FIRST INTERNATIONAL COMPUTER, INC.
486-PAK-2
|
Device Type |
Mainboard |
|
Processor |
CX M6/80486SX/SL80486/CX M7/AM486DX/AM486DXL/80486DX AM486DX2/80486DX2/P4S/P24C/P24D/P24S/P24T/P24CT/ AM486DX4 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
VIA |
|
Video Chip Set |
S3 |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
2MB |
|
Cache |
128/256/512KB |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slot, floppy drive interface, game interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse port |
CN2 |
Game interface |
CN9 |
|
Parallel port |
CN3 |
Floppy drive interface |
CN10 |
|
Serial port 2 |
CN4 |
IDE interface |
J1 |
|
Serial port 1 |
CN5 |
Front panel connectors |
J7 J11 |
|
VGA port |
CN6 |
32-bit VESA local bus slot |
SL1 |
|
VGA feature connector |
CN7 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
HDD BALE disabled |
J2 |
Open |
|
HDD BALE enabled |
J2 |
Closed | |
|
|
Regulator board not installed |
J4 |
Pins 1 & 2, 15 & 16 closed |
|
Regulator board installed |
J4 |
Open | |
|
|
Monitor type select monochrome |
J5 |
Open |
|
Monitor type select color |
J5 |
Closed | |
|
|
Factory configured - do not alter |
J6 |
Unidentified |
|
|
CMOS memory normal operation |
JCP |
Open |
|
CMOS memory clear |
JCP |
Closed | |
|
|
Green LED disabled |
JG1 |
Open |
|
Green LED enabled |
JG1 |
Closed | |
|
|
Outlet enabled |
JG2 |
Open |
|
Outlet disabled |
JG2 |
Closed | |
|
505 riser card installed |
JL3 |
Pins 1 & 2 closed | |
|
505 riser card not installed |
JL3 |
Pins 2 & 3 closed | |
|
|
VGA IRQ9 disabled |
JV1 |
Open |
|
VGA IRQ9 enabled |
JV1 |
Closed | |
|
SIMM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
1MB |
(1) 256K x 36 |
None |
None |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 1M x 36 |
None |
None |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
None |
|
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
SIMM CONFIGURATION (CONT) | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
|
16MB |
(1) 4M x 36 |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
None |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
|
21MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
32MB |
(1) 8M x 36 |
None |
None |
|
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
None |
|
64MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
128KB |
(4) 32K x 8 |
(1) 32K 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 |
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256K x 16 |
None |
|
2MB |
(2) 256K x 16 |
(2) 256K x 16 |
|
CPU SPEED SELECTION | |||
|
Speed |
JK1 |
JK2 |
JK3 |
|
25MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
33MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
40MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
50iMHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
50MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
66iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
75iMHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
100iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
CPU TYPE SELECTION | |||
|
Type |
JC1 |
JC2 |
JC3 |
|
CX M6 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
80486SX |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
SL80486 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
CX M7 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
AM486DX |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
AM486DXL |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
80486DX |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
AM486DX2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
80486DX2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
P4S |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
P24C |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
P24D |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
P24S |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
P24T |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
P24CT |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
AM486DX4 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
CPU TYPE SELECTION (CONT) | ||||
|
Type |
RN16 |
RN17 |
RN30 |
RN31 |
|
CX M6 |
Not installed |
Installed |
Not installed |
Not installed |
|
80486SX |
Not installed |
Not installed |
Not installed |
Installed |
|
SL80486 |
Not installed |
Not installed |
Not installed |
Installed |
|
CX M7 |
Not installed |
Installed |
Not installed |
Not installed |
|
AM486DX |
Not installed |
Not installed |
Not installed |
Installed |
|
AM486DXL |
Not installed |
Not installed |
Installed |
Not installed |
|
80486DX |
Not installed |
Not installed |
Not installed |
Installed |
|
AM486DX2 |
Not installed |
Not installed |
Not installed |
Installed |
|
80486DX2 |
Not installed |
Not installed |
Not installed |
Installed |
|
P4S |
Not installed |
Not installed |
Not installed |
Installed |
|
P24C |
Installed |
Not installed |
Not installed |
Installed |
|
P24D |
Installed |
Not installed |
Not installed |
Installed |
|
P24S |
Not installed |
Not installed |
Not installed |
Installed |
|
P24T |
Installed |
Not installed |
Not installed |
Installed |
|
P24CT |
Installed |
Not installed |
Not installed |
Installed |
|
AM486DX4 |
Not installed |
Not installed |
Not installed |
Installed |
|
CPU WRITE SELECTION | ||
|
Setting |
JC4 | |
|
Write through |
Open | |
|
Write back |
Closed | |
|
AMD CLOCK MODE SELECTION | |
|
Setting |
JC5 |
|
Speed double for DX2-80V/DX4 |
Pins 1 & 2 closed |
|
Speed double for DX2 plus |
Pins 2 & 3 closed |
|
Speed triple for DX2 plus |
Pins 1 & 2 closed |
|
Speed triple for DX2-80V/DX4 |
Pins 2 & 3 closed |
|
VL BUS WAIT STATE SELECTION | ||
|
Setting |
JV2 | |
|
0 |
Pins 1 & 2 closed | |
|
1 |
Pins 2 & 3 closed | |
|
VL BUS SPEED SELECTION | ||
|
Speed |
JV3 | |
|
<= 33MHz |
Pins 1 & 2 closed | |
|
>33 MHz |
Pins 2 & 3 closed | |
|
DMA CHANNEL SELECTION | |||
|
Channel |
JE1 |
JE2 | |
|
Disabled |
Open |
Open | |
|
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
PCICLK SELECTION | ||
|
Setting |
JL1 |
JL2 |
|
PCICLK = CPUCLK |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
PCICLK = CPUCLK/2 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |