MICRO-STAR INTERNATIONAL CO., LTD.
MS-4135
Processor |
AM486SX/80486SX/CX486M7/AM486DX/80486DX/AM486DX2/80486DX2/ 80486DX4/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
Contaq |
Max. Onboard DRAM |
64MB |
Cache |
128/256KB |
BIOS |
AMI/Award |
Dimensions |
270mm x 220mm |
I/O Options |
32-bit PCI slots (4), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JBA |
Speaker |
JM9 pins 7 - 10 |
Green PC connector (monitor) |
JG1 |
Turbo LED |
JM9 pins 12 & 13 |
Green PC connector |
JG2 |
Turbo switch |
JM9 pins 15 - 17 |
Green PC LED |
JG3 |
Reset switch |
JM9 pins 19 & 20 |
Power LED & keylock |
JM9 pins 1 - 5 |
32-bit PCI slots |
PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Battery type select internal |
JBA |
pins 2 & 3 closed |
Battery type select external |
JBA |
Closed | |
CX486M7 3.3v not installed |
JC8 |
Open | |
CX486M7 3.3v installed |
JC8 |
Closed | |
|
Factory configured - do not alter |
JK8 |
pins 1 & 2 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 |
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
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 |
(1) 512K x 36 |
NONE |
(1) 512K x 36 |
NONE |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
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) 2M x 36 |
NONE |
NONE |
NONE |
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
10MB |
(1) 2M x 36 |
NONE |
(1) 512K x 36 |
NONE |
10MB |
(1) 512K x 36 |
NONE |
(1) 2M x 36 |
NONE |
10MB |
(1) 2M x 36 |
NONE |
(1) 512K x 36 |
NONE |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
13MB |
(1) 256K x 36 |
(1) 1M 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 |
16MB |
(1) 2M x 36 |
NONE |
(1) 2M x 36 |
NONE |
16MB |
(1) 2M x 36 |
NONE |
(1) 2M 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) 256K x 36 |
(1) 256K x 36 |
NONE |
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
34MB |
(1) 8M x 36 |
NONE |
(1) 512K x 36 |
NONE |
34MB |
(1) 512K x 36 |
NONE |
(1) 8M x 36 |
NONE |
34MB |
(1) 8M x 36 |
NONE |
(1) 512K x 36 |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
40MB |
(1) 8M x 36 |
NONE |
(1) 2M x 36 |
NONE |
40MB |
(1) 2M x 36 |
NONE |
(1) 8M x 36 |
NONE |
40MB |
(1) 2M x 36 |
NONE |
(1) 8M x 36 |
NONE |
40MB |
(1) 8M x 36 |
NONE |
(1) 2M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
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 |
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 |
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 |
CACHE JUMPER CONFIGURATION | |||
Size |
JS1 |
JS2 |
JS3 |
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
256KB (A) |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
256KB (B) |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU TYPE CONFIGURATION | |||
Type |
JC5 |
JC7 |
JC25 |
80486SX |
pins 2 & 3 closed |
Open |
Closed |
AM486SX |
pins 2 & 3 closed |
Open |
Closed |
AM486DX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Closed |
80486DX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Closed |
AM486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Closed |
80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Closed |
80486DX4 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Open |
Pentium Overdrive |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
Closed |
CPU SPEED CONFIGURATION | |||||
Speed |
JC12 |
JK1 |
JK2 |
JK3 |
JK7 |
25MHz |
Open |
Open |
Open |
Closed |
1 & 2 |
33MHz |
Open |
Closed |
Closed |
Open |
1 & 2 |
40MHz |
Closed |
Open |
Closed |
Open |
2 & 3 |
50iMHz |
Open |
Open |
Open |
Closed |
1 & 2 |
66iMHz |
Open |
Closed |
Closed |
Open |
1 & 2 |
75iMHz |
Open |
Open |
Open |
Closed |
1 & 2 |
100iMHz |
Open |
Closed |
Closed |
Open |
1 & 2 |
Note: Pins designated should be in the closed position. |
PCI IRQ CONFIGURATION (SLOT 1) | |||
Card type/slot # |
INT/IRQ |
JP1 |
JP2 |
NCR slot 2 |
IRQ11/INTA |
pins 10 & 11 closed |
pins 7 & 8 closed |
Adaptec slot 2 |
IRQ11/INTA |
pins 10 & 11 closed |
pins 7 & 8 closed |
Bus Logic SCSI slot 2 |
IRQ11/INTA |
pins 10 & 11 closed |
pins 7 & 8 closed |
SCSI slot 1 |
IRQ9/INTB |
pins 8 & 9, 10 & 11 closed |
pins 2 & 3, 7 & 8 closed |
SCSI slot 4 |
IRQ9/INTC |
pins 5 & 6, 10 & 11 closed |
pins 2 & 3, 7 & 8 closed |
SCSI slot 1 |
IRQ9/INTA |
pins 1 & 2, 11 & 12 closed |
pins 1 & 2, 8 & 9 closed |
Edge Trigger slot 1 |
IRQ14/INTD |
pins 2 & 3 closed |
pins 16 & 17 closed |
Level Trigger slot 1 |
IRQ14/INTD |
pins 2 & 3 closed |
pins 17 & 18 closed |