
PC CHIPS MANUFACTURING, LTD.

M590

Device Type   Mainboard
Processor     CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/CX MII/IBM MII/AM K5/

              AM K6/AM K6-2/IDT C6/Pentium/Pentium MMX
Processor     90/100/120/133/150/166/180/200/233/266/300/333/350MHz
Speed
Chip Set      Unidentified
Video Chip    Unidentified
Set
Maximum       384MB (EDO & SDRAM supported)
Onboard
Memory
Maximum Video Unidentified
Memory
Audio Chip    Unidentified
Set
Cache         1024KB
BIOS          AMI
Dimensions    254mm x 218mm
I/O Options   32-bit PCI slots (3), floppy drive interface, IDE interfaces
              (2), parallel port, PS/2 mouse port, PS/2 mouse interface,
              serial ports (2), ATX power connector, AGP slot, digital
              line in, digital line out, audio in  CD-ROMs (2), ATX form
              card connector, sound/game connector

[Image]

                                CONNECTIONS

  Purpose              Location      Purpose                Location

  ATX power               ATX        ATX form card             J3
  connector                          connector

  Audio in  CD-ROM       CD1        Digital audio             J4
                                     out

  Audio in  CD-ROM       CD2        Digital audio in          J5

  Serial port 2           CN1        Speaker             J8/pins 1/3/5/7

  Serial port 1           CN2        Power LED &             J8/pins
                                     keylock               2/4/6/8/10

  Parallel port           CN3        Turbo LED           J8/pins 13 & 14

  IDE interface 2         CN4        IDE interface       J8/pins 15 & 16
                                     LED

  IDE interface 1         CN5        Reset switch        J8/pins 17 & 18

  Floppy drive            CN6        Soft off power      J8/pins 19 & 20
  interface                          supply

  Chassis fan power       FAN        VGA interface             JP4

  Sound/game              J1         32-bit PCI slots       PC1  PC3
  connector

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Microphone type select normal            J2              Open

      Microphone type select special           J2             Closed

     CMOS memory normal operation            JP6           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP6           Pins 2 & 3
                                                              closed

      On board sound enabled                  JP9              Open

      On board sound disabled                 JP9             Closed

              SIMM CONFIGURATION

         Size                  Bank 0

          8MB                (2) 1M x 36

         16MB                (2) 2M x 36

         32MB                (2) 4M x 36

         64MB                (2) 8M x 36

         128MB              (2) 16M x 36

         256MB              (2) 32M x 36

            Note: Board accepts EDO memory.

               DIMM CONFIGURATION

      Size          Bank 1          Bank 2

      8MB         (1) 1M x 64        None

      16MB        (1) 2M x 64        None

      16MB        (1) 1M x 64     (1) 1M x 64

      24MB        (1) 2M x 64     (1) 1M x 64

      32MB        (1) 4M x 64        None

      32MB        (1) 2M x 64     (1) 2M x 64

      40MB        (1) 4M x 64     (1) 1M x 64

      48MB        (1) 4M x 64     (1) 2M x 64

      64MB        (1) 8M x 64        None

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

      72MB        (1) 8M x 64     (1) 1M x 64

      80MB        (1) 8M x 64     (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64

     128MB       (1) 16M x 64        None

     128MB        (1) 8M x 64     (1) 8M x 64

     136MB       (1) 16M x 64     (1) 1M x 64

     144MB       (1) 16M x 64     (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64

     192MB       (1) 16M x 64     (1) 8M x 64

     256MB       (1) 16M x 64    (1) 16M x 64

            Note: Board accepts SDRAM memory.

                  DIMM VOLTAGE CONFIGURATION

       Voltage               JP2A                 JP2B

        3.3v           Pins 2 & 3 closed   Pins 2 & 3 closed

         5v            Pins 1 & 2 closed   Pins 1 & 2 closed

               VIDEO MEMORY CONFIGURATION

  Note: The size of the video memory is unidentified.

      CACHE CONFIGURATION

      Size          Bank 0

      1MB        (2) 64K x 64

