SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-539

Processor            Pentium
Processor Speed      75/90/100/120/133MHz
Chip Set             UMC
Max. Onboard DRAM    256MB
Cache                256/512/1024/2048KB
BIOS                 AMI
Dimensions           330mm x 218mm
I/O Options          32-bit PCI slots (4), floppy drive interface, IDE
                     interface (2), parallel port, PS/2 mouse interface,
                     serial ports (2)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  PS/2 mouse interface       CN2        IDE interface LED        JP10

  Serial port 1              CN4        EPMI connector           JP11

  Serial port 2              CN5        Power LED &              JP12
                                        keylock

  Floppy drive               CN6        Speaker                  JP13
  interface

  Parallel port              CN7        Turbo LED                JP14

  IDE interface              CN8        Turbo switch             JP15
  (primary)

  IDE interface              CN9        Reset switch             JP16
  (secondary)

  External battery           JP9        32-bit PCI slots      PCI1 - PCI4

                        USER CONFIGURABLE SETTINGS

               Function                     Jumper           Position

  »   Flash voltage BIOS select 5v           JP4            pins 1 & 2
                                                              closed

      Flash voltage BIOS select 12v          JP4            pins 2 & 3
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

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

       4MB        (2) 512K x 36         NONE

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

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

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

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

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

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

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

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

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

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

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

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

      128MB        (2) 16M x 36         NONE

      130MB       (2) 256K x 36     (2) 16M x 36

      132MB       (2) 512K x 36     (2) 16M x 36

      136MB        (2) 1M x 36      (2) 16M x 36

      144MB        (2) 2M x 36      (2) 16M x 36

      160MB        (2) 4M x 36      (2) 16M x 36

      192MB        (2) 8M x 36      (2) 16M x 36

      256MB        (2) 16M x 36     (2) 16M x 36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     256KB        (8) 32K x 8        NONE         (1) 8K x 8

     512KB        (8) 32K x 8     (8) 32K x 8    (1) 32K x 8

     512KB        (8) 64K x 8        NONE        (1) 32K x 8

     1024KB       (8) 64K x 8     (8) 64K x 8    (1) 64K x 8

     1024KB      (8) 128K x 8        NONE        (1) 64K x 8

     2048KB      (8) 128K x 8    (8) 128K x 8    (1) 128K x 8

                        CACHE JUMPER CONFIGURATION

      Size            JP5            JP6            JP7           JP8

      256KB           Open           Open          Open          1 & 2

      512KB          1 & 2           Open          Open          2 & 3

      512KB          1 & 2           Open          2 & 3         1 & 2

     1024KB       1 & 2, 3 & 4       Open          1 & 2         2 & 3

     1024KB       1 & 2, 3 & 4      1 & 2          2 & 3         1 & 2

     2048KB        1 & 2, 3 &       2 & 3          1 & 2         2 & 3
                    4, 5 & 6

  Note: Pins designated should be in closed position.

                          CPU SPEED CONFIGURATION

       CPU Speed              Clock Speed                   JP3

         75MHz                   50MHz                     Open

         90MHz                   60MHz               pins 3 & 4 closed

         100MHz                  50MHz                     Open

         100MHz                  66MHz               pins 1 & 2, 3 & 4
                                                          closed

         120MHz                  60MHz               pins 3 & 4 closed

         133MHz                  66MHz               pins 1 & 2, 3 & 4
                                                          closed

         CPU VOLTAGE CONFIGURATION

  Voltage     JPA        JPB        JPC

   3.3v      Closed      Open      Open

   3.45v      Open      Closed     Open

   3.6v       Open       Open     Closed