MICRO-STAR INTERNATIONAL CO., LTD.
MS-4145
|
Processor |
80486SX/SL80486SX/AM486DX/(SL)AM486DX/80486DX/ SL80486DX/CX486DX2/IBM486DX2/SGS486DX2/TI486DX2/ AM486DX2/ODP486DX2/80486DX2/SL80486DX2/SL80486DX4/ P24D/P24T/CX5X86/(SL)AM X5 |
|
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)/133(internal)/160(internal)MHz |
|
Chip Set |
ALI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512KB |
|
BIOS |
Award |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Green PC LED |
JG1 |
|
Serial port 2 |
CN2 |
Power LED & keylock |
JFP/pins 1 - 5 |
|
Floppy drive interface |
CN3 |
Speaker |
JFP/pins 7 - 10 |
|
Parallel port |
CN4 |
Turbo LED |
JFP/pins 12 & 13 |
|
IDE interface 2 |
CN5 |
Turbo switch |
JFP/pins 15 - 17 |
|
IDE interface 1 |
CN6 |
Reset switch |
JFP/pins 19 & 20 |
|
Chassis fan power |
FAN |
IDE interface LED |
JFP/pins 21 & 22 |
|
External battery |
JBAT |
32-bit PCI slots |
PC1 – PC3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
Battery type select internal |
JBAT |
Pins 2 & 3 closed |
|
Battery type select external |
JBAT |
Closed | |
|
» |
Parallel port address select 378 |
JIRQ |
Pins 1 & 2 closed |
|
Parallel port address select 278 |
JIRQ |
Pins 2 & 3 closed | |
|
» |
Factory configured – do not alter |
JS3 |
Unidentified |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
4MB |
(1) 1M x 36 |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
8MB |
(1) 2M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
|
16MB |
(1) 4M x 36 |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
16MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
32MB |
(1) 8M x 36 |
None |
None |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
None |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
None |
|
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
None |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
64MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
None |
(1) 8K/16K/32K x 8 |
|
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K/16K/32K x 8 |
|
256KB (B) |
(2) 64K x 32 |
None |
(1) 8K/16K/32K x 8 |
|
Note: Board also accepts 512KB cache. The chip sizes and jumper settings are unidentified. | |||
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JS1 |
JS2 |
JS4 |
|
128KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
256KB (A) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB (B) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
CPU SPEED SELECTION | ||
|
Speed |
JK1 |
JK2 |
|
25MHz |
Open |
Pins 1 & 2 closed |
|
33MHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
40MHz |
Pins 1 & 2 closed |
Pins 2 & 3, 4 & 5 closed |
|
50iMHz |
Open |
Pins 1 & 2 closed |
|
66iMHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
75iMHz |
Open |
Pins 1 & 2 closed |
|
80iMHz |
Pins 1 & 2 closed |
Pins 2 & 3, 4 & 5 closed |
|
100iMHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
120iMHz |
Pins 1 & 2 closed |
Pins 2 & 3, 4 & 5 closed |
|
133iMHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
160iMHz |
Pins 1 & 2 closed |
Pins 2 & 3, 4 & 5 closed |
|
CPU TYPE SELECTION | |||||
|
Type |
JC1 |
JC2 |
JC3 |
JC4 |
JC5 |
|
80486SX |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
|
SL80486SX |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
|
AM486DX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
(SL)AM486DX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
80486DX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
SL80486DX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
CX486DX2 |
Open |
Closed |
Open |
2 & 3 |
1 & 2 |
|
IBM486DX2 |
Open |
Closed |
Open |
2 & 3 |
1 & 2 |
|
SGS486DX2 |
Open |
Closed |
Open |
2 & 3 |
1 & 2 |
|
TI486DX2 |
Open |
Closed |
Open |
2 & 3 |
1 & 2 |
|
AM486DX2 |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
ODP486DX2 |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
80486DX2 |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
SL80486DX2 |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
SL80486DX4 |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
P24D |
1 & 2, 3 & 4 |
Open |
Open |
2 & 3 |
1 & 2 |
|
P24T |
1 & 2, 3 & 4 |
Open |
Open |
2 & 3 |
1 & 2 |
|
CX5X86 |
1 & 2, 3 & 4 |
Open |
Open |
2 & 3 |
1 & 2 |
|
(SL)AM X5 |
1 & 2, 3 & 4 |
Open |
Open |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE SELECTION | |||
|
Type |
R1 |
R2 |
R2 |
|
80486SX |
Pins 1 – 10 closed |
Not installed |
Not installed |
|
SL80486SX |
Pins 3 – 13 closed |
Not installed |
Not installed |
|
AM486DX |
Pins 1 – 10 closed |
Not installed |
Not installed |
|
(SL)AM486DX |
Pins 1 – 10 closed |
Not installed |
Not installed |
|
80486DX |
Pins 1 – 10 closed |
Not installed |
Not installed |
|
SL80486DX |
Pins 3 – 13 closed |
Not installed |
Not installed |
|
CX486DX2 |
Installed |
Not installed |
Not installed |
|
IBM486DX2 |
Installed |
Not installed |
Not installed |
|
SGS486DX2 |
Installed |
Not installed |
Not installed |
|
TI486DX2 |
Installed |
Not installed |
Not installed |
|
AM486DX2 |
Pins 1 – 10 closed |
Not installed |
Not installed |
|
ODP486DX2 |
Pins 3 – 13 closed |
Not installed |
Not installed |
|
80486DX2 |
Pins 1 – 10 closed |
Not installed |
Not installed |
|
SL80486DX2 |
Pins 3 – 13 closed |
Not installed |
Not installed |
|
SL80486DX4 |
Pins 3 – 13 closed |
Not installed |
Not installed |
|
P24D |
Pins 5 – 14 closed |
Not installed |
Not installed |
|
P24T |
Pins 5 – 14 closed |
Not installed |
Not installed |
|
CX5X86 |
Pins 3 – 13 closed |
Not installed |
Not installed |
|
(SL)AM X5 |
Pins 5 – 14 closed |
Not installed |
Not installed |
|
CPU VOLTAGE SELECTION | |||
|
Voltage |
JP1 |
JV1 | |
| » |
3v |
Open |
Open |
|
4v |
Closed |
Open | |
|
5v |
Open |
Pins 1 & 2, 3 & 4, 5 & 6 closed | |
|
DMA CHANNEL SELECTION | ||
|
Channel |
JP3 |
JP4 |
|
1 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
3 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |