
SOLTEK COMPUTER, INC.

SL-53A2, SL-53A5

Device Type       Mainboard
Processor         CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/ Pentium
                  MMX
Processor Speed   75/90/100/120/133/150/166/180/200/233MHz
Chip Set          Intel 430VX
Maximum Onboard   128MB DRAM (EDO supported)
Memory
Cache             256/512KB
BIOS              Award
I/O Options       32-bit PCI slots (4), floppy drive interface, IDE
                  interfaces (2), parallel port, PS/2 mouse port, serial
                  ports (2), USB connectors (2), green PC connector
Dimensions        250mm x 220mm

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse port            CN1       IR connector               J1B

  Parallel port              CN2       Green PC connector         J1C

  Floppy drive interface     CN3       Speaker                    J2A

  Serial port 1              CN4       Reset switch               J2B

  Serial port 2              CN5       Power LED & keylock        J2C

  IDE interface 1            CN6       Turbo LED                  J2D

  IDE interface 2            CN7       32-bit PCI slots         PC1 - PC4

  IDE interface LED          J1A       USB connector              USB

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS normal operation                   JP6           Pins 1 & 2
                                                              closed

      CMOS clear                              JP6           Pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP14          Pins 1 & 2
                                                              closed

     Factory configured - do not alter       JP19             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1MB x 36       None

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

      16MB        (2) 2MB x 36       None

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

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

      32MB        (2) 4MB x 36       None

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

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

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

      64MB        (2) 8MB x 36       None

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

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

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

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

                       CPU SPEED SELECTION (CX 6X86)

  Speed     Clock    Multiplier   JP2   JP3    JP11   JP12   JP21   JP22
           speed

  120MHz   50MHz        2x        1 &   1 &    2 &    1 &    1&2,    1&2,
                                   2     2      3      2     4&5     4&5

  133MHz   55MHz        2x        2 &   2 &    2 &    1 &    1&2,    1&2,
                                   3     3      3      2     4&5     4&5

  150MHz   60MHz        2x        1 &   2 &    2 &    1 &    1&2,    1&2,
                                   2     3      3      2     4&5     4&5

  166MHz   66MHz        2x        2 &   1 &    2 &    1 &    1&2,    1&2,
                                   3     2      3      2     4&5     4&5

  Note: Numbers designate pins that should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

  Speed     Clock    Multiplier   JP2   JP3   JP11    JP12   JP21   JP22
           speed

  120MHz   50MHz        2x        1 &   1 &    2 &    1 &    2&3,    2&3,
                                   2     2     3       2     5&6     5&6

  133MHz   55MHz        2x        2 &   2 &    2 &    1 &    2&3,    2&3,
                                   3     3     3       2     5&6     5&6

  150MHz   60MHz        2x        1 &   2 &    2 &    1 &    2&3,    2&3,
                                   2     3     3       2     5&6     5&6

  166MHz   66MHz        2x        2 &   1 &    2 &    1 &    2&3,    2&3,
                                   3     2     3       2     5&6     5&6

  Note: Numbers designate pins that should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

  Speed     Clock    Multiplier   JP2   JP3   JP11    JP12   JP21   JP22
           speed

  166MHz   60MHz       2.5x       2 &   1 &    2 &    2 &    2&3,    2&3,
                                   3     2     3       3     5&6     5&6

  200MHz   66MHz       2.5x       2 &   1 &    1 &    2 &    2&3,    2&3,
                                   3     2     2       3     5&6     5&6

  233MHz   66MHz        3x        2 &   1 &    2 &    1 &    2&3,    2&3,
                                   3     2     3       2     5&6     5&6

  Note: Numbers designate pins that should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

  Speed     Clock    Multiplier   JP2   JP3   JP11    JP12   JP21   JP22
           speed

  75MHz    50MHz       1.5x       1 &   1 &    1 &    1 &    1&2,    1&2,
                                   2     2     2       2     4&5     4&5

  90MHz    60MHz       1.5x       1 &   2 &    1 &    1 &    1&2,    1&2,
                                   2     3     2       2     4&5     4&5

