
SILICON STAR INTERNATIONAL, INC.

PH5 (REV. 1.1)

Processor        Pentium
Processor Speed  75/90/100/120/125/133/150/166/180MHz
Chip Set         SIS
Max. Onboard     128MB
DRAM
Cache            256/512KB
BIOS             Award
Dimensions       330mm x 218mm
I/O Options      32-bit PCI slots (4), floppy drive interface, green PC
                 connector, IDE interfaces (2), parallel port, PS/2 mouse
                 port, serial ports (2), VRM module connector, cache slot
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1             CN2        Speaker               J15 pins 7 -
                                                                 10

  Serial port 2             CN3        Turbo LED            J15 pins 12 &
                                                                 13

  Floppy drive              CN4        Turbo switch         J15 pins 16 -
  interface                                                      18

  Parallel port             CN5        Reset switch         J15 pins 19 &
                                                                 20

  IDE interface 2           CN6        IR connector              JP4

  IDE interface 1           CN7        Green PC connector        JP5

  PS/2 mouse port           J4         External battery         JP34

  VRM module                J12        Chassis fan power        JP37
  connector

  IDE interface LED         J14        32-bit PCI slots       PC1 - PC4

  Power LED &           J15 pins 1 -   Cache slot                SL1
  keylock                    5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     On board I/O enabled                    JP6              Open

      On board I/O disabled                   JP6             Closed

     BIOS type select 5v EPROM               JP18          pins 2 & 3
                                                              closed

      BIOS type select 12v flash              JP18          pins 1 & 2
                                                              closed

     Monitor type select color               JP30            Closed

      Monitor type select monochrome          JP30             Open

     CMOS memory normal operation            JP33          pins 1 & 2
                                                              closed

      CMOS memory clear                       JP33          pins 2 & 3
                                                              closed

     Factory configured - do not             JP41             Open
      alter

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 32         NONE

       2MB             NONE        (2) 256K x 32

       4MB        (2) 256K x 32    (2) 256K x 32

       8MB         (2) 1M x 32          NONE

       8MB             NONE         (2) 1M x 32

      10MB         (2) 1M x 32     (2) 256K x 32

      10MB        (2) 256K x 32     (2) 1M x 32

      16MB         (2) 2M x 32          NONE

      16MB         (2) 1M x 32      (2) 1M x 32

      16MB             NONE         (2) 2M x 32

      18MB         (2) 2M x 32     (2) 256K x 32

      18MB        (2) 256K x 32     (2) 2M x 32

      24MB         (2) 2M x 32      (2) 1M x 32

      24MB         (2) 1M x 32      (2) 2M x 32

      32MB         (2) 4M x 32          NONE

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

      32MB             NONE         (2) 4M x 32

      34MB         (2) 4M x 32     (2) 256K x 32

      34MB        (2) 256K x 32     (2) 4M x 32

            DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1

      40MB         (2) 4M x 32      (2) 1M x 32

      40MB         (2) 1M x 32      (2) 4M x 32

      48MB         (2) 4M x 32      (2) 2M x 32

      48MB         (2) 2M x 32      (2) 4M x 32

      64MB         (2) 8M x 32          NONE

      64MB         (2) 4M x 32      (2) 4M x 32

      64MB             NONE         (2) 8M x 32

      66MB         (2) 8M x 32     (2) 256K x 32

      66MB        (2) 256K x 32     (2) 8M x 32

      72MB         (2) 8M x 32      (2) 1M x 32

      72MB         (2) 1M x 32      (2) 8M x 32

      80MB         (2) 8M x 32      (2) 2M x 32

      80MB         (2) 2M x 32      (2) 8M x 32

      96MB         (2) 8M x 32      (2) 4M x 32

      96MB         (2) 4M x 32      (2) 8M x 32

      128MB        (2) 8M x 32      (2) 8M x 32

                            CACHE CONFIGURATION

      Size            Bank 0            TAG                  SL1

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

    256KB (B)          NONE             NONE              Installed

    512KB (A)      (8) 64K x 8     (1) 16K or (1)       Not installed
                                      32K x 8

    512KB (B)          NONE             NONE              Installed

  Note: If SL1 is used, remove all chips from Bank 0 & TAG.

                        CACHE JUMPER CONFIGURATION

      Size               Type                 JP2               JP3

   256KB (A)         Asynchronous          pins 1 & 2        pins 1 & 2
                                             closed           closed

   256KB (B)     Burst/pipeline burst      pins 1 & 2        pins 1 & 2
                                             closed           closed

   512KB (A)         Asynchronous          pins 1 & 2        pins 2 & 3
                                             closed           closed

   512KB (B)     Burst/pipeline burst      pins 2 & 3        pins 1 & 2
                                             closed           closed

                          CPU SPEED CONFIGURATION

         Speed                    JP15A                    JP15C

         75MHz              pins 3 & 4, 5 & 6              Open
                                 closed

         90MHz              pins 1 & 2, 5 & 6              Open
                                 closed

         100MHz           pins 1 & 2, 3 & 4, 5 &           Open
                                6 closed

         120MHz             pins 1 & 2, 5 & 6        pins 1 & 2 closed
                                 closed

         125MHz             pins 3 & 4, 5 & 6        pins 1 & 2, 3 & 4
                                 closed                   closed

         133MHz           pins 1 & 2, 3 & 4, 5 &     pins 1 & 2 closed
                                6 closed

         150MHz             pins 1 & 2, 5 & 6        pins 1 & 2, 3 & 4
                                 closed                   closed

         166MHz           pins 1 & 2, 3 & 4, 5 &     pins 1 & 2, 3 & 4
                                6 closed                  closed

         180MHz             pins 1 & 2, 5 & 6        pins 3 & 4 closed
                                 closed

        CPU VOLTAGE CONFIGURATION

       Voltage               JP29

        3.3v          pins 1 & 2 closed

        3.45v         pins 3 & 4 closed

        3.6v          pins 5 & 6 closed

                             VRM CONFIGURATION

               Setting                               JP12

              Installed                      VRM module installed

            Not installed              pins 7 & 9, 8 & 10, 11 & 13, 12 &
                                                   14 closed

