
GIGA-BYTE TECHNOLOGY CO., INC.

GA-586AP REV. 2A

Processor            Pentium
Processor Speed      75/90/100/120/133MHz
Chip Set             ALI
Max. Onboard DRAM    192MB
Cache                256/512/1024KB
BIOS                 Award
Dimensions           330mm x 218mm
I/O Options          32-bit PCI slots (3), floppy drive interface, green
                     PC connector, IDE interfaces (2), parallel port,
                     serial ports (2)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  Serial port 1               CN1       Green PC connector        JP12

  Serial port 2               CN2       Green PC LED              JP13

  Floppy drive interface      CN3       Reset switch              JP14

  Parallel port               CN4       Turbo switch              JP15

  IDE interface (primary)     CN5       Turbo LED                 JP16

  IDE interface               CN6       Speaker                   JP17
  (secondary)

  Chassis fan power           JP1       Power LED & keylock       JP18

  IDE interface LED           JP4       32-bit PCI slots        PC1 - PC3

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     CPU type select standard & VR          JP19              Open
      spec CPU

      CPU type select VR spec CPU            JP19             Closed

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       2MB        (2) 256K x 36         NONE            NONE

       4MB        (2) 256K x 36    (2) 256K x 36        NONE

       4MB        (2) 512K x 36         NONE            NONE

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

       6MB        (2) 256K x 36    (2) 512K x 36        NONE

       6MB        (2) 512K x 36    (2) 256K x 36        NONE

       8MB        (2) 512K x 36    (2) 256K x 36    (2) 256K x 36

       8MB        (2) 512K x 36    (2) 512K x 36        NONE

       8MB         (2) 1M x 36          NONE            NONE

      10MB        (2) 256K x 36    (2) 512K x 36    (2) 512K x 36

      10MB        (2) 256K x 36     (2) 1M x 36         NONE

      10MB         (2) 1M x 36     (2) 256K x 36        NONE

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

      12MB        (2) 512K x 36     (2) 1M x 36         NONE

      12MB         (2) 1M x 36     (2) 256K x 36    (2) 256K x 36

      12MB         (2) 1M x 36     (2) 512K x 36        NONE

      16MB         (2) 1M x 36     (2) 512K x 36    (2) 512K x 36

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

      16MB         (2) 2M x 36          NONE            NONE

      18MB        (2) 256K x 36     (2) 1M x 36      (2) 1M x 36

      18MB        (2) 256K x 36     (2) 2M x 36         NONE

      18MB         (2) 2M x 36     (2) 256K x 36        NONE

      20MB        (2) 512K x 36     (2) 1M x 36      (2) 1M x 36

      20MB        (2) 512K x 36     (2) 2M x 36         NONE

      20MB         (2) 2M x 36     (2) 256K x 36    (2) 256K x 36

      20MB         (2) 2M x 36     (2) 512K x 36        NONE

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

      24MB         (2) 1M x 36      (2) 2M x 36         NONE

      24MB         (2) 2M x 36     (2) 512K x 36    (2) 512K x 36

      24MB         (2) 2M x 36      (2) 1M x 36         NONE

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

      32MB         (2) 2M x 36      (2) 2M x 36         NONE

      32MB         (2) 4M x 36          NONE            NONE

      34MB        (2) 256K x 36     (2) 2M x 36      (2) 2M x 36

      34MB        (2) 256K x 36     (2) 4M x 36         NONE

      34MB         (2) 4M x 36     (2) 256K x 36        NONE

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

      36MB        (2) 512K x 36     (2) 4M x 36         NONE

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

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      36MB         (2) 4M x 36     (2) 512K x 36        NONE

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

      40MB         (2) 1M x 36      (2) 4M x 36         NONE

      40MB         (2) 4M x 36     (2) 512K x 36    (2) 512K x 36

      40MB         (2) 4M x 36      (2) 1M x 36         NONE

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

      48MB         (2) 2M x 36      (2) 4M x 36         NONE

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

      48MB         (2) 4M x 36      (2) 2M x 36         NONE

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

      64MB         (2) 4M x 36      (2) 4M x 36         NONE

      64MB         (2) 8M x 36          NONE            NONE

      66MB        (2) 256K x 36     (2) 4M x 36      (2) 4M x 36

      66MB        (2) 256K x 36     (2) 8M x 36         NONE

      66MB         (2) 8M x 36     (2) 256K x 36        NONE

      68MB        (2) 512K x 36     (2) 4M x 36      (2) 4M x 36

      68MB        (2) 512K x 36     (2) 8M x 36         NONE

      68MB         (2) 8M x 36     (2) 256K x 36    (2) 256K x 36

      68MB         (2) 8M x 36     (2) 512K x 36        NONE

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

      72MB         (2) 1M x 36      (2) 8M x 36         NONE

      72MB         (2) 8M x 36     (2) 512K x 36    (2) 512K x 36

      72MB         (2) 8M x 36      (2) 1M x 36         NONE

      80MB         (2) 2M x 36      (2) 4M x 36      (2) 4M x 36

      80MB         (2) 2M x 36      (2) 8M x 36         NONE

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

      80MB         (2) 8M x 36      (2) 2M x 36         NONE

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

      96MB         (2) 4M x 36      (2) 8M x 36         NONE

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

      96MB         (2) 8M x 36      (2) 4M x 36         NONE

      112MB        (2) 8M x 36      (2) 4M x 36      (2) 4M x 36

      128MB        (2) 8M x 36      (2) 8M x 36         NONE

      130MB       (2) 256K x 36     (2) 8M x 36      (2) 8M x 36

      132MB       (2) 512K x 36     (2) 8M x 36      (2) 8M x 36

      136MB        (2) 1M x 36      (2) 8M x 36      (2) 8M x 36

      144MB        (2) 2M x 36      (2) 8M x 36      (2) 8M x 36

      160MB        (2) 4M x 36      (2) 8M x 36      (2) 8M x 36

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

                            CACHE CONFIGURATION

          Size                    Bank 0                    TAG

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

          512KB                (8) 64K x 8         (1) 16K x 8 or (1) 32K
                                                            x 8

           1MB                 (8) 128K x 8             (1) 32K x 8

                  CACHE JUMPER CONFIGURATION

        Size                 JP2                  JP3

        256KB          pins 1 & 2 closed   pins 1 & 2 closed

        512KB          pins 1 & 2 closed   pins 2 & 3 closed

         1MB           pins 2 & 3 closed   pins 2 & 3 closed

                   CPU SPEED CONFIGURATION

        Speed                JP10                 JP11

        75MHz          pins 2 & 3 closed   pins 2 & 3 closed

        90MHz          pins 1 & 2 closed   pins 1 & 2 closed

       100MHz          pins 1 & 2 closed   pins 2 & 3 closed

  CPU SPEED CONFIGURATION

    Speed          JP20

    75MHz          Open

    90MHz          Open

    100MHz         Open

    120MHz        Closed

    133MHz        Closed