  100MHz   66MHz       1.5x       2 &   1 &    1 &    1 &    1&2,    1&2,
                                   3     2     2       2     4&5     4&5

  120MHz   60MHz       1.5x       1 &   2 &    1 &    1 &    1&2,    1&2,
                                   2     3     2       2     4&5     4&5

  133MHz   66MHz       1.5x       2 &   1 &    1 &    1 &    1&2,    1&2,
                                   3     2     2       2     4&5     4&5

  150MHz   60MHz        2x        2 &   1 &    2 &    2 &    1&2,    1&2,
                                   3     2     3       3     4&5     4&5

  166MHz   66MHz       2.5x       1 &   2 &    2 &    2 &    1&2,    1&2,
                                   2     3     3       3     4&5     4&5

  Note: Numbers designate pins that should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

  Speed     Clock    Multiplier   JP2   JP3   JP11    JP12   JP21   JP22
           speed

  166MHz   66MHz       2.5x       2 &   1 &    2 &    2 &    2&3,    2&3,
                                   3     2     3       3     5&6     5&6

  200MHz   66MHz        3x        2 &   1 &    1 &    2 &    2&3,    2&3,
                                   3     2     2       3     5&6     5&6

  233MHz   66MHz       3.5x       2 &   1 &    1 &    1 &    2&3,    2&3,
                                   3     2     2       2     5&6     5&6

  Note: Numbers designate pins that should be in the closed position.

                       CPU SPEED SELECTION (PENTIUM)

  Speed     Clock    Multiplier   JP2   JP3   JP11    JP12   JP21   JP22
           speed

  75MHz    50MHz       1.5x       1 &   1 &    1 &    1 &    1&2,    1&2,
                                   2     2     2       2     4&5     4&5

  90MHz    60MHz       1.5x       1 &   2 &    1 &    1 &    1&2,    1&2,
                                   2     3     2       2     4&5     4&5

  100MHz   66MHz       1.5x       2 &   1 &    1 &    1 &    1&2,    1&2,
                                   3     2     2       2     4&5     4&5

  120MHz   60MHz        2x        1 &   2 &    2 &    1 &    1&2,    1&2,
                                   2     3     3       2     4&5     4&5

  133MHz   66MHz        2x        2 &   1 &    2 &    1 &    1&2,    1&2,
                                   3     2     3       2     4&5     4&5

  150MHz   60MHz       2.5x       1 &   2 &    2 &    2 &    1&2,    1&2,
                                   2     3     3       3     4&5     4&5

  166MHz   66MHz       2.5x       2 &   1 &    2 &    2 &    1&2,    1&2,
                                   3     2     3       3     4&5     4&5

  180MHz   60MHz        3x        1 &   2 &    1 &    2 &    1&2,    1&2,
                                   2     3     2       3     4&5     4&5

  200MHz   66MHz        3x        2 &   1 &    1 &    2 &    1&2,    1&2,
                                   3     2     2       3     4&5     4&5

  Note: Numbers designate pins that should be in the closed position.

                     CPU SPEED SELECTION (PENTIUM MMX)

  Speed     Clock    Multiplier   JP2   JP3   JP11    JP12   JP21   JP22
           speed

  166MHz   66MHz       2.5x       2 &   1 &    2 &    2 &    2&3,    2&3,
                                   3     2     3       3     5&6     5&6

  200MHz   60MHz        3x        2 &   1 &    1 &    2 &    2&3,    2&3,
                                   3     2     2       3     5&6     5&6

  233MHz   66MHz       3.5x       2 &   1 &    1 &    1 &    2&3,    2&3,
                                   3     2     2       2     5&6     5&6

  Note: Numbers designate pins that should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

         Voltage                   JP14                     JP23

            3.38v            Pins 2 & 3 closed       Pins 1 & 2 closed

           3.52v            Pins 1 & 2 closed       Pins 4 & 5 closed

                  CPU VOLTAGE SELECTION (DUAL)

  Voltage     V core           JP14                 JP23

   3.52v       2.8v      Pins 1 & 2 closed   Pins 5 & 6 closed

   3.52v       2.9v      Pins 1 & 2 closed   Pins 2 & 3 closed

