FIRST INTERNATIONAL COMPUTER, INC.
486-VIP-IO
|
Processor |
AM486/CX486S/80486SX/CX486DX/80486DX/80486DX2/80486DX4/P4S/ P23S/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 |
64MB |
|
Cache |
128/256/512/1024KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2), 32-bit PCI slots (4), floppy drive interface, 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 port |
CN1 |
Green PC connector |
J21 |
|
PS/2 mouse port |
CN4 |
Green PC connector |
J22 |
|
Serial port 2 |
CN6 |
Chassis fan power |
J24 |
|
Serial port 1 |
CN7 |
3.3v daughter board connector |
J25 |
|
Parallel port |
CN8 |
Speaker |
J28 |
|
Floppy drive interface |
CN9 |
Power LED & keylock |
J29 |
|
IDE interface (secondary) |
CN10 |
Reset switch |
J30 |
|
External battery |
J3 |
Turbo switch |
J31 |
|
IDE interface LED |
J4 |
Turbo LED |
J32 |
|
Green PC connector |
J5 |
32-bit PCI slots |
PC1 - PC4 |
|
IDE interface (primary) |
J6 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
IDE interface LED |
J13 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
CMOS memory normal operation |
J7 |
Open |
|
CMOS memory clear |
J7 |
Closed | |
|
|
IDE connector pin 27 linked to IOCHRDY signal |
J8 |
Open |
|
IDE connector pin 27 open |
J8 |
Closed | |
|
|
IDE connector pin 28 linked to BALE signal |
J11 |
Open |
|
IDE connector pin 28 open |
J11 |
Closed | |
|
|
Factory configured - do not alter |
J20 |
Pins 1 & 2 closed |
|
|
Factory configured - do not alter |
J23 |
Pins 1 & 2 closed |
|
|
VESA IDE enabled |
J26 |
Pins 1 & 2 closed |
|
VESA IDE disabled |
J26 |
Pins 2 & 3 closed | |
|
|
Monitor type select monochrome/EGA/VGA |
J33 |
Open |
|
Monitor type select color |
J33 |
Closed | |
|
|
Cache type select write back |
JC7 |
Pins 1 & 2 closed |
|
Cache type select write through |
JC7 |
Pins 2 & 3 closed | |
|
|
CPU type select Intel/AMD DX4 |
JC8 |
Pins 1 & 2 closed |
|
CPU type select Cyrix DX2-V |
JC8 |
Pins 2 & 3 closed | |
|
|
CPU type select Intel S - series |
JC9 |
Pins 1 & 2 closed |
|
CPU type select P24D/P24T/CX486DX |
JC9 |
Pins 2 & 3 closed | |
|
|
CPU type select Intel DX4 |
JC10 |
Open |
|
CPU type select CX486DX/DX2-V |
JC10 |
Closed | |
|
|
IRQ select IRQ10 |
JT3 |
Pins 2 & 3 closed |
|
IRQ select IRQ14 |
JT3 |
Pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
JX1 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
JX2 |
Pins 2 & 3 closed |
|
|
Factory configured - do not alter |
JX5 |
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 |
|
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 |
|
4MB |
NONE |
(1) 1M x 36 |
NONE |
NONE |
|
4MB |
NONE |
NONE |
(1) 1M x 36 |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
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 |
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) 256K x 36 |
(1) 1M x 36 |
NONE |
|
6MB |
(1) 256K x 36 |
(1) 1M 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) 1M x 36 |
(1) 256K x 36 |
(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 |
|
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 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
16MB |
NONE |
(1) 4M x 36 |
NONE |
NONE |
|
16MB |
NONE |
NONE |
(1) 4M x 36 |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
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) 4M x 36 |
(1) 256K 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) 4M x 36 |
(1) 256K 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) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
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) 4M x 36 |
(1) 1M x 36 |
(1) 256K 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) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
22MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
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) 4M x 36 |
(1) 1M 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 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
32MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
32MB |
NONE |
NONE |
(1) 8M x 36 |
NONE |
|
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K 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) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
34MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
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) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
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 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
NONE |
(1) 8M x 36 |
NONE |
|
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) 128K x 8 |
NONE |
(1) 32K x 8 |
|
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 or (1) 64K 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 |
JC5 |
JC6 |
|
AM486 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
Closed |
|
CX486S |
2 & 3 |
