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 (CONT) | |||
|
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 |