
ASUS COMPUTER INTERNATIONAL

P/I AP6N (REV. 1.0)

Device Type              Mainboard
Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Intel 440FX
Maximum Onboard Memory   384MB (EDO supported)
Cache                    256/512KB
BIOS                     Unidentified
Video Chip Set           ATI
Maximum Video Memory     4MB
Video Types Supported    VGA
I/O Options              Floppy drive interface, IDE interfaces (2),
                         parallel port, PS/2 mouse port, serial ports (2),
                         VGA port, AMC connector, wavetable connector, USB
                         connector, IR connector, audio connector, riser
                         slot, Audio in - CD-ROM

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  PS/2 mouse port         CN2         Volume control            CN13

  Serial port 1           CN3         Chassis fan power         CN14

  Serial port 2           CN4         Chassis fan power         CN15

  Parallel port           CN5         Chassis fan power         CN16

  VGA port                CN6         AMC connector             CN17

  Floppy drive            CN7         Audio connector           CN18
  interface

  IDE interface 1         CN8         USB connector             CN19

  IDE interface 2         CN9         AMC connector             CN20

  IDE interface           CN10        Audio in - CD-ROM         CN21
  LED                                 (Panasonic)

  Power LED &        CN11/pins 2,3    Audio in - CD-ROM         CN22
  Turbo LED                           (Sony)

  Green PC           CN11/pins 4,5    Audio in - CD-ROM         CN23
  connector                           (Mitsumi)

  Reset switch       CN11/pins 9,10   Wavetable connector       CN24

  Keylock               CN11/pins     ATX to AT power            JP2
                         14,15        connector

  Speaker               CN11/pins     Soft off power             JP3
                         17-20        supply

  IR connector            CN12        Riser slot                 SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation           RTCLR          Pins 2 & 3
                                                              closed

      CMOS memory clear                      RTLCR          Pins 1 & 2
                                                              closed

     Flash BIOS write protect disabled      BBLKW          Pins 1 & 2
                                                              closed

      Flash BIOS write protect enabled       BBLKW          Pins 2 & 3
                                                              closed

     Onboard audio enabled                  AUDIO          Pins 1 & 2
                                                              closed

      Onboard audio disabled                 AUDIO          Pins 2 & 3
                                                              closed

                    DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (2)1MB x 36        None          None

     16MB       (2)1MB x 36    (2)1MB x 36       None

     16MB       (2)2MB x 36        None          None

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

     24MB       (2)2MB x 36    (2)1MB x 36       None

     32MB       (2)2MB x 36    (2)2MB x 36       None

     32MB       (2)4MB x 36        None          None

     40MB       (2)4MB x 36    (2)1MB x 36       None

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

     48MB       (2)2MB x 36    (2)2MB x 36    (2)2MB x 36

     48MB       (2)4MB x 36    (2)2MB x 36       None

     56MB       (2)4MB x 36    (2)2MB x 36    (2)1MB x 36

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

     64MB       (2)4MB x 36    (2)4MB x 36       None

     64MB       (2)8MB x 36        None          None

     72MB       (2)8MB x 36    (2)1MB x 36       None

     72MB       (2)4MB x 36    (2)4MB x 36    (2)1MB x 36

                  DRAM CONFIGURATION (CONT.)

      Size          Bank 0          Bank 1          Bank 2

      80MB        (2)8MB x 36     (2)2MB x 36        None

      80MB        (2)4MB x 36     (2)4MB x 36    (2)2MB x 36

      88MB        (2)8MB x 36     (2)2MB x 36    (2)1MB x 36

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

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

      96MB        (2)8MB x 36     (2)4MB x 36        None

     104MB        (2)8MB x 36     (2)4MB x 36    (2)1MB x 36

     112MB        (2)8MB x 36     (2)4MB x 36    (2)2MB x 36

     128MB        (2)8MB x 36     (2)4MB x 36    (2)4MB x 36

     128MB        (2)8MB x 36     (2)8MB x 36        None

     128MB       (2)16MB x 36        None            None

     136MB        (2)8MB x 36     (2)8MB x 36    (2)1MB x 36

     144MB       (2)16MB x 36     (2)4MB x 36        None

     144MB        (2)8MB x 36     (2)8MB x 36    (2)2MB x 36

     152MB       (2)16MB x 36     (2)4MB x 36    (1)1MB x 36

     160MB       (2)16MB x 36     (2)4MB x 36    (1)2MB x 36

     160MB        (2)8MB x 36     (2)8MB x 36    (2)4MB x 36

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

     192MB       (2)16MB x 36     (2)8MB x 36        None

     200MB       (2)16MB x 36     (2)8MB x 36    (2)1MB x 36

     208MB       (2)16MB x 36     (2)8MB x 36    (2)2MB x 36

     224MB       (2)16MB x 36     (2)8MB x 36    (2)4MB x 36

     256MB       (2)16MB x 36     (2)8MB x 36    (2)8MB x 36

     256MB       (2)16MB x 36    (2)16MB x 36        None

     264MB       (2)16MB x 36    (2)16MB x 36    (2)1MB x 36

     272MB       (2)16MB x 36    (2)16MB x 36    (2)2MB x 36

     288MB       (2)16MB x 36    (2)16MB x 36    (2)4MB x 36

     320MB       (2)16MB x 36    (2)16MB x 36    (2)8MB x 36

     384MB       (2)16MB x 36    (2)16MB x 36    (2)16MB x 36

      VIDEO MEMORY CONFIGURATION

  Size      Bank 0         Bank 1

  2MB      (4) 512KB        None

  4MB      (4) 512KB      (4) 512KB

                             CPU SPEED SELECTION

  Speed    Clock   Multiplier   FS0   FS1    BF0      BF1      BF2      BF3
           Speed

  150MHz   60MHz      2.5x      1 &   2 &    Open    Closed   Closed   Closed
                                 2     3

  166MHz   66MHz      2.5x      2 &   1 &    Open    Closed   Closed   Closed
                                 3     2

  180MHz   60MHz       3x       1 &   2 &   Closed   Open     Closed   Closed
                                 2     3

  200MHz   66MHz       3x       2 &   1 &   Closed   Open     Closed   Closed
                                 3     2

  Note : Numbers designate pins that should be closed.

                       CPU VOLTAGE SELECTION

  Voltage       VID0          VID1          VID2          VID3

   Auto         Open          Open          Open          Open

   2.1V        Closed         Open          Open          Open

   2.2V         Open         Closed         Open          Open

   2.3V        Closed        Closed         Open          Open

   2.4V         Open          Open         Closed         Open

   2.5V        Closed         Open         Closed         Open

   2.6V         Open         Closed        Closed         Open

   2.7V        Closed        Closed        Closed         Open

   2.8V         Open          Open          Open         Closed

   2.9V        Closed         Open          Open         Closed

   3.0V         Open         Closed         Open         Closed

   3.1V        Closed        Closed         Open         Closed

   3.2V         Open          Open         Closed        Closed

   3.3V        Closed         Open         Closed        Closed

   3.4V         Open         Closed        Closed        Closed

   3.5V        Closed        Closed        Closed        Closed

