
COMPUTREND SYSTEMS, INC.

PREMIO PCI PENTIUM S17

Processor            Pentium
Processor Speed      75/90/100/120/133MHz
Chip Set             SIS
Max. Onboard DRAM    128MB
Cache                256/512/1024KB
BIOS                 AMI
Dimensions           280mm x 220mm
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 connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1             CN1        Speaker              JFP pins 7 -
                                                                 10

  Serial port 2             CN2        Turbo LED            JFP pins 12 &
                                                                 13

  Parallel port             CN3        Turbo switch         JFP pins 15 -
                                                                 17

  Floppy drive              CN4        Reset switch         JFP pins 19 &
  interface                                                      20

  IDE interface             CN5        Green PC                 JG1
                                       connector

  IDE interface             CN6        Green PC LED             JG2

  External battery          JB1        PS/2 mouse port          PSM1

  Chassis fan power        JFAN        PS/2 mouse               PSM2
                                       interface

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

  Power LED & keylock   JFP pins 1 -   VRM connector            VRM
                             5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP1              N/A
      alter

     Factory configured - do not             JP2              N/A
      alter

     Factory configured - do not             JP3              N/A
      alter

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     4MB        (1) 1M x 36       NONE           NONE          NONE

     8MB        (1) 2M x 36       NONE           NONE          NONE

     8MB        (1) 1M x 36   (1) 1M x 36        NONE          NONE

     8MB           NONE           NONE       (1) 1M x 36    (1) 1M x 36

     16MB       (1) 4M x 36       NONE           NONE          NONE

     16MB       (1) 2M x 36   (1) 2M x 36        NONE          NONE

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

     16MB          NONE           NONE       (1) 2M x 36    (1) 2M x 36

     20MB       (1) 1M x 36   (1) 4M x 36        NONE          NONE

     20MB       (1) 4M x 36   (1) 1M x 36        NONE          NONE

     20MB          NONE           NONE       (1) 1M x 36    (1) 4M x 36

     20MB          NONE           NONE       (1) 4M x 36    (1) 1M x 36

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

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

     32MB       (1) 8M x 36       NONE           NONE          NONE

     32MB       (1) 4M x 36   (1) 4M x 36        NONE          NONE

     32MB          NONE           NONE       (1) 4M x 36    (1) 4M x 36

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     40MB       (1) 2M x 36   (1) 8M x 36        NONE          NONE

     40MB       (1) 8M x 36   (1) 2M x 36        NONE          NONE

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

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

     40MB          NONE           NONE       (1) 2M x 36    (1) 8M x 36

     40MB          NONE           NONE       (1) 8M x 36    (1) 2M x 36

                       DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 2M x 36    (1) 2M x 36

     48MB       (1) 2M x 36   (1) 2M x 36    (1) 4M x 36    (1) 4M x 36

     60MB       (1) 1M x 36   (1) 4M x 36    (1) 2M x 36    (1) 8M x 36

     60MB       (1) 4M x 36   (1) 1M x 36    (1) 8M x 36    (1) 8M x 36

     64MB       (1) 8M x 36   (1) 8M x 36        NONE          NONE

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     64MB          NONE           NONE       (1) 8M x 36    (1) 8M x 36

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

     72MB       (1) 4M x 36   (1) 4M x 36    (1) 2M x 36    (1) 8M x 36

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

     80MB       (1) 2M x 36   (1) 2M x 36    (1) 8M x 36    (1) 8M x 36

     80MB       (1) 8M x 36   (1) 8M x 36    (1) 2M x 36    (1) 2M x 36

     96MB       (1) 8M x 36   (1) 8M x 36    (1) 4M x 36    (1) 4M x 36

    128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

  Note: Board will accept EDO and FP DRAM modules.

                            CACHE CONFIGURATION

     Size          Bank 0        Bank 1       U17 & U18         TAG

   256KB (A)     (4) 32K x 8   (4) 32K x 8      NONE       (1) 8K/16K x 8

   256KB (B)        NONE          NONE        (2) 32K x    (1) 8K/16K x 8
                                                 32

   512KB (A)     (4) 64K x 8   (4) 64K x 8      NONE        (1) 16K x 8

   512KB (B)     (4) 64K x 8   (4) 64K x 8      NONE        (1) 16K x 8

      1MB        (4) 128K x     (4) 128K x      NONE        (1) 32K x 8
                     8              8

                  CACHE JUMPER CONFIGURATION

        Size                  JS1                  JS2

      256KB (A)        Pins 1 & 2 closed    Pins 2 & 3 closed

      256KB (B)        Pins 3 & 4 closed    Pins 2 & 3 closed

  512KB (A) (128AK)    Pins 3 & 4 closed    Pins 3 & 4 closed

  512KB (B) (129AK)    Pins 2 & 3 closed    Pins 2 & 3 closed

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

                          CPU SPEED CONFIGURATION

   Speed     SW1/1      SW1/2      SW1/3     SW1/4      SW1/5     SW1/6

   75MHz      Off        Off        Off       Off        Off        On

  80MHz*       On         On        Off       Off        On        Off

   90MHz      Off        Off        Off        On        Off        On

  100MHz      Off        Off        Off        On        On         On

  120MHz*      On        Off        Off       Off        On        Off

  120MHz      Off         On        Off        On        Off        On

  133MHz      Off         On        Off        On        On         On

  Note: 80MHz* & 120MHz* are reserved for future CX M1 CPUs.

                         CPU VOLTAGE CONFIGURATION

          Voltage                    JV1                     JV2

            3.38v                  Closed                 Closed

             3.52v                   Open                  Closed

