
ASUS COMPUTER INTERNATIONAL

SP98-N (REV. 1.02)

Device Type         Mainboard
Processor           CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM
                    6X86MX/

                    AM K5/AM K6/Pentium/Pentium MMX
Processor Speed     75/90/100/120/133/150/166/200/233MHz
Chip Set            SIS
Video Chip Set      None
Maximum Onboard     256MB (EDO & SDRAM supported)
Memory
Maximum Video       None
Memory
Cache               512KB
BIOS                Unidentified
Dimensions          254mm x 218mm
I/O Options         Ethernet 10BaseT connector, floppy drive interface,
                    game/MIDI port, parallel port, PS/2 mouse port, serial
                    ports (2), VGA feature connector, VGA port
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  CD-ROM connector            C1       Serial port 2              CN3

  Audio connector             C2       PS/2 mouse port            CN4

  Speaker                     C3       Ethernet 10BaseT           CN5
                                       connector

  VGA feature connector       C4       LAN LEDs                   CN6

  CPU fan power               C5       VGA port                   CN7

  Parallel port              CN1       Game/MIDI port             CN8

  Serial port 1              CN2

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

      PCI frequency select synchronous         FS3           Pins 1 & 2
                                                              closed

      PCI frequency select asynchronous        FS3           Pins 2 & 3
                                                              closed

     CMOS memory normal operation             RTC           Pins 1 & 2
                                                              closed

      CMOS memory clear                        RTC           Pins 2 & 3
                                                              closed

              DIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (1) 1M x 64        None

      16MB        (1) 2M x 64        None

      16MB        (1) 1M x 64    (1) 1M x 64

      24MB        (1) 2M x 64    (1) 1M x 64

      32MB        (1) 4M x 64        None

      32MB        (1) 2M x 64    (1) 2M x 64

      40MB        (1) 4M x 64    (1) 1M x 64

      48MB        (1) 4M x 64    (1) 2M x 64

      64MB        (1) 8M x 64        None

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

      72MB        (1) 8M x 64    (1) 1M x 64

      80MB        (1) 8M x 64    (1) 2M x 64

      96MB        (1) 8M x 64    (1) 4M x 64

     128MB        (1) 16M x 64       None

     128MB        (1) 8M x 64    (1) 8M x 64

     136MB        (1) 16M x 64   (1) 1M x 64

     144MB        (1) 16M x 64   (1) 2M x 64

     160MB        (1) 16M x 64   (1) 4M x 64

     192MB        (1) 16M x 64   (1) 8M x 64

     256MB        (1) 16M x 64   (1) 16M x 64

  Note: Board accepts SDRAM memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     512KB        (1) 64K x 64   Unidentified

                       CPU SPEED SELECTION (CX 6X86)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  166MHz    66MHz         2x        1 &    1 &   2 &    2 &    1 &    2 &
                                     2     2      3     3      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  166MHz    66MHz         2x        1 &    1 &   2 &    2 &    1 &    2 &
                                     2     2      3     3      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  166MHz    66MHz         2x        1 &    1 &   2 &    2 &    1 &    2 &
                                     2     2      3     3      2      3

  200MHz    75MHz         2x        1 &    1 &   2 &    1 &    2 &    1 &
                                     2     2      3     2      3      2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  166MHz    66MHz         2x        1 &    1 &   2 &    2 &    1 &    2 &
                                     2     2      3     3      2      3

  200MHz    75MHz         2x        1 &    1 &   2 &    1 &    2 &    1 &
                                     2     2      3     2      3      2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  166MHz    60MHz        2.5x       1 &    2 &   2 &    1 &    2 &    2 &
                                     2     3      3     2      3      3

  200MHz    66MHz        2.5x       1 &    2 &   2 &    2 &    1 &    2 &
                                     2     3      3     3      2      3

  233MHz    66MHz         3x        1 &    2 &   1 &    2 &    1 &    2 &
                                     2     3      2     3      2      3

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (IBM 6X86MX)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  166MHz    60MHz        2.5x       1 &    2 &   2 &    1 &    2 &    2 &
                                     2     3      3     2      3      3

  200MHz    66MHz        2.5x       1 &    2 &   2 &    2 &    1 &    2 &
                                     2     3      3     3      2      3

  233MHz    66MHz         3x        1 &    2 &   1 &    2 &    1 &    2 &
                                     2     3      2     3      2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  75MHz     50MHz        1.5x       1 &    1 &   1 &    2 &    2 &    2 &
                                     2     2      2     3      3      3

  90MHz     60MHz        1.5x       1 &    1 &   1 &    1 &    2 &    2 &
                                     2     2      2     2      3      3

  100MHz    66MHz        1.5x       1 &    1 &   1 &    2 &    1 &    2 &
                                     2     2      2     3      2      3

  120MHz    60MHz        1.5x       1 &    1 &   1 &    1 &    2 &    2 &
                                     2     2      2     2      3      3

  133MHz    66MHz        1.5x       1 &    1 &   1 &    2 &    1 &    2 &
                                     2     2      2     3      2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

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

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

  233MHz    66MHz        3.5x       1 &    1 &   1 &    2 &    1 &    2 &
                                     2     2      2     3      2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

  75MHz     50MHz        1.5x       1 &    1 &   1 &    2 &    2 &    2 &
                                     2     2      2     3      3      3

  90MHz     60MHz        1.5x       1 &    1 &   1 &    1 &    2 &    2 &
                                     2     2      2     2      3      3

  100MHz    66MHz        1.5x       1 &    1 &   1 &    2 &    1 &    2 &
                                     2     2      2     3      2      3

  120MHz    60MHz         2x        1 &    1 &   2 &    1 &    2 &    2 &
                                     2     2      3     2      3      3

  133MHz    66MHz         2x        1 &    1 &   2 &    2 &    1 &    2 &
                                     2     2      3     3      2      3

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU      Clock    Multiplier    BF0    BF1   BF2    FS0    FS1   FS2
  speed     speed

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

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

  233MHz    66MHz        3.5x       1 &    1 &   1 &    2 &    1 &    2 &
                                     2     2      2     3      2      3

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

    Voltage         VID0           VID1          VID2            VID3

     3.4v        Pins 2 & 3     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                   closed         closed        closed          closed

     3.5v        Pins 1 & 2     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                   closed         closed        closed          closed

                       CPU VOLTAGE SELECTION (DUAL)

    Voltage         VID0           VID1          VID2            VID3

     2.1v        Pins 1 & 2     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
                   closed         closed        closed          closed

     2.8v        Pins 2 & 3     Pins 2 & 3     Pins 2 & 3     Pins 1 & 2
                   closed         closed        closed          closed

     2.9v        Pins 1 & 2     Pins 2 & 3     Pins 2 & 3     Pins 1 & 2
                   closed         closed        closed          closed

     3.2v        Pins 2 & 3     Pins 2 & 3     Pins 1 & 2     Pins 1 & 2
                   closed         closed        closed          closed

     3.3v        Pins 1 & 2     Pins 2 & 3     Pins 1 & 2     Pins 1 & 2
                   closed         closed        closed          closed

                         ON BOARD VIDEO SELECTION

           Setting                     V1                     V2

            Enabled                  Open            Pins 2 & 4 closed

             Disabled                Closed           Pins 4 & 6 closed

