1 & 2 closed
      (SW1/switch 8 must be on)

      IRQ14 does not clear after              JP201          2 & 3 closed
      read block

  »   Floppy drive controller              SW1/switch 1           on
      enabled

      Floppy drive controller              SW1/switch 1          off
      disabled

  »   Hard drive port address is           SW1/switch 2          off
      1F0-1F7h

      Hard drive port address is           SW1/switch 2           on
      170-177h

  »   Parallel Port enabled                SW1/switch 3          off

      Parallel Port disabled               SW1/switch 3           on

  »   Parallel Port (CN14) is LPT1         SW1/switch 4          off
      (378h)

      Parallel Port (CN14) is LPT1         SW1/switch 4           on
      (278h)

  »   Serial Port 1 set to COM1            SW1/switch 5          off
      (3F8h)

      Serial Port disabled                 SW1/switch 5           on

  »   Serial Port 2 set to COM2            SW1/switch 6          off
      (2F8h)

      Serial Port disabled                 SW1/switch 6           on

  »   Interface Pin 34 Not used            SW1/switch 7          off

      Ground (GND) enabled on              SW1/switch 7           on
      Interface pin 34

  »   Hard drive controller enabled        SW1/switch 8          off

      Hard drive controller disabled       SW1/switch 8           on

  »   Factory configured - do not         SW401/switch 1          on
      alter

  »   Factory configured - do not         SW401/switch 2          on
      alter

  »   AT BIOS compatible                  SW401/switch 3          on

      PS/2 BIOS compatible                SW401/switch 3         off

  »   Standard VGA mode                   SW401/switch 4          on

      Multisync VGA mode                  SW401/switch 4         off

  »   VGA controller enabled              SW401/switch 5          on

      VGA controller disabled             SW401/switch 5         off

  »   Standard Interrupt Handling         SW401/switch 6         off

      Special Application Interrupt       SW401/switch 6          on