
GIGA-BYTE TECHNOLOGY CO., LTD.

GA-5486AL

Processor  80486DX/IBMDX2/CX486DX2/80486DX2/AM486DX4/ST486DX4/80486DX4/ P24D/Pentium
           Overdrive/AM5X86/CX5X86
Processor  25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/100(internal)/
Speed      120(internal)/133(internal)MHz
Chip Set   ALI
Max.       128MB
Onboard
DRAM
Cache      128/256/512KB
BIOS       Award
Dimensions 220mm x 210mm
I/O        32-bit PCI slots (3), floppy drive interface, green PC connector, IDE
Options    interfaces (2), parallel port, serial ports (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1              CN1       IDE interface LED           J2

  Serial port 2              CN2       Reset switch                J3

  Parallel port              CN3       Turbo switch                J4

  Floppy drive interface     CN4       Green PC LED                J5

  IDE interface 2            CN5       Speaker                     J6

  IDE interface 1            CN6       Power LED & keylock         J7

  Green PC connector          J1       32-bit PCI slots         PC1 - PC3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP3              N/A
      alter

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (1) 256K x        NONE           NONE           NONE
                    36

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

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

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        NONE
                    36             36             36

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

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB        (1) 512K x     (1) 512K x        NONE           NONE
                    36             36

     5MB       (1) 1M x 36     (1) 256K x        NONE           NONE
                                   36

     5MB        (1) 256K x    (1) 1M x 36        NONE           NONE
                    36

     6MB       (1) 1M x 36     (1) 256K x     (1) 256K x        NONE
                                   36             36

     7MB       (1) 1M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

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

     9MB        (1) 256K x    (1) 1M x 36    (1) 1M x 36        NONE
                    36

     10MB      (1) 2M x 36     (1) 512K x        NONE           NONE
                                   36

     10MB       (1) 512K x    (1) 2M x 36        NONE           NONE
                    36

     12MB      (1) 1M x 36    (1) 1M x 36    (1) 1M x 36        NONE

     13MB       (1) 256K x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

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

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

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

     17MB      (1) 4M x 36     (1) 256K x        NONE           NONE
                                   36

     17MB       (1) 256K x    (1) 4M x 36        NONE           NONE
                    36

     18MB      (1) 4M x 36     (1) 256K x     (1) 256K x        NONE
                                   36             36

     19MB      (1) 4M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

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

     24MB      (1) 4M x 36    (1) 1M x 36    (1) 1M x 36        NONE

     28MB      (1) 4M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

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

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

     33MB       (1) 256K x    (1) 4M x 36    (1) 4M x 36        NONE
                    36

     34MB      (1) 8M x 36     (1) 512K x        NONE           NONE
                                   36

     34MB       (1) 512K x    (1) 8M x 36        NONE           NONE
                    36

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

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

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

     48MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36        NONE

     49MB       (1) 256K x    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36
                    36

     52MB      (1) 1M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

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

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     64MB        (1) 16M x 36      NONE           NONE           NONE

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

     66MB        (1) 16M x 36    (1) 512K x       NONE           NONE
                                    36

     66MB         (1) 512K x    (1) 16M x 36      NONE           NONE
                     36

     72MB        (1) 16M x 36   (1) 2M x 36       NONE           NONE

     72MB        (1) 2M x 36    (1) 16M x 36      NONE           NONE

     96MB        (1) 16M x 36   (1) 8M x 36       NONE           NONE

     96MB        (1) 8M x 36    (1) 16M x 36      NONE           NONE

     128MB       (1) 16M x 36   (1) 16M x 36      NONE           NONE

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     128KB        (4) 32K x 8     (1) 8K x 8

     256KB        (4) 64K x 8    (1) 16K x 8

     512KB        (4) 128K x 8   (1) 32K x 8

               CACHE JUMPER CONFIGURATION

            Size                        JP4

           128KB                       Open

           256KB                 pins 2 & 4 closed

           512KB             pins 1 & 3, 2 & 4 closed

                          CPU TYPE CONFIGURATION

        Type               J9          JP11         JP12         JP13

     80486DX-33        pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

       IBM DX2         pins 1 & 2      Open        Closed     pins 1 & 2
                         closed                                 closed

     CX486DX2-66       pins 1 & 2      Open        Closed     pins 1 & 2
                         closed                                 closed

     80486DX2-66       pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

    CX486DX4-100       pins 1 & 2      Open        Closed     pins 1 & 2
                         closed                                 closed

     AM486DX4-100      pins 1 & 2     Closed        Open      pins 3 & 4
       (NV8T)            closed                                 closed

     AM486DX4-100      pins 2 & 3     Closed        Open      pins 1 & 2
       (SV8B)            closed                                 closed

     AM486DX4-120      pins 2 & 3     Closed        Open      pins 3 & 4
       (NV8T)            closed                                 closed

     AM486DX4-120      pins 2 & 3     Closed        Open      pins 1 & 2
       (SV8B)            closed                                 closed

    ST486DX4-100       pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

  80486DX4-75 (3v)     pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

  80486DX4-75 (5v)     pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

  80486DX4-100 (3v)    pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

  80486DX4-100 (5v)    pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

        P24D           pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

      P24T 63WB        pins 2 & 3     Closed        Open      pins 1 & 2
                         closed                                 closed

      P24T 83WB        pins 2 & 3     Closed        Open      pins 1 & 2
                         closed                                 closed

     AM5X86-P75        pins 2 & 3     Closed        Open      pins 1 & 2
                         closed                                 closed

     CX5X86-100        pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

     CX5X86-120        pins 2 & 3     Closed        Open      pins 1 & 2
                         closed                                 closed

