MICRO-STAR INTERNATIONAL CO., LTD.
MS-4137 (VLB 486 AL5)
|
Processor |
80486SX/CX486M7/AMD486DXL/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
ALI |
|
Max. Onboard DRAM |
64MB |
|
Cache |
128/256KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JB |
Reset switch |
JFP (pins 19-20) |
|
Power LED & keylock |
JFP (pins 1-5) |
Green PC connector |
JG1 |
|
Speaker |
JFP (pins 7-10) |
Green PC connector |
JG2 |
|
Green PC connector |
JFP (pins 9-10) |
Green PC connector |
JG3 |
|
Turbo LED |
JFP (pins 12-13) |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Turbo switch |
JFP (pins 15-17) | ||
|
Note: If speaker is installed, JFP (pins 9-10) are not used. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Battery type select internal |
JB |
pins 2 & 3 closed |
|
Battery type select external |
JB |
Closed | |
|
» |
CPU type select Intel/AMD |
JC1 |
pins 1 & 2 closed |
|
CPU type select Cyrix |
JC1 |
pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
JC2 |
Open |
|
» |
Factory configured - do not alter |
JC3 |
Open |
|
» |
Factory configured - do not alter |
JC9 |
Open |
|
» |
CPU type select P24C not installed |
JK5 |
Closed |
|
CPU type select P24C installed |
JK5 |
Open | |
|
» |
Monitor type select monochrome |
JP1 |
pins 1 & 2 closed |
|
Monitor type select color |
JP1 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
NONE |
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) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
7MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
|
7MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
9MB |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
10MB |
(1) 2M x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
10MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
13MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
13MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
18MB |
(1) 4M x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
19MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
|
19MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
21MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
21MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
22MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
22MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
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) 2M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
25MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
28MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
33MB |
(1) 256K x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
34MB |
(1) 512K x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
34MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
36MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
37MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
49MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
|
49MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
52MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K/16K/32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K/32K x 8 |
|
256KB |
(4) 64K x 8 |
NONE |
(1) 16K/32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JS1 |
JS2 |
JS3 |
|
128KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JC4 |
JC5 |
JC6 |
|
80486SX |
2 & 3 |
4 & 5 |
Open |
|
SL80486SX |
2 & 3 |
5 & 6 |
JC5 pin1 & JC6 pin1 |
|
80486DX/DX2 |
1 & 2, 3 & 4 |
4 & 5 |
3 & 4 |
|
CX486M7 |
1 & 2, 3 & 4 |
2 & 3, 5 & 6 |
3 & 4, 5 & 6 |
|
AMD486DXL |
1 & 2, 3 & 4 |
4 & 5 |
3 & 4 |
|
SL80486DX/DX2/DX4 |
1 & 2, 3 & 4 |
5 & 6 |
3 & 4, JC5 pin1 & JC6 pin1 |
|
Pentium Overdrive |
1 & 2, 3 & 4 |
5 & 6 |
2 & 3, JC5 pin1 & JC6 pin1 |
|
Note: Pins designated should be in the closed position. | |||
|
CPU TYPE CONFIGURATION (CON’T) | ||
|
Type |
JC7 |
JC8 |
|
80486SX |
Open |
pins 4 & 5 closed |
|
SL80486SX |
5 & 6 |
JC7 pin1 & JC8 pin1 |
|
80486DX/DX2 |
Open |
4 & 5 |
|
CX486M7 |
2 & 3, 4 & 5 |
4 & 5 |
|
AMD486DXL |
JC6 pin1 & JC7 pin1, JC6 pin5 & JC7 pin5 |
4 & 5 |
|
SL80486DX/DX2/DX4 |
5 & 6 |
4 & 5, JC7 pin1 & JC8 pin1 |
|
Pentium Overdrive |
5 & 6 |
4 & 5, JC7 pin1 & JC8 pin1 |
|
Note: Pins designated should be in the closed position. | ||
|
CPU SPEED CONFIGURATION | ||||
|
Speed |
JK1 |
JK2 |
JK3 |
JK4 |
|
25MHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 6, 4 & 9, 5 & 10 |
|
33MHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 6, 2 & 7, 3 & 8, 4 & 9, 5 & 10 |
|
40MHz |
2 & 3 |
4 & 5 |
2 & 3 |
2 & 7, 5 & 10 |
|
50iMHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 6, 4 & 9, 5 & 10 |
|
50MHz |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 6, 4 & 9 |
|
66iMHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 6, 2 & 7, 3 & 8, 4 & 9, 5 & 10 |
|
75iMHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 6, 4 & 9, 5 & 10 |
|
100iMHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 6, 2 & 7, 3 & 8, 4 & 9, 5 & 10 |
|
Note: Pins designated should be in the closed position. | ||||
|
VOLTAGE CONFIGURATION | |
|
Voltage |
J50 |
|
3.3v |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
5v |
pins 7 & 8, 9 & 10 11 & 12closed |
|
Note: The mainboard can only support 5v when a 3.3v regulator is not installed. | |