2 & 3 |
Open |
1 & 2 |
Open |
Open |
|
80486SX |
2 & 3 |
2 & 3 |
Open |
1 & 2 |
Open |
Closed |
|
CX486DX |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
Open |
|
80486DX |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
Closed |
|
80486DX2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
Closed |
|
80486DX4 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Closed |
Closed |
|
P4S |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Closed |
Closed |
|
P23S |
2 & 3 |
2 & 3 |
Open |
1 & 2 |
Closed |
Closed |
|
P24S |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Closed |
Closed |
|
P24CT |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
Closed |
Closed |
|
P24D |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Closed |
Closed |
|
P24T |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
Closed |
Closed |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU TYPE CONFIGURATION (CONT) | |||
|
Type |
RN18 |
RN19 |
RN20 |
|
AM486 |
Not installed |
Not installed |
Installed |
|
CX486S |
Installed |
Not installed |
Not installed |
|
80486SX |
Not installed |
Not installed |
Not installed |
|
CX486DX |
Installed |
Not installed |
Not installed |
|
80486DX |
Not installed |
Not installed |
Not installed |
|
80486DX2 |
Not installed |
Not installed |
Not installed |
|
80486DX4 |
Not installed |
Installed |
Not installed |
|
P4S |
Not installed |
Not installed |
Not installed |
|
P23S |
Not installed |
Not installed |
Not installed |
|
P24S |
Not installed |
Not installed |
Not installed |
|
P24CT |
Not installed |
Installed |
Not installed |
|
P24D |
Not installed |
Installed |
Not installed |
|
P24T |
Not installed |
Not installed |
Not installed |
|
Note: The locations of RN18, RN19 & RN 20 are unidentified. | |||
|
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 |
J27 |
|
2.0x |
Pins 2 & 3 closed |
|
2.5x |
Pins 1 & 2 closed |
|
3.0x |
Open |
|
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 |
|
BASE I/O ADDRESS CONFIGURATION | |||||
|
Index address |
Data address |
JF |
JG |
JH | |
|
26EH |
26FH |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
2EH |
2FH |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
15CH |
15DH |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
398H |
399H |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
DMA MODE CONFIGURATION | |||
|
Speed |
JP1 |
JP2 | |
|
DREQ3/DACK3 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
DREQ1/DACK1 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
IDE CONNECTOR CONFIGURATION | ||||
|
IRQ |
J8 |
J9 |
J10 |
J11 |
|
IDE connector pin 27 linked to IOCHRDY signal |
Open |
Open |
N/A |
N/A |
|
IDE connector pin 27 open |
Closed |
Closed |
N/A |
N/A |
|
IDE connector pin 28 linked to BALE signal |
N/A |
N/A |
Open |
Open |
|
IDE connector pin 28 open |
N/A |
N/A |
Closed |
Closed |
|
IDE CONTROLLER CONFIGURATION | ||
|
Speed |
J14 |
J16 |
|
0 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
1 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
IRQ PULL UP/PULL DOWN CONFIGURATION | |||||
|
IRQ |
J1 |
J2 |
J34 |
J35 |
J36 |
|
IRQ5 pull up |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
IRQ5 pull down |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
IRQ9 pull up |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
IRQ9 pull down |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
IRQ10 pull up |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
IRQ10 pull down |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
IRQ11 pull up |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
IRQ11 pull down |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
IRQ14 pull up |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
IRQ14 pull down |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Use pull down setting if PCI card is installed. Pins designated should be in the closed position. | |||||
|
PCI CLOCK CONFIGURATION | ||
|
Setting |
JT4 |
J19 |
|
PCICLK=PCICLK |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
PCICLK=CPUCLK/2 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
KEYBOARD CONTROLLER CONFIGURATION | |||
|
Type |
J17 |
JX3 |
JX4 |
|
External keyboard |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Internal keyboard with PS/2 mouse |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
Internal keyboard without PS/2 mouse |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
KEYBOARD CONTROLLER CONFIGURATION (CONT) | |||
|
Type |
RN1 |
RN2 |
RN3 |
|
External keyboard |
Installed |
Not installed |
Not installed |
|
Internal keyboard with PS/2 mouse |
Not installed |
Installed |
Not installed |
|
Internal keyboard without PS/2 mouse |
Not installed |
Not installed |
Installed |
|
Note: The locations of RN1, RN2, & RN3 are unidentified. | |||