
MICRO-STAR INTERNATIONAL CO., LTD.

MS-5128

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                AMI/Award
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 interface, serial ports (2), cache slot, IR
                    connector, USB connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1             CN1        Speaker               J20 pins 7 -
                                                                 10

  Serial port 2             CN2        Turbo LED            J20 pins 12 &
                                                                 13

  Parallel port             CN3        Turbo switch         J20 pins 15 -
                                                                 17

  Floppy drive              CN4        Reset switch         J20 pins 19 &
  interface                                                      20

  IDE interface 2           CN5        IDE interface LED    J20 pins 21 &
                                                                 22

  IDE interface 1           CN6        Chassis fan power         J21

  USB connector             CN7        IR connector              JIR

  PS/2 mouse                CN8        Green PC connector        JG2
  interface

  PS/2 mouse port           CN9        32-bit PCI slots       PC1 - PC4

  Power LED &           J20 pins 1 -   Cache slot                SL1
  keylock                    5

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Jumper information unavailable        JP8          Unidentified

      PS/2 IRQ12 mouse enabled             JP10             Closed

      PS/2 IRQ12 mouse disabled            JP10              Open

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

      8MB           None       (2) 1M x 36

     16MB        (2) 2M x 36      None

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

     16MB           None       (2) 2M x 36

     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

     32MB           None       (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           None       (2) 8M x 36

     64MB        (2) 8M x 36      None

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

          DRAM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

     128MB           None        (2) 16M x 36

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

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

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

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

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

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

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

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

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

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

                            CACHE CONFIGURATION

          Size                   Bank 0                     SL1

          256KB               (2) 32K x 32                 None

          512KB               (2) 32K x 32        256KB module installed

  Note: The size of the TAG chip is unidentified.

        CACHE JUMPER CONFIGURATION

       Setting               JS1

    SL1 installed           Closed

  SL1 not installed          Open

                    CPU SPEED SELECTION (CYRIX)

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

  120MHz     Off       On       Off       Off       On       Off

  133MHz     Off       On       Off       On        On        On

  150MHz     Off       On       Off       Off      Off        On

  166MHz     Off       On       Off       Off      Off       Off

                 CPU SPEED SELECTION (AMD/PENTIUM)

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

  75MHz      Off      Off       Off       Off       On       Off

  90MHz      Off      Off       Off       Off      Off        On

  100MHz     Off      Off       Off       Off      Off       Off

  120MHz     Off       On       Off       Off      Off        On

  133MHz     Off       On       Off       Off      Off       Off

  150MHz     Off       On       On        Off      Off        On

  166MHz     Off       On       On        Off      Off       Off

  180MHz     Off      Off       On        Off      Off        On

  200MHz     Off      Off       On        Off      Off       Off

                           CPU VOLTAGE SELECTION

       Voltage               JV1             JV2               JV3

  2.8v - 2.9v (P55)         Open        1 & 2, 4 & 5          Open

     3.3v - 3.45v       1 & 2, 3 & 4,       3 & 4             Open
       (STD/VR)             5 & 6

  3.45v - 3.6v (VRE)    1 & 2, 3 & 4,       3 & 4            Closed
                            5 & 6

  Note: Pins designated should be in the closed position.

