|
486-PIO-2
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 (CON’T)
|
|
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 (CON’T)
|
|
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 (CON’T)
|
|
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
|
|