
ABIT COMPUTER CORPORATION

AB-AX5

Processor         CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor Speed   100/120/133/150/166/180/200/233/266/300MHz
Chip Set          Intel
Video Chip Set    None
Maximum Onboard   256MB (EDO supported)
Memory
Maximum Video     1MB
Memory
Cache             512KB
BIOS              Award
Dimensions        254mm x 218mm
I/O Options       32-bit PCI slots (4), floppy drive interface, green PC
                  connector, IDE interfaces (2), parallel port, PS/2 mouse
                  port, serial ports (2), IR connector, USB connectors (2),
                  ATX power connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         CPU fan power            FAN1
  connector

  Parallel port            CN1         IR connector             IR1

  Serial port 2            CN2         32-bit PCI slots      PC1 - PC4

  Serial port 1            CN3         Power LED &         PN1/pins 1 - 5
                                       keylock

  USB connector            CN4         IDE interface LED   PN1/pins 7 & 8

  USB connector            CN5         Soft off power       PN1/pins 10 &
                                       supply                    11

  PS/2 mouse port          CN6         Green PC connector   PN1/pins 13 &
                                                                 14

  Floppy drive             CN7         Reset switch        PN2/pins 1 & 2
  interface

  IDE interface 2          CN8         Speaker             PN2/pins 4 - 7

  IDE interface 1          CN9         Green PC LED         PN2/pins 9 &
                                                                 10

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            CMOS          Pins 1 & 2
                                                              closed

      CMOS memory clear                       CMOS          Pins 2 & 3
                                                              closed

  Note: The location of CMOS is unidentified.

              SIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

      16MB        (2) 1M x 36    (2) 1M x 36

      24MB        (2) 2M x 36    (2) 1M x 36

      32MB        (2) 4M x 36        None

      32MB        (2) 2M x 36    (2) 2M x 36

      40MB        (2) 4M x 36    (2) 1M x 36

      48MB        (2) 4M x 36    (2) 2M x 36

      64MB        (2) 8M x 36        None

      64MB        (2) 4M x 36    (2) 4M x 36

      72MB        (2) 8M x 36    (2) 1M x 36

      80MB        (2) 8M x 36    (2) 2M x 36

      96MB        (2) 8M x 36    (2) 4M x 36

     128MB        (2) 8M x 36    (2) 8M x 36

     128MB        (2) 16M x 36       None

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

                      DIMM CONFIGURATION

      Size          Bank 2          Bank 3          Bank 4

      8MB         (1) 1M x 64        None            None

      16MB        (1) 2M x 64        None            None

      16MB        (1) 1M x 64     (1) 1M x 64        None

      24MB        (1) 2M x 64     (1) 1M x 64        None

      24MB        (1) 1M x 64     (1) 1M x 64    (1) 1M x 64

      32MB        (1) 4M x 64        None            None

      32MB        (1) 2M x 64     (1) 2M x 64        None

      40MB        (1) 4M x 64     (1) 1M x 64        None

      48MB        (1) 4M x 64     (1) 2M x 64        None

      48MB        (1) 2M x 64     (1) 2M x 64    (1) 2M x 64

      64MB        (1) 8M x 64        None            None

      64MB        (1) 4M x 64     (1) 4M x 64        None

      72MB        (1) 8M x 64     (1) 1M x 64        None

      80MB        (1) 8M x 64     (1) 2M x 64        None

      96MB        (1) 8M x 64     (1) 4M x 64        None

      96MB        (1) 4M x 64     (1) 4M x 64    (1) 4M x 64

     128MB       (1) 16M x 64        None            None

     128MB        (1) 8M x 64     (1) 8M x 64        None

     136MB       (1) 16M x 64     (1) 1M x 64        None

     144MB       (1) 16M x 64     (1) 2M x 64        None

     160MB       (1) 16M x 64     (1) 4M x 64        None

     192MB       (1) 16M x 64     (1) 8M x 64        None

     192MB        (1) 8M x 64     (1) 8M x 64    (1) 8M x 64

     256MB       (1) 16M x 64    (1) 16M x 64        None

            Note: Board accepts EDO memory.

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (2) 64K x 32

