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 Speed  | 
 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz  | 
| 
 Chip Set  | 
 VIA  | 
| 
 Max. Onboard DRAM  | 
 64MB  | 
| 
 Cache  | 
 64/128/256KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 254mm x 218mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slots (2), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 PS/2 mouse interface  | 
 CN1  | 
 Turbo switch  | 
 J12  | 
| 
 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 & keylock  | 
 J16  | 
| 
 Floppy drive interface  | 
 CN9  | 
 Green PC connector  | 
 J17  | 
| 
 Parallel port  | 
 CN10  | 
 Green PC connector  | 
 J23  | 
| 
 IDE interface (primary)  | 
 CN11  | 
 Green PC connector  | 
 J24  | 
| 
 IDE interface (secondary)  | 
 CN12  | 
 IDE interface LED (secondary)  | 
 J25  | 
| 
 External battery  | 
 J1  | 
 32-bit VESA local bus slots  | 
 SL1 & SL2  | 
| 
 IDE interface LED (primary)  | 
 J8  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Monitor type select monochrome/EGA/VGA  | 
 J2  | 
 Open  | 
| 
 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 others  | 
 JCX2  | 
 pins 1 & 2 closed  | 
| 
 CX486S/DX P24D  | 
 JCX2  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP1  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP2  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Cache type select write through  | 
 JT1  | 
 Open  | 
| 
 Cache type select write back  | 
 JT1  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JW1  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JW2  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JX1  | 
 pins 2 & 3 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 (printer)  | 
 JI  | 
 Closed  | 
| 
 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 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 3MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 5MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 7MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 12MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 12MB  | 
 NONE  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 12MB  | 
 NONE  | 
 NONE  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 NONE  | 
 NONE  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 17MB  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 18MB  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 19MB  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 20MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 21MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 22MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 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  | 
 NONE  | 
 NONE  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 33MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 34MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 36MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 40MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 48MB  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 48MB  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 NONE  | 
 NONE  | 
 (1) 8M x 36  | 
 (1) 8M x 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 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 128KB  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 256KB  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 CPU TYPE CONFIGURATION  | ||||
| 
 Type  | 
 JC1  | 
 JC2  | 
 JC3  | 
 JC4  | 
| 
 CX486S  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80486SX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486DX  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 AM486DX  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80486DX  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80486DX2  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P4S  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P23S  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P24C  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 P24CT  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 P24D  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 2 & 3 closed  | 
| 
 P24S  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 Pentium Overdrive  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 CPU TYPE CONFIGURATION  | |||||
| 
 Type  | 
 RN20  | 
 RN21  | 
 RN22  | 
 JC5  | 
 JC6  | 
| 
 CX486S  | 
 Not installed  | 
 Installed  | 
 Installed  | 
 Open  | 
 Open  | 
| 
 80486SX  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Open  | 
 Open  | 
| 
 CX486DX  | 
 Not installed  | 
 Installed  | 
 Installed  | 
 Open  | 
 Open  | 
| 
 80486DX  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Open  | 
 Open  | 
| 
 AM486DXL  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
 Open  | 
 Open  | 
| 
 80486DX2  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Open  | 
 Open  | 
| 
 P4S  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Closed  | 
 Closed  | 
| 
 P23S  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Closed  | 
 Closed  | 
| 
 P24C  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Closed  | 
 Closed  | 
| 
 P24CT  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Closed  | 
 Closed  | 
| 
 P24D  | 
 Not installed  | 
 Installed  | 
 Not installed  | 
 Closed  | 
 Closed  | 
| 
 P24S  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Closed  | 
 Closed  | 
| 
 P24T  | 
 Not installed  | 
 Not installed  | 
 Not installed  | 
 Closed  | 
 Closed  | 
| 
 CPU SPEED CONFIGURATION  | ||||
| 
 Speed  | 
 JK1  | 
 JK2  | 
 JK3  | 
 JK4  | 
| 
 25MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 33MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 40MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 50iMHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 50MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 66iMHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 75iMHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 100iMHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 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  |