FIRST INTERNATIONAL COMPUTER, INC.
486-PIO-2
Processor |
80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/CX484DX2/ (SL)AM486DX2/AM486DX2/SL80486DX2/(SL)AM486DX4/AM486DX4/CXM1/ 80486DX4/P24D/P24S/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz |
Chip Set |
VIA |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
Parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Floppy drive interface |
CN1 |
External battery |
J6 |
Parallel port |
CN2 |
Green PC connector |
J7 |
Serial port 2 |
CN3 |
Chassis fan power |
J8 |
Serial port 1 |
CN4 |
Power LED & keylock |
J9 |
IDE interface 2 |
CN5 |
Speaker |
J10 |
IDE interface 1 |
CN6 |
Reset switch |
J11 |
IDE interface LED |
J3 |
Turbo switch |
J12 |
Green PC LED |
J4 |
Turbo LED |
J13 |
Outlet connector |
J5 |
32-bit PCI slots |
PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Monitor type select monochrome/EGA/VGA |
J1 |
Open |
Monitor type select CGA |
J1 |
Closed | |
|
CMOS memory normal operation |
J2 |
Open |
CMOS memory clear |
J2 |
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 |
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 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
8MB |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
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 |
(1) 4M x 36 |
NONE |
NONE |
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 |
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 |
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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) 16M x 36 |
NONE |
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) 256K x 36 |
(1) 8M 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) 1M x 36 |
(1) 8M x 36 |
NONE |
69MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
69MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 8M 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 |
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 |
97MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
128KB |
(4) 32K x 8 |
(1) 8K x 8 |
256KB |
(4) 64K x 8 |
(1) 32K x 8 |
512KB |
(4) 128K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size |
JS1 |
JS2 |
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |||||
Type |
JC1 |
JC2 |
JC3 |
JC4 |
JC5 |
80486SX |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
CX486DX |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
SL80486DX |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
UMC U5SD |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
UMC U5S/U5SLV |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
CX486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
SL AM486DX2 |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
AM486DX2 |
Closed |
Open |
1 & 2 |
1 & 2 |
Open |
SL80486DX2 |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
SL AM486DX4 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
AM486DX4 |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
CXM1 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
80486DX4 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
80486DX4 (2x) |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
80486DX4 (3x) |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
P24D (WB) |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
P24D (WT) |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
P24S |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
P24T (WB) |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
P24T (WT) |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||
Type |
RNA |
RNC |
RNI |
80486SX |
Not installed |
Not installed |
pins 1 - 5 closed |
CX486DX |
Not installed |
Installed |
Not installed |
SL80486DX |
Not installed |
Not installed |
pins 1 - 5 closed |
UMC U5SD |
Installed |
Not installed |
Not installed |
UMC U5S/U5SLV |
Installed |
Not installed |
Not installed |
CX486DX2 |
Not installed |
Installed |
Not installed |
SL AM486DX2 |
Not installed |
Not installed |
pins 6 - 10 closed |
AM486DX2 |
Installed |
Not installed |
Not installed |
SL80486DX2 |
Not installed |
Not installed |
pins 1 - 5 closed |
SL AM486DX4 |
Not installed |
Not installed |
pins 6 - 10 closed |
AM486DX4 |
Installed |
Not installed |
Not installed |
CXM1 |
Not installed |
Not installed |
pins 6 - 10 closed |
80486DX4 |
Not installed |
Not installed |
pins 1 - 5 closed |
80486DX4 (2x) |
Not installed |
Not installed |
pins 1 - 5 closed |
80486DX4 (3x) |
Not installed |
Not installed |
pins 1 - 5 closed |
P24D (WB) |
Not installed |
Not installed |
pins 1 - 5 closed |
P24D (WT) |
Not installed |
Not installed |
pins 1 - 5 closed |
P24S |
Not installed |
Not installed |
pins 1 - 5 closed |
P24T (WB) |
Not installed |
Not installed |
pins 1 - 5 closed |
P24T (WT) |
Not installed |
Not installed |
pins 1 - 5 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 |
80iMHz |
pins 1 & 2 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 VOLTAGE CONFIGURATION | |||
Voltage |
CN3V |
JPW1 |
JPW2 |
3.3v |
Open |
1 & 2 |
Open |
3.45v |
Open |
2 & 3 |
Open |
3.6v |
Open |
Open |
1 & 2 |
4v |
Open |
Open |
2 & 3 |
5v |
1 & 2, 3 & 4, 13 & 14, 15 & 16 | ||
Note: Pins designated should be in the closed position. |
DMA CONFIGURATION | ||
DMA |
JEPP1 |
JEPP2 |
DMA 1 |
pins 2 & 3 closed |
pins 2 & 3 closed |
DMA 3 |
pins 1 & 2 closed |
pins 1 & 2 closed |
PARALLEL PORT CONFIGURATION | ||
Setting |
JH |
JG |
Output |
pins 2 & 3 closed |
pins 2 & 3 closed |
Input |
pins 1 & 2 closed |
pins 1 & 2 closed |
Bidirectional |
pins 2 & 3 closed |
Open |
KEYBOARD CONFIGURATION | ||||
Setting |
JX3 |
RN1 |
RN16 |
RN19 |
Internal controller |
pins 1 & 2 closed |
Not installed |
Installed |
Not installed |
External controller |
pins 2 & 3 closed |
Installed |
Not installed |
Installed |
PCI BUS CLOCK CONFIGURATION | ||
DMA |
JCK |
JT1 |
<= 33MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
> 33MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |