FIRST INTERNATIONAL COMPUTER, INC. ================================== 486-GIO-VT2 Processor CX486S/80486SX/CX486DX/AM486DX/AM486DXL/80486DX/80486DX2/ 80486DX4/P4S/P23S/P24C/P24CT/P24D/P24S/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set VIA Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS Award Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (2), floppy drive interface, game port, Options green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | PS/2 mouse | CN1 | Turbo switch | J12 | | interface | | | | |-------------------+----------+------------------+----------| | Game interface | CN2 | Turbo LED | J13 | |-------------------+----------+------------------+----------| | PS/2 mouse port | CN4 | Reset switch | J14 | |-------------------+----------+------------------+----------| | Serial port 2 | CN7 | Speaker | J15 | |-------------------+----------+------------------+----------| | Serial port 1 | CN8 | Power LED & | J16 | | | | keylock | | |-------------------+----------+------------------+----------| | Floppy drive | CN9 | Green PC | J17 | | interface | | connector | | |-------------------+----------+------------------+----------| | Parallel port | CN10 | Green PC | J23 | | | | connector | | |-------------------+----------+------------------+----------| | IDE interface | CN11 | Green PC | J24 | | (primary) | | connector | | |-------------------+----------+------------------+----------| | IDE interface | CN12 | IDE interface | J25 | | (secondary) | | LED (secondary) | | |-------------------+----------+------------------+----------| | External battery | J1 | 32-bit VESA | SL1 & | | | | local bus slots | SL2 | |-------------------+----------+------------------+----------| | IDE interface LED | J8 | | | | (primary) | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Monitor type select | J2 | Open | | | monochrome/EGA/VGA | | | |---+----------------------------------+--------+------------| | | Monitor type select color | J2 | Closed | |---+----------------------------------+--------+------------| |>> | Battery type select internal | J3 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Battery type select external | J3 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | VESA IDE interface enabled | J4 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | VESA IDE interface disabled | J4 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | CMOS memory normal operation | J7 | Open | |---+----------------------------------+--------+------------| | | CMOS memory clear | J7 | Closed | |---+----------------------------------+--------+------------| |>> | Local HDD_BALE disabled | J9 | Open | |---+----------------------------------+--------+------------| | | Local HDD_BALE enabled | J9 | Closed | |---+----------------------------------+--------+------------| |>> | Local HDD_IOCHRDY disabled | J10 | Open | |---+----------------------------------+--------+------------| | | Local HDD_ IOCHRDY enabled | J10 | Closed | |---+----------------------------------+--------+------------| |>> | ISA HDD_BALE disabled | J26 | Open | |---+----------------------------------+--------+------------| | | ISA HDD_BALE enabled | J26 | Closed | |---+----------------------------------+--------+------------| |>> | ISA HDD_IOCHRDY disabled | J27 | Open | |---+----------------------------------+--------+------------| | | ISA HDD_ IOCHRDY enabled | J27 | Closed | |---+----------------------------------+--------+------------| |>> | AM486DXL2 speed select 2x | J30 | Closed | |---+----------------------------------+--------+------------| | | AM486DXL2 speed select 3x | J30 | Open | |---+----------------------------------+--------+------------| |>> | Game port enabled | J31 | Closed | |---+----------------------------------+--------+------------| | | Game port disabled | J31 | Open | |---+----------------------------------+--------+------------| |>> | CPU type select Intel SL and all | JCX2 | pins 1 & 2 | | | others | | closed | |---+----------------------------------+--------+------------| | | CX486S/DX P24D | JCX2 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP1 | pins 2 & 3 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP2 | pins 2 & 3 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Cache type select write through | JT1 | Open | |---+----------------------------------+--------+------------| | | Cache type select write back | JT1 | Closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JW1 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JW2 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JX1 | pins 2 & 3 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | IDE interface enabled | JG | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS (CON'T) | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| | | IDE interface disabled | JG | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Floppy drive interface enabled | JH | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Floppy drive interface disabled | JH | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Parallel port unidirectional | JI | Closed | | | (printer) | | | |---+----------------------------------+--------+------------| | | Parallel port bidirectional | JI | Open | |------------------------------------------------------------| | Note: The location of jumpers JP1, JP2 & JX1 are | | unidentified | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | | | |------+-------------+-------------+------------+------------| | 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 5MB | (1) 1M x 36 | (1) 256K x | 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 | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 12MB | NONE | (1) 1M x 36 | (1) 2M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 12MB | NONE | NONE | (1) 1M x | (1) 2M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | (1) 4M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 16MB | NONE | (1) 1M x 36 | (1) 2M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | NONE | NONE | (1) 2M x | (1) 2M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 17MB | (1) 4M x 36 | (1) 256K x | 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 | |------+-------------+-------------+------------+------------| | 21MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 22MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 32MB | NONE | NONE | (1) 8M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 33MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 48MB | NONE | (1) 4M x 36 | (1) 8M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 48MB | NONE | NONE | (1) 4M x | (1) 8M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 64MB | NONE | (1) 4M x 36 | (1) 8M x | (1) 4M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 64MB | NONE | NONE | (1) 8M x | (1) 8M x | | | | | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | JS1 | JS2 | JS3 | |-------+-----------------+-----------------+----------------| | 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 128KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 256KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC1 | JC2 | JC3 | JC4 | |------------+------------+------------+--------+------------| | CX486S | pins 2 & 3 | pins 2 & 3 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | 80486SX | pins 2 & 3 | pins 2 & 3 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | CX486DX | pins 1 & 2 | pins 1 & 2 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | AM486DX | pins 1 & 2 | pins 1 & 2 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | 80486DX | pins 1 & 2 | pins 1 & 2 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | 80486DX2 | pins 1 & 2 | pins 1 & 2 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | P4S | pins 1 & 2 | pins 1 & 2 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | P23S | pins 2 & 3 | pins 2 & 3 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | P24C | pins 1 & 2 | pins 1 & 2 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | P24CT | pins 1 & 2 | pins 1 & 2 | Closed | pins 2 & 3 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | P24D | pins 1 & 2 | pins 1 & 2 | Open | pins 2 & 3 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | P24S | pins 1 & 2 | pins 1 & 2 | Open | pins 1 & 2 | | | closed | closed | | closed | |------------+------------+------------+--------+------------| | Pentium | pins 1 & 2 | pins 1 & 2 | Closed | pins 2 & 3 | | Overdrive | closed | closed | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | RN20 | RN21 | RN22 | JC5 | JC6 | |--------+------------+------------+-----------+------+------| | CX486S | Not | Installed | Installed | Open | Open | | | installed | | | | | |--------+------------+------------+-----------+------+------| |80486SX | Not | Not | Not | Open | Open | | | installed | installed | installed | | | |--------+------------+------------+-----------+------+------| |CX486DX | Not | Installed | Installed | Open | Open | | | installed | | | | | |--------+------------+------------+-----------+------+------| |80486DX | Not | Not | Not | Open | Open | | | installed | installed | installed | | | |--------+------------+------------+-----------+------+------| |AM486DXL| Installed | Not | Not | Open | Open | | | | installed | installed | | | |--------+------------+------------+-----------+------+------| |80486DX2| Not | Not | Not | Open | Open | | | installed | installed | installed | | | |--------+------------+------------+-----------+------+------| | P4S | Not | Not | Not |Closed|Closed| | | installed | installed | installed | | | |--------+------------+------------+-----------+------+------| | P23S | Not | Not | Not |Closed|Closed| | | installed | installed | installed | | | |--------+------------+------------+-----------+------+------| | P24C | Not | Installed | Not |Closed|Closed| | | installed | | installed | | | |--------+------------+------------+-----------+------+------| | P24CT | Not | Installed | Not |Closed|Closed| | | installed | | installed | | | |--------+------------+------------+-----------+------+------| | P24D | Not | Installed | Not |Closed|Closed| | | installed | | installed | | | |--------+------------+------------+-----------+------+------| | P24S | Not | Not | Not |Closed|Closed| | | installed | installed | installed | | | |--------+------------+------------+-----------+------+------| | P24T | Not | Not | Not |Closed|Closed| | | installed | installed | installed | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JK1 | JK2 | JK3 | JK4 | |---------+------------+------------+------------+-----------| | 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & | | | closed | closed | closed | 3 closed | |---------+------------+------------+------------+-----------| | 66iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 75iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & | | | closed | closed | closed | 2 closed | |---------+------------+------------+------------+-----------| | 100iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & | | | closed | closed | closed | 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION (80486DX4 ONLY) | |------------------------------------------------------------| | Speed | J20 | |----------------------------+-------------------------------| | 3x | Open | |----------------------------+-------------------------------| | 2x | pins 1 & 2 closed | |----------------------------+-------------------------------| | 2.5x | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Setting | PS1 | |---------------+--------------------------------------------| | 3.3v | Installed | |---------------+--------------------------------------------| | 5v | pins 1 & 2, 3 & 4, 13 & 14, 15 & 16 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE CONFIGURATION | |------------------------------------------------------------| | Wait states | JV3 | |----------------------------+-------------------------------| | 0 wait states | pins 2 & 3 closed | |----------------------------+-------------------------------| | 1 wait state | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | JV2 | |----------------------------+-------------------------------| | <= 33MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | > 33MHz | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT CONFIGURATION | |------------------------------------------------------------| | Setting | JE | JF | |------------------+--------------------+--------------------| | 378 | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 278 | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 3BC | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | Disabled | pins 1 & 2 closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | PRINTER CONFIGURATION | |------------------------------------------------------------| | Type | JW3 | JW4 | |------------------+--------------------+--------------------| | Printer | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | EPP/SPP | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | EPP/ECP | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | EXT2FDD | pins 1 & 2 closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 1 CONFIGURATION | |------------------------------------------------------------| | Setting | JA | JB | |------------------+--------------------+--------------------| | 3F8 | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 2E8 | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 3E8 | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | Disabled | pins 1 & 2 closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 2 CONFIGURATION | |------------------------------------------------------------| | Setting | JC | JD | |------------------+--------------------+--------------------| | 2F8 | pins 2 & 3 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 2E8 | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 3E8 | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | Disabled | pins 1 & 2 closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CONFIGURATION | |------------------------------------------------------------| | DMA | JW5 | JW6 | |------------------+--------------------+--------------------| | 1 | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 3 | pins 2 & 3 closed | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDE SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | J5 | J6 | |------------------+--------------------+--------------------| | 1 | pins 1 & 2 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 0 | pins 2 & 3 closed | pins 2 & 3 closed | |------------------+--------------------+--------------------| | 2 | pins 1 & 2 closed | pins 1 & 2 closed | +------------------------------------------------------------+