     CX5X86-133        pins 1 & 2     Closed        Open      pins 1 & 2
                         closed                                 closed

                      CPU TYPE CONFIGURATION (CONT)

         Type                JP14             JP15              JP16

      80486DX-33          pins 3 & 6        pins 1 & 2          Open
                            closed           closed

       IBM DX2            pins 2 & 5        pins 1 & 2          Open
                            closed           closed

     CX486DX2-66          pins 2 & 5        pins 1 & 2          Open
                            closed           closed

     80486DX2-66          pins 3 & 6        pins 1 & 2          Open
                            closed           closed

     CX486DX4-100         pins 2 & 5        pins 1 & 2          Open
                            closed           closed

  AM486DX4-100 (NV8T)     pins 2 & 5        pins 1 & 2          Open
                            closed           closed

  AM486DX4-100 (SV8B)     pins 2 & 5        pins 1 & 2          Open
                            closed           closed

  AM486DX4-120 (NV8T)     pins 2 & 5        pins 1 & 2          Open
                            closed           closed

  AM486DX4-120 (SV8B)     pins 2 & 5        pins 1 & 2          Open
                            closed           closed

     ST486DX4-100         pins 2 & 5        pins 1 & 2          Open
                            closed           closed

   80486DX4-75 (3v)       pins 2 & 5        pins 1 & 2          Open
                            closed           closed

   80486DX4-75 (5v)       pins 3 & 6        pins 1 & 2         Closed
                            closed           closed

  80486DX4-100 (3v)       pins 2 & 5        pins 1 & 2          Open
                            closed           closed

  80486DX4-100 (5v)       pins 3 & 6        pins 1 & 2         Closed
                            closed           closed

         P24D             pins 3 & 6        pins 1 & 2          Open
                            closed           closed

      P24T 63WB           pins 3 & 6        pins 1 & 2         Closed
                            closed           closed

      P24T 83WB           pins 3 & 6        pins 1 & 2         Closed
                            closed           closed

      AM5X86-P75          pins 2 & 5        pins 2 & 3          Open
                            closed           closed

      CX5X86-100          pins 2 & 5        pins 1 & 2          Open
                            closed           closed

      CX5X86-120          pins 2 & 5        pins 1 & 2          Open
                            closed           closed

      CX5X86-133          pins 2 & 5        pins 2 & 3          Open
                            closed           closed

                      CPU TYPE CONFIGURATION (CONT)

        Type              JP17              RN3                RN4

     80486DX-33         pins 2 & 3       Installed        Not installed
                         closed

       IBM DX2          pins 2 & 3     Not installed        Installed
                         closed

     CX486DX2-66        pins 2 & 3     Not installed        Installed
                         closed

     80486DX2-66        pins 2 & 3       Installed        Not installed
                         closed

    CX486DX4-100        pins 2 & 3     Not installed        Installed
                         closed

     AM486DX4-100       pins 1 & 2       Installed        Not installed
       (NV8T)            closed

     AM486DX4-100       pins 1 & 2       Installed        Not installed
       (SV8B)            closed

     AM486DX4-120       pins 1 & 2       Installed        Not installed
       (NV8T)            closed

     AM486DX4-120       pins 1 & 2       Installed        Not installed
       (SV8B)            closed

    ST486DX4-100        pins 2 & 3       Installed        Not installed
                         closed

  80486DX4-75 (3v)      pins 2 & 3       Installed        Not installed
                         closed

  80486DX4-75 (5v)      pins 2 & 3       Installed        Not installed
                         closed

  80486DX4-100 (3v)     pins 2 & 3       Installed        Not installed
                         closed

  80486DX4-100 (5v)     pins 2 & 3       Installed        Not installed
                         closed

        P24D            pins 1 & 2       Installed        Not installed
                         closed

      P24T 63WB         pins 2 & 3       Installed        Not installed
                         closed

      P24T 83WB         pins 2 & 3       Installed        Not installed
                         closed

     AM5X86-P75         pins 1 & 2       Installed        Not installed
                         closed

     CX5X86-100         pins 2 & 3       Installed        Not installed
                         closed

     CX5X86-120         pins 2 & 3       Installed        Not installed
                         closed

     CX5X86-133         pins 2 & 3       Installed        Not installed
                         closed

                          CPU SPEED CONFIGURATION

     Speed           JP7            JP8            JP9           JP10

     25MHz        pins 1 & 2     pins 2 & 3     pins 1 & 2       Open
                   closed         closed         closed

     33MHz        pins 1 & 2     pins 1 & 2     pins 1 & 2       Open
                   closed         closed         closed

     40MHz        pins 2 & 3     pins 2 & 3     pins 2 & 3      Closed
                   closed         closed         closed

    50iMHz        pins 1 & 2     pins 2 & 3     pins 1 & 2       Open
                   closed         closed         closed

    66iMHz        pins 1 & 2     pins 1 & 2     pins 1 & 2       Open
                   closed         closed         closed

    75iMHz        pins 1 & 2     pins 2 & 3     pins 1 & 2       Open
                   closed         closed         closed

    80iMHz        pins 2 & 3     pins 2 & 3     pins 2 & 3      Closed
                   closed         closed         closed

    100iMHz       pins 1 & 2     pins 1 & 2     pins 1 & 2       Open
                   closed         closed         closed

    120iMHz       pins 2 & 3     pins 2 & 3     pins 2 & 3      Closed
                   closed         closed         closed

    133iMHz       pins 1 & 2     pins 1 & 2     pins 1 & 2       Open
                   closed         closed         closed

