
CHAINTECH COMPUTER COMPANY, LTD.

5SBA

Processor             Pentium
Processor Speed       75/90/100/120/133/150MHz
Chip Set              SIS
Maximum Onboard       128MB
Memory
Cache                 256/512/1024KB
BIOS                  Award
Dimensions            330mm x 220mm
I/O Options           32-bit PCI slots (3), floppy drive interface,
                      game/MIDI port, green PC connector, IDE interfaces
                      (2), parallel port, serial ports (2), VESA feature
                      connector, VRM connector, cache slot, MediaBus slot,
                      IR connector
NPU Options           None

[Image]

                                CONNECTIONS

        Function           Label            Function             Label

  VRM connector             CN1        Green PC LED               J18

  Floppy drive               J5        IDE interface LED          J20
  interface

  Parallel port              J6        Power LED & keylock        J21

  IR connector               J7        Speaker                    J22

  Digital volume             J8        Reset switch               J23
  control connector

  Serial port 2              J9        Turbo LED                  J24

  Serial port 1             J10        Turbo switch               J25

  Game/MIDI port            J11        Green PC connector        JP14

  IDE interface 1           J13        32-bit PCI slots        PC1 - PC3

  IDE interface 2           J14        Cache slot                 SL1

  VGA feature               J15        MediaBus connector         SL2
  connector

                        USER CONFIGURABLE SETTINGS

                 Setting                      Label          Position

     CMOS memory normal operation            JP17          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP17          Pins 2 & 3
                                                              closed

     Jumper information unavailable          JP23             N/A

                       DRAM

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         None

       2MB             None        (2) 512K x 36

       4MB        (2) 512K x 36         None

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

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

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

       8MB         (2) 1M x 36          None

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

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

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

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

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

      16MB         (2) 2M x 36          None

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

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

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

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

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

                   DRAM (CONT)

      Size            Bank 0           Bank 1

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

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

      32MB         (2) 4M x 36          None

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

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

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

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

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

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

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

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

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

      64MB         (2) 8M x 36          None

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

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

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

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

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

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

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

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

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

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

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

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

  Note: Board accepts EDO & FP memory.

                            CACHE SIZE

      Size            Bank 0            TAG              SL1

    256KB (A)      (8) 32K x 8       (1) 8K x 8     Not installed

    256KB (B)          None             None          Installed

    512KB (A)      (8) 64K x 8      (1) 32K x 8     Not installed

    512KB (B)          None             None          Installed

       1MB         (8) 128K x 8     (1) 32K x 8     Not installed

                         CACHE JUMPER

        Size                 JP15                 JP16

      256KB (A)        Pins 1 & 2 closed   Pins 1 & 2 closed

      512KB (A)        Pins 1 & 2 closed   Pins 2 & 3 closed

         1MB           Pins 2 & 3 closed   Pins 2 & 3 closed

                     CACHE VOLTAGE

          Setting                      JP27

       Mixed voltage         Pins 1 & 2, 3 & 4 closed

            3.3v             Pins 5 & 6, 7 & 8 closed

  Note: The location of pin 1 is unidentified.

                CACHE TYPE

       Setting               JP20

    Asynchronous      Pins 1 & 2 closed

   Pipeline burst     Pins 2 & 3 closed

                                 CPU SPEED

         Setting                   JP9                      JP26

          75MHz              Pins 1 & 2, 3 & 4       Pins 1 & 2 closed
                                  closed

      90MHz (3.3v)          Pins 3 & 4 closed        Pins 1 & 2 closed

      90MHz (3.4v)          Pins 3 & 4 closed        Pins 3 & 4 closed

      90MHz (3.5v)          Pins 3 & 4 closed        Pins 5 & 6 closed

         100MHz             Pins 3 & 4 closed        Pins 5 & 6 closed

         120MHz             Pins 3 & 4 closed        Pins 5 & 6 closed

         133MHz                    Open              Pins 5 & 6 closed

         150MHz             Pins 3 & 4 closed        Pins 5 & 6 closed

                        CPU MULTIPLIER

       Setting               JP24                 JP25

        1.5x           Pins 1 & 2 closed          Open

         2x            Pins 2 & 3 closed          Open

        2.5x           Pins 2 & 3 closed         Closed

         3x            Pins 1 & 2 closed         Closed

                                CPU VOLTAGE

                Setting                                CN1

                Normal CPU                 Pins 6 & 7, 21 & 22 closed

             High frequency CPU                   VRM installed

          ON BOARD VIDEO

  Setting       JP7        JP8

  Enabled     Closed      Closed

  Disabled     Open        Open

