FIRST INTERNATIONAL COMPUTER, INC.
486-PVT-IO
Processor |
CX486S/80486SX/SL80486SX/AM486DX/CX486DXV/CX486DX/80486DX/ AM486DX2/CX486DX2V/CX486DX2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24CT/P24D/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
VIA |
Max. Onboard DRAM |
128MB |
Cache |
256/512/1024KB |
BIOS |
Award |
Dimensions |
244mm 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, PS/2 mouse interface, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
CN2 |
External battery |
J6 |
PS/2 mouse interface |
CN3 |
Chassis fan power |
J7 |
Game interface |
CN5 |
Green PC connector |
J9 |
IDE interface (primary) |
CN6 |
Daughter board connector |
J10 |
IDE interface (secondary) |
CN7 |
IDE interface LED |
J13 |
Parallel port |
CN9 |
Turbo LED |
J14 |
Serial port 2 |
CN10 |
Turbo switch |
J15 |
Serial port 1 |
CN11 |
Speaker |
J16 |
Floppy drive interface |
CN12 |
Reset switch |
J17 |
Green PC connector |
J1 |
Power LED & keylock |
J18 |
Green PC LED |
J2 |
32-bit VESA local bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
IDE interface enabled |
JG |
pins 2 & 3 closed |
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 bidirectional |
JI |
Open | |
Parallel port unidirectional (printer) |
JI |
Closed | |
CMOS memory normal operation |
JCP |
Open | |
|
CMOS memory clear |
JCP |
Closed |
Monitor type select monochrome/EGA/VGA |
J4 |
Open | |
|
Monitor type select CGA |
J4 |
Closed |
IDE interface pin 27 open |
JP1 |
Open | |
|
IDE interface pin 27 linked to IOCHRDY signal |
JP1 |
Closed |
|
Game port enabled |
JW7 |
pins 2 & 3 closed |
Game port disabled |
JW7 |
pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
1MB |
NONE |
(1) 256K x 36 |
NONE |
NONE |
1MB |
NONE |
NONE |
(1) 256K x 36 |
NONE |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
2MB |
(1) 256K x 36 |
NONE |
(1) 256K x 36 |
NONE |
2MB |
NONE |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
2MB |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
3MB |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
3MB |
(1) 256K x 36 |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
4MB |
NONE |
(1) 1M x 36 |
NONE |
NONE |
4MB |
NONE |
NONE |
(1) 1M x 36 |
NONE |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
5MB |
(1) 256K x 36 |
NONE |
(1) 1M x 36 |
NONE |
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
5MB |
(1) 1M x 36 |
NONE |
(1) 256K x 36 |
NONE |
5MB |
NONE |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
5MB |
NONE |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
6MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
6MB |
NONE |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
6MB |
(1) 1M x 36 |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
7MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
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 |
8MB |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
NONE |
8MB |
NONE |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
9MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
9MB |
NONE |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
9MB |
(1) 256K x 36 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
12MB |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
13MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
NONE |
(1) 4M x 36 |
NONE |
NONE |
16MB |
NONE |
NONE |
(1) 4M x 36 |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
17MB |
(1) 256K x 36 |
NONE |
(1) 4M x 36 |
NONE |
17MB |
NONE |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
17MB |
NONE |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
18MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
18MB |
NONE |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
19MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
20MB |
(1) 1M x 36 |
NONE |
(1) 4M x 36 |
NONE |
20MB |
NONE |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
20MB |
NONE |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
21MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
21MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
21MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
21MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
22MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
24MB |
NONE |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
25MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
28MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
32MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
32MB |
NONE |
(1) 8M x 36 |
NONE |
NONE |
32MB |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
33MB |
NONE |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
33MB |
(1) 256K x 36 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
34MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
36MB |
NONE |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
36MB |
(1) 1M x 36 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
37MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
37MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
49MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
NONE |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
65MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
66MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
66MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
66MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
68MB |
NONE |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
68MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
69MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
69MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
69MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
72MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
72MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
81MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
81MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
84MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
84MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 or (1) 32K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
256KB |
(4) 64K x 8 |
NONE |
(1) 32K x 8 |
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 |
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 64K x 8 or (1) 128K x 8 |
CACHE JUMPER CONFIGURATION | ||||||
Size |
JS1 |
JS2 |
JS3 |
JS4 |
JS5 |
JS6 |
128KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
256KB |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
512KB |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||||
Type |
JC1 |
JC2 |
JC3 |
JC4 |
JX2 |
CX486S |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
2 & 3 |
80486SX |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
SL80486SX |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
AM486DX |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
cx486dxV |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
cx486dx |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
80486DX |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
AM486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
cx486dx2V |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
cx486dx2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
80486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JC1 |
JC2 |
JC3 |
JC4 |
JX2 |
SL80486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
AM486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
80486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
P24CT |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
1 & 2 |
P24D |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
1 & 2 |
P24T |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||||
Type |
RN26 |
RN27 |
RN28 |
RN32 |
CX486S |
Not installed |
Installed |
Not installed |
Not installed |
80486SX |
Not installed |
Not installed |
Installed |
Not installed |
SL80486SX |
Not installed |
Not installed |
Installed |
Not installed |
AM486DX |
Not installed |
Not installed |
Not installed |
Installed |
cx486dxV |
Not installed |
Installed |
Not installed |
Not installed |
cx486dx |
Not installed |
Installed |
Not installed |
Not installed |
80486DX |
Not installed |
Not installed |
Installed |
Not installed |
AM486DX2 |
Not installed |
Not installed |
Not installed |
Installed |
cx486dx2V |
Not installed |
Installed |
Not installed |
Not installed |
cx486dx2 |
Not installed |
Installed |
Not installed |
Not installed |
80486DX2 |
Not installed |
Not installed |
Installed |
Not installed |
SL80486DX2 |
Not installed |
Not installed |
Installed |
Not installed |
AM486DX4 |
Not installed |
Not installed |
Not installed |
Installed |
80486DX4 |
Not installed |
Not installed |
Installed |
Not installed |
P24CT |
Installed |
Not installed |
Installed |
Not installed |
P24D |
Installed |
Not installed |
Installed |
Not installed |
P24T |
Not installed |
Not installed |
Installed |
Not installed |
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 2 & 3 closed |
pins 1 & 2 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 (AM486DX2 ONLY) | ||
Speed |
J19 |
J20 |
2x |
Closed |
Closed |
3x |
Open |
Open |
CPU VOLTAGE CONFIGURATION | ||
Voltage |
J2 |
J3 |
3.45v |
Open |
Open |
3.6v |
Open |
pins 1 & 2 closed |
4v |
Open |
pins 2 & 3 closed |
Note: Jumpers J2 & J3 are located on the daughter board. |
DAUGHTER BOARD CONFIGURATION | |
Setting |
J10 |
Not installed |
pins 1 & 2, 3 & 4, 13 & 15, 15 & 16 closed |
Installed |
Closed |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JV1 |
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 |
DMA CONFIGURATION | ||
DMA |
JW5 |
JW6 |
DMA 1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
DMA 3 |
pins 2 & 3 closed |
pins 2 & 3 closed |
IDE R/W SIGNAL CONFIGURATION | ||
Type |
JR1 |
JR2 |
VT82C496G |
pins 2 & 3 closed |
pins 2 & 3 closed |
W83758 |
pins 1 & 2 closed |
pins 1 & 2 closed |
IDE CONFIGURATION | ||
Setting |
J5 |
JP2 |
IDE interface pin 28 open |
Open |
Open |
IDE interface pin 28 linked to BALE signal |
Closed |
Closed |
PARALLEL PORT CONFIGURATION | ||
Type |
JW3 |
JW4 |
|
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 |
PARALLEL PORT CONFIGURATION | ||
Address |
JE |
JF |
378H |
pins 1 & 2 closed |
pins 2 & 3 closed |
278H |
pins 2 & 3 closed |
pins 1 & 2 closed |
3BCH |
pins 2 & 3 closed |
pins 2 & 3 closed |
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
SERIAL PORT 1 CONFIGURATION | ||
Address |
JA |
JB |
3F8H |
pins 2 & 3 closed |
pins 1 & 2 closed |
2E8H |
pins 2 & 3 closed |
pins 2 & 3 closed |
3E8H |
pins 1 & 2 closed |
pins 2 & 3 closed |
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
SERIAL PORT 2 CONFIGURATION | ||
Address |
JC |
JD |
378H |
pins 2 & 3 closed |
pins 1 & 2 closed |
2E8H |
pins 1 & 2 closed |
pins 2 & 3 closed |
3E8H |
pins 2 & 3 closed |
pins 2 & 3 closed |
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |