
SOYO TECHNOLOGY COMPANY, INC.

SY-05TA2/A5

Processor           Pentium
Processor Speed     75/90/100/120/133/150MHz
Chip Set            Unidentified
Max. Onboard DRAM   128MB
Cache               256/512KB
BIOS                Award
Dimensions          330mm x 218mm
I/O Options         32-bit PCI slots (4), floppy drive interface, IDE
                    interface, parallel port, serial ports (2)
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  Serial port 1              CN1        Speaker                  J18

  Serial port 2              CN2        Reset switch             J19

  Floppy drive               CN3        Turbo switch             J21
  interface

  Parallel port              CN4        Turbo LED                J22

  IDE interface              CN5        IDE interface LED        JP16
  (secondary)

  IDE interface              CN6        32-bit PCI slots      PCI1 - PCI4
  (primary)

  Power LED & keylock        J17

  Note: The location of J21 is unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              J3              N/A
      alter

     Monitor type select color               JP3             Closed

      Monitor type select monochrome          JP3              Open

     Factory configured - do not             JP13            Closed
      alter

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

     Factory configured - do not             JP15             N/A
      alter

     Factory configured - do not             JP21             N/A
      alter

     Factory configured - do not             JP22             Open
      alter

     Pipeline mode disabled                  JP30             Open

      Pipeline mode enabled                   JP30            Closed

     CPU cache type select write back        JP31             Open

      CPU cache type select write             JP31            Closed
      through

     CMOS memory normal operation            JP32             Open

      CMOS memory clear                       JP32            Closed

  Note: The location of J3 is unidentified.

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       4MB        (2) 256K x 36    (2) 256K x 36

       4MB        (2) 512K x 36         NONE

       6MB        (2) 256K x 36    (2) 512K x 36

       6MB        (2) 512K x 36    (2) 256K x 36

       8MB        (2) 512K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

      10MB        (2) 256K x 36     (2) 1M x 36

      10MB         (2) 1M x 36     (2) 256K x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      12MB         (2) 1M x 36     (2) 512K x 36

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

      16MB         (2) 2M x 36          NONE

      18MB        (2) 256K x 36     (2) 2M x 36

      18MB         (2) 2M x 36     (2) 256K x 36

      20MB        (2) 512K x 36     (2) 2M x 36

      20MB         (2) 2M x 36     (2) 512K x 36

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

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

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

      32MB         (2) 4M x 36          NONE

      34MB        (2) 256K x 36     (2) 4M x 36

      34MB         (2) 4M x 36     (2) 256K x 36

      36MB        (2) 512K x 36     (2) 4M x 36

      36MB         (2) 4M x 36     (2) 512K x 36

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

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

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

            DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1

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

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

      64MB         (2) 8M x 36          NONE

      66MB        (2) 256K x 36     (2) 8M x 36

      66MB         (2) 8M x 36     (2) 256K x 36

      68MB        (2) 512K x 36     (2) 8M x 36

      68MB         (2) 8M x 36     (2) 512K x 36

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

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

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

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

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

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     256KB       (8) 32K x 8   (1) 8K x 8

     512KB       (8) 64K x 8   (1) 16K x 8

                        CACHE JUMPER CONFIGURATION

      Size              JP12               JP27               JP28

      256KB           pins 1 & 2        pins 1 & 2      pins 1 & 2 closed
                       closed             closed

      512KB           pins 2 & 3        pins 2 & 3      pins 2 & 3 closed
                       closed             closed

       CACHE VOLTAGE CONFIGURATION

   Voltage         JP1          JP2

    3.33v         Open         Closed

  Mixed SRAM     Closed         Open

   CPU SPEED CONFIGURATION

  Speed      JP18      JP19

  75MHz      Open      Open

  90MHz      Open      Open

  90MHz     Closed     Open

  100MHz     Open      Open

  100MHz    Closed    Closed

  120MHz    Closed     Open

  133Mhz    Closed    Closed

  150MHz    Closed     Open

           CPU SPEED CONFIGURATION

         Speed                  JP17

         75MHz           pins 1 & 2 closed

        125MHz           pins 1 & 2 closed

  Other Pentium CPUs    pins 2 & 3 closed

  CPU BUS RATIO CONFIGURATION

     Ratio            JP29

      2/1            Closed

      3/2             Open

      5/2             Open

                         CPU VOLTAGE CONFIGURATION

       Voltage               J23              J24               J25

          3.33v             Open             Open            Closed

        3.45 - 3.6v         Closed            Open             Open

                      HDD CONFIGURATION

        Mode                 JP10                 JP11

         PIO           pins 2 & 3 closed   pins 2 & 3 closed

         DMA           pins 1 & 2 closed   pins 1 & 2 closed

                           DMA/DRQ CONFIGURATION

    Select       JP4       JP5       JP23      JP24      JP25      JP26

     None        Open      Open      Open      Open      Open      Open

  DRQ0/DACK0     Open      Open      Open      Open     Closed    Closed

  DRQ3/DACK3    Closed     Open     Closed     Open      Open      Open

  DRQ7/DACK7     Open     Closed     Open     Closed     Open      Open

                           PCI/IRQ CONFIGURATION

     Select           JP6            JP7           JP8           JP9

   IRQ10/INTA         Open          Open          Open        pins 1 & 2
                                                                closed

   IRQ10/INTB         Open          Open          Open        pins 2 & 3
                                                                closed

   IRQ10/INTC      pins 1 & 2       Open          Open           Open
                     closed

   IRQ10/INTD      pins 2 & 3       Open          Open           Open
                     closed

   IRQ11/INTA         Open          Open        pins 1 & 2       Open
                                                 closed

   IRQ11/INTB         Open          Open        pins 2 & 3       Open
                                                 closed

   IRQ11/INTC         Open        pins 1 & 2      Open           Open
                                   closed

   IRQ11/INTD         Open        pins 2 & 3      Open           Open
                                   closed

                      BIOS CONFIGURATION

        Type                 JP33                 JP34

        EPROM          pins 1 & 2 closed   pins 2 & 3 closed

        FLASH          pins 2 & 3 closed   pins 1 & 2 closed

