UNIDENTIFIED

486CCL/486CCI

Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed  25/33/40/50(internal)/50/66(internal)MHz
Chip Set         Contaq
Max. Onboard DRAM32MB
Cache            64/128/256KB
BIOS             AMI
Dimensions       248mm x 220mm
I/O Options      32-bit VESA local bus slots (2)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            J1        Reset switch               J5

  Power LED & keylock         J2        Speaker                    J6

  Turbo LED                   J3        32-bit VESA local      SL1 & SL2
                                        bus slots

  Turbo switch                J4

                        USER CONFIGURABLE SETTINGS

               Function                     Jumper           Position

  »   VGA card select Cirrus Logic           JP29           pins 1 & 2
      5426 only                                               closed

      VGA card select non Cirrus             JP29           pins 2 & 3
      Logic                                                   closed

  »   VESA card select normal               JP105           pins 2 & 3
                                                              closed

      VESA card select special              JP105           pins 1 & 2
                                                              closed

  Note: Jumpers JP29 & JP105 are only on the 486CCL.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

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

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

            CACHE JUMPER CONFIGURATION

      Size             RN4              RN5

      64KB        Not installed    Not installed

      128KB       Not installed      Installed

      256KB         Installed      Not installed

         CPU TYPE CONFIGURATION

     Type          JP1          JP5

  80486 PGA       Open          Open

  80486 PQFP     Closed        Closed

                      CPU TYPE CONFIGURATION

      Type             RN1              RN2              RN3

     80486SX      Not installed      Installed      Not installed

    ODP486SX      Not installed    Not installed      Installed

     80487SX      Not installed    Not installed      Installed

   80486DX/DX2      Installed      Not installed    Not installed

                     CPU SPEED CONFIGURATION

   Speed       H1         H2         H3         ID3       JP30

   25MHz     Closed      Open       Open       Open      Closed

   33MHz      Open      Closed      Open       Open       Open

   40MHz     Closed     Closed      Open       Open       Open

  50iMHz     Closed      Open       Open       Open      Closed

   50MHz      Open       Open      Closed     Closed      Open

  66iMHz      Open      Closed      Open       Open       Open

            Note: Jumper ID3 is only on the 486CCL.

                       VESA CARD TYPE CONFIGURATION

       Card select                JP106                    JP107

        Any card                  Closed                   Closed

   Weitek P9000 VL-Bus             Open                     Open
        card only

  Note: Jumpers JP106 & JP107 are only on the 486CCL.

         BUS SPEED CONFIGURATION

      CPU speed             JP102

      <= 33MHz        pins 1 & 2 closed

       > 33MHz        pins 2 & 3 closed

                       MISCELLANEOUS TECHNICAL NOTE

  Note:Depending on mainboard version, it may not have VESA slots and
  associated jumpers.