FIRST INTERNATIONAL COMPUTER, INC.
486-PIO-3 (REV. A1)
|
Processor |
80486SX/UMCU5SD/CX486DX/80486DX/UMCU5S/UMCU5SLV/ CX486DX2/TI486DX2/AM486DX2/(SL)AM486DX2/ 80486DX2/ 80486DX4ODP/CX486DX4/TI486DX4/AM486DX4/(SL)AM486DX4/ 80486DX4/AMK5/P24D/P24S/P24T/CX5X86 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/133(internal)MHz |
|
Chip Set |
VIA |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512/1024KB |
|
BIOS |
Award |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), IR connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
BAT |
Serial port 1 |
CN1 |
|
Chassis fan power |
C1 |
Serial port 2 |
CN2 |
|
Green PC connector |
C3 |
Parallel port |
CN3 |
|
Outlet connector |
C4 |
Floppy drive interface |
CN4 |
|
Turbo/green PC LED |
C5 |
IDE interface 2 |
CN5 |
|
IDE interface LED |
C6 |
IDE interface 1 |
CN6 |
|
Reset switch |
C7 |
IR connector |
IR |
|
Power LED & keylock |
C8 |
32-bit PCI slots |
PC1 - PC3 |
|
Speaker |
C9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Flash BIOS type select Intel 28F00BX-T1 |
J1 |
Pins 1 & 2 closed | |
|
Flash BIOS type select SST 29EE010 |
J1 |
Pins 2 & 3 closed | |
|
|
KB_LOCK mode select KB_LOCK |
J2 |
Pins 2 & 3 closed |
|
KB_LOCK mode select IOCHCK |
J2 |
Pins 1 & 2 closed | |
|
|
Turbo LED used as turbo LED |
J3 |
Open |
|
Turbo LED used as green PC LED |
J3 |
Closed | |
|
|
Password normal operation |
JCP |
Open |
|
Password clear |
JCP |
Closed | |
|
|
Parallel port bidirectional |
JI1 |
Open |
|
Parallel port unidirectional |
JI1 |
Closed | |
|
Jumper information unavailable |
JP1 |
Unidentified | |
|
Jumper information unavailable |
JP2 |
Unidentified | |
|
Monitor type select monochrome/EGA/VGA |
VIDEO |
Closed | |
|
Monitor type select CGA |
VIDEO |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(1) 256K x 36 |
None |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 1M x 36 |
None |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
None |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 8M x 36 |
None |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
None |
(1) 8K/32K x 8 |
|
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
256KB (B) |
(4) 64K x 8 |
None |
(1) 32K x 8 |
|
512KB (A) |
(4) 128K x 8 |
None |
(1) 32K x 8 |
|
512KB (B) |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K/64K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 64K/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 (A) |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
256KB (B) |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
512KB (A) |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
|
512KB (B) |
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 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 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 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 |
|
133iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
CPU TYPE SELECTION | |||||
|
Type |
JC1 |
JC2 |
JC3 |
JC4 |
JC5 |
|
80486SX |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
|
UMC U5SD |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
CX486DX |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
80486DX |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
U5S |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
|
U5SLV |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
|
CX486DX2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
TI486DX2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
AM486DX2 |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
|
(SL)AM486DX2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
80486DX2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
CX486DX4 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
|
TI486DX4 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
AM486DX4 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
|
(SL)AM486DX4 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
|
80486DX4ODP |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
|
80486DX4 (2x) |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
80486DX4 (3x) |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
|
AM X5 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
P24D |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
|
P24S |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
P24T |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Closed |
|
CX5X86 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
Open |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE SELECTION | |||
|
Type |
RNA |
RNC |
RNI |
|
80486SX |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
UMC U5SD |
Installed |
Not installed |
Not installed |
|
CX486DX |
Not installed |
Installed |
Not installed |
|
80486DX |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
U5S |
Installed |
Not installed |
Not installed |
|
U5SLV |
Installed |
Not installed |
Not installed |
|
CX486DX2 |
Not installed |
Installed |
Not installed |
|
TI486DX2 |
Not installed |
Installed |
Not installed |
|
AM486DX2 |
Installed |
Not installed |
Not installed |
|
(SL)AM486DX2 |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
80486DX2 |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
CX486DX4 |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
TI486DX4 |
Not installed |
Installed |
Not installed |
|
AM486DX4 |
Installed |
Not installed |
Not installed |
|
(SL)AM486DX4 |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
80486DX4ODP |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
80486DX4 (2x) |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
80486DX4 (3x) |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
AM X5 |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
P24D |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
P24S |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
P24T |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
CX5X86 |
Not installed |
Not installed |
Pins 1 - 8 closed |
|
CPU VOLTAGE SELECTION | |||
|
Voltage |
C2 |
JPW1 |
JPW2 |
|
3.3v |
Open |
Pins 1 & 2 closed |
Open |
|
3.45v |
Open |
Pins 2 & 3 closed |
Open |
|
3.6v |
Open |
Open |
Pins 1 & 2 closed |
|
4v |
Open |
Open |
Pins 2 & 3 closed |
|
5v |
Pins 1 & 2, 3 & 4 closed |
N/A |
N/A |
|
PCI BUS SPEED SELECTION | |||
|
CPU Clock |
JCK |
JT1 | |
|
<= 33MHz (PCI clock = CPU clock) |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
>33 MHz (PCI clock = CPU clock/2) |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
DMA CHANNEL SELECTION | |||
|
Channel |
JW3 |
JW4 | |
|
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
SERIAL PORT 2 SELECTION | ||
|
Setting |
JW1 |
JW2 |
|
Used as Serial port 2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Used as IR connector |
Pins 2 & 3 closed |
Pins 2 & 3 closed |