FIRST INTERNATIONAL COMPUTER, INC.
486-PIO-2 (REV. A2)
|
Processor |
80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/ CX486DX2/AM486DX2/(SL)AM486DX2/SL80486DX2/AM486DX4/ (SL)AM486DX4/80486FX4/P24D/P24S/P24T/CXM1 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz |
|
Chip Set |
VIA |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (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 |
Label |
Position | |
|
|
Monitor type select monochrome/EGA/VGA |
J1 |
Open |
|
Monitor type select CGA |
J1 |
Closed | |
|
|
Password normal operation |
J2 |
Open |
|
Password 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) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
6MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
None |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
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 |
|
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) 4M x 36 |
(1) 1M x 36 |
None |
|
20MB |
None |
(1) 1M x 36 |
(1) 4M 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 |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
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 |
|
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) 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) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
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 |
|
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 SPEED SELECTION | ||||
|
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 TYPE SELECTION | ||||
|
Type |
JC2 |
JC3 |
JC4 |
JC5 |
|
80486SX |
Open |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
|
CX486DX |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
SL80486DX |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
UMCU5SD |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
UMCU5S |
Open |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
|
UMCU5SLV |
Open |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
|
CX486DX2 |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
AM486DX2 |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
(SL)AM486DX2 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
SL80486DX2 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
AM486DX4 |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
(SL)AM486DX4 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
80486DX4 (ODP) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
80486DX4 (2x) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
80486DX4 (3x) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
P24D |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
P24S |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
P24T |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Closed |
|
CXM1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
|
CPU TYPE SELECTION (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 |
|
UMCU5SD |
Installed |
Not installed |
Not installed |
|
UMCU5S |
Installed |
Not installed |
Not installed |
|
UMCU5SLV |
Installed |
Not installed |
Not installed |
|
CX486DX2 |
Not installed |
Installed |
Not installed |
|
AM486DX2 |
Installed |
Not installed |
Not installed |
|
(SL)AM486DX2 |
Not installed |
Not installed |
Pins 6 - 10 closed |
|
SL80486DX2 |
Not installed |
Not installed |
Pins 1 - 5 closed |
|
AM486DX4 |
Installed |
Not installed |
Not installed |
|
(SL)AM486DX4 |
Not installed |
Not installed |
Pins 6 - 10 closed |
|
80486DX4 (ODP) |
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 |
Not installed |
Not installed |
Pins 1 - 5 closed |
|
P24S |
Not installed |
Not installed |
Pins 1 - 5 closed |
|
P24T |
Not installed |
Not installed |
Pins 1 - 5 closed |
|
CXM1 |
Not installed |
Not installed |
Pins 6 - 10 closed |
|
CPU VOLTAGE SELECTION | |||
|
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 |
N/A |
N/A |
|
Note: Pins designated should be in the closed position. | |||
|
PCI-BUS CLOCK SELECTION | ||
|
CPU clock |
JCK |
JT1 |
|
<= 33MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
>33 MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
DMA CHANNEL SELECTION | |||
|
Channel |
JEPP1 |
JEPP2 | |
|
1 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
3 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
KEYBOARD SELECTION | |||||
|
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 | |
|
PRINTER PORT SELECTION | |||
|
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 |
N/A | |