FIRST INTERNATIONAL COMPUTER, INC. ================================== 486 GAW-V Processor CX486S/CS487S/CS486DX/80486SX/80486DX/80486DX2/80486DX4/ Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set VIA Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS Award Dimensions 330mm x 218mm I/O 32-bit VESA local bus slot, floppy drive interface, IDE Options interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |--------------------+----------+-----------------+----------| | Green power supply | J1 | Serial port 2 | CN5 | | connector | | | | |--------------------+----------+-----------------+----------| | IDE interface LED | J5 | Parallel port | CN6 | |--------------------+----------+-----------------+----------| | Turbo LED | J9 | VGA port | CN7 | |--------------------+----------+-----------------+----------| | Turbo switch | J10 | VGA feature | CN8 | | | | connector | | |--------------------+----------+-----------------+----------| | Reset switch | J11 | IDE drive | CN9 | | | | interface | | |--------------------+----------+-----------------+----------| | Power LED & | J12 | Floppy drive | CN10 | | keylock | | interface | | |--------------------+----------+-----------------+----------| | Speaker | J13 | Daughter board | CN11 | | | | connector | | |--------------------+----------+-----------------+----------| | PS/2 mouse port | CN3 | 32-bit VESA | SL1 | | | | Local bus slot | | |--------------------+----------+-----------------+----------| | Serial port 1 | CN4 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |-----------------------------------+-----------+------------| |>> | HDD IOCHRDY disabled | J2 | Open | |---+-------------------------------+-----------+------------| | | HDD IOCHRDY enabled | J2 | Closed | |---+-------------------------------+-----------+------------| |>> | HDD BALE disabled | J3 | Open | |---+-------------------------------+-----------+------------| | | HDD BALE enabled | J3 | Closed | |---+-------------------------------+-----------+------------| |>> | Non Intel SL-enhanced CPU | J4, J16, | pins 1 & 2 | | | | JX5 | closed | |---+-------------------------------+-----------+------------| | | Intel SL-enhanced CPU | J4, J16, | pins 2 & 3 | | | | JX5 | closed | |---+-------------------------------+-----------+------------| |>> | CMOS memory normal operation | J7 | Open | |---+-------------------------------+-----------+------------| | | CMOS memory clear | J7 | Closed | |---+-------------------------------+-----------+------------| |>> | Factory configured - do not | J8 | pins 1 & 2 | | | alter | | closed | |---+-------------------------------+-----------+------------| |>> | Adaptec ISA master 1542B/C | J14 | Open | | | SCSI (transfer rate <5.7 | | | | | MB/s) | | | |---+-------------------------------+-----------+------------| | | Adaptec ISA master 1542B/C | J14 | Closed | | | SCSI (transfer rate >5.7 | | | | | MB/s) | | | |---+-------------------------------+-----------+------------| |>> | Intel DX4 clock select (3X) | JC6 | Open | |---+-------------------------------+-----------+------------| | | Intel DX4 clock select (2.5X) | JC6 | pins 1 & 2 | | | | | closed | |---+-------------------------------+-----------+------------| | | Intel DX4 clock select (2X) | JC6 | pins 2 & 3 | | | | | closed | |---+-------------------------------+-----------+------------| |>> | Pentium Overdrive write back | JC7 | Closed | | | enabled | | | |---+-------------------------------+-----------+------------| | | Pentium Overdrive write | JC7 | Open | | | through enabled | | | |---+-------------------------------+-----------+------------| |>> | Intel CPU installed | JC8 | Closed | |---+-------------------------------+-----------+------------| | | Cyrix CPU installed | JC8 | Open | |---+-------------------------------+-----------+------------| |>> | IDE interface enabled | JD3 | pins 1 & 2 | | | | | closed | |---+-------------------------------+-----------+------------| | | IDE interface disabled | JD3 | pins 2 & 3 | | | | | closed | |---+-------------------------------+-----------+------------| |>> | Onboard VGA enabled | JV1, JV2 | pins 2 & 3 | | | | | closed | |---+-------------------------------+-----------+------------| | | Onboard VGA disabled | JV1, JV2 | pins 1 & 2 | | | | | closed | |---+-------------------------------+-----------+------------| |>> | VGA IRQ9 disabled | JV3 | Open | |---+-------------------------------+-----------+------------| | | VGA IRQ9 enabled | JV3 | Closed | |---+-------------------------------+-----------+------------| |>> | DX33 CPU installed | JV4/11 & | Open | | | | 12 | | |---+-------------------------------+-----------+------------| | | DX50/DX4 CPU installed | JV4/11 & | Closed | | | | 12 | | |---+-------------------------------+-----------+------------| |>> | Intel SL enhanced CPU | JX4 | pins 1 & 2 | | | installed | | closed | |---+-------------------------------+-----------+------------| | | Cyrix 486S/DX CPU installed | JX4 | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |------+-------------+-------------+------------+------------| | 8MB | (1) 2M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 12MB | (1) 2M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 12MB | NONE | (1) 2M x 36 | (1) 1M x | NONE | | | | | 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 | (1) 2M x 36 | (1) 1M x 36 | NONE | (1) 1M x | | | | | | 36 | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 2M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 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 | (1) 8M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 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 | (1) 8M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 48MB | NONE | (1) 8M x 36 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 4M x 36 | NONE | (1) 4M x | | | | | | 36 | |------+-------------+-------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 8M x 36 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE | +------------------------------------------------------------+ . +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JK1 | JK2 | JK3 | JK4 | |--------+------------+------------+------------+------------| | 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 66iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | CPU Type | JC1 | JC2 | JC3 | JC4 | |-------------------+----------+----------+--------+---------| | 486SX/P23S/CX486S | pins 2 & | pins 2 & | Open | pins 1 | | | 3 closed | 3 closed | | & 2 | | | | | | closed | |-------------------+----------+----------+--------+---------| | CX486DX/486S-487S | pins 1 & | pins 1 & | Open | pins 1 | | | 2 closed | 2 closed | | & 2 | | | | | | closed | |-------------------+----------+----------+--------+---------| | P24S/P4S | pins 1 & | pins 1 & | Open | pins 1 | | | 2 closed | 2 closed | | & 2 | | | | | | closed | |-------------------+----------+----------+--------+---------| | 80486DX/DX2/DX4 | pins 1 & | pins 1 & | Open | pins 1 | | | 2 closed | 2 closed | | & 2 | | | | | | closed | |-------------------+----------+----------+--------+---------| | Pentium Overdrive | pins 1 & | pins 1 & | Closed | pins 2 | | | 2 closed | 2 closed | | & 3 | | | | | | closed | |-------------------+----------+----------+--------+---------| | P24D | pins 1 & | pins 1 & | Open | pins 2 | | | 2 closed | 2 closed | | & 3 | | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | CPU Type | JC5 | RC1 | RC2 | |----------------+-----------+---------------+---------------| | CX486S/DX | Open | Not installed | Installed | |----------------+-----------+---------------+---------------| | 486SX/DX/DX2 | Open | Not installed | Not Installed | |----------------+-----------+---------------+---------------| | P23S/P24S/P4S | Closed | Not installed | Not installed | |----------------+-----------+---------------+---------------| | P24D/P24CT/DX4 | Closed | Installed | Not installed | +------------------------------------------------------------+ +------------------------------------------------------------+ | HARD DRIVE SPEED SELECT | |------------------------------------------------------------| | Speed | JD1 | JD2 | |------------+-------------------------+---------------------| | Speed 0 | pins 2 & 3 closed | pins 2 & 3 closed | |------------+-------------------------+---------------------| | Speed 1 | pins 1 & 2 closed | pins 2 & 3 closed | |------------+-------------------------+---------------------| | Speed 2 | pins 1 & 2 closed | pins 1 & 2 closed | |------------------------------------------------------------| | Note:Used only with the Promise PDC20230 local bus IDE | | controller card. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE/BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | Wait states | JL1 | JL2 | |-----------+---------------+-------------------+------------| | < 33MHz | 0 wait states | pins 1 & 2 closed | pins 1 & 2 | | | | | closed | |-----------+---------------+-------------------+------------| | > 33MHz | 1 wait state | pins 2 & 3 closed | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | 800 X 600 REFRESH RATES | |------------------------------------------------------------| | Speed | JV4/1 & 2 | JV4/3 & 4 | |--------------------+-------------------+-------------------| | 56MHz (default) | Open | Open | |--------------------+-------------------+-------------------| | 56MHz | Closed | Closed | |--------------------+-------------------+-------------------| | 60MHz | Open | Closed | |--------------------+-------------------+-------------------| | 72MHz | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | 1024 X 768 REFRESH RATES | |------------------------------------------------------------| | Speed | JV4/5 & 6 | JV4/7 & 8 | |---------------------+-------------------+------------------| | Interlaced | Open | Open | |---------------------+-------------------+------------------| | 60Hz non-interlaced | Open | Closed | |---------------------+-------------------+------------------| | 70Hz non-interlaced | Closed | Open | |---------------------+-------------------+------------------| | 72Hz non-interlaced | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VIDEO FONT SETTINGS | |------------------------------------------------------------| | Font | JV4/9 & 10 | |----------------------------------+-------------------------| | Standard fonts | Open | |----------------------------------+-------------------------| | TUV fonts | Closed | |------------------------------------------------------------| | Note: TUV is the German standard for character | | spacing, and may not be compatible with some DOS | | applications. | +------------------------------------------------------------+