MICRO-STAR INTERNATIONAL CO., LTD.
MS-4144
Processor |
CX476S/SL80486SX/80486SX/CX486DX/SLAMD486DX/AM486DX/SL80486DX80486DX/AM486DX2/SL80486DX2/80486DX4 |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512/1024KB |
BIOS |
AMI |
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) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port 1 |
CN1 |
Turbo LED |
JFB1 pins 12 - 13 |
Serial port 2 |
CN2 |
Turbo switch |
JFB1 pins 15 - 17 |
Parallel port |
CN3 |
Reset switch |
JFB1 pins 19 - 20 |
Floppy drive interface |
CN4 |
IDE interface LED |
JFB1 pins 21 & 22 |
IDE interface (secondary) |
CN5 |
Green PC LED |
JG1 pins 1 & 2 |
IDE interface (primary) |
CN6 |
Green PC connector |
JG1 pins 3 & 4 |
External battery |
JBAT1 |
Green PC connector (monitor) |
JG2 |
Power LED & keylock |
JFB1 pins 1 - 5 |
Chassis fan power |
JFAN1 |
Speaker |
JFB1 pins 6 - 10 |
32-bit PCI slots |
PC1 - PC3 |
Note: The location of JFAN1 is unidentified. |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Battery type select internal |
JBAT1 |
pins 2 & 3 closed |
Battery type select external |
JBAT1 |
Closed | |
» |
Factory configured - do not alter |
JM1 |
N/A |
» |
Factory configured - do not alter |
JV1 |
N/A |
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 |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
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) 4M x 36 |
NONE |
NONE |
NONE |
17MB |
(1) 256K x 36 |
(1) 4M 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 |
20MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
24MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
36MB |
(1) 512K x 36 |
(1) 512K 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 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
NONE |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
65MB |
(1) 256K x 36 |
(1) 16M x 36 |
NONE |
NONE |
68MB |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
NONE |
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K or (1) 16K or (1) 32K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K or (1) 32K x 8 |
256KB |
(4) 64K x 8 |
NONE |
(1) 16K or (1) 32K x 8 |
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 |
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 64K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JS1 |
JS2 |
JS3 |
JS4 |
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
Open |
pins 3 & 4 closed |
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
Open |
pins 1 & 2, 3 & 4 closed |
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 3 & 4 closed |
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
1MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 3 & 4 closed |
CPU TYPE CONFIGURATION | ||||
Type |
JC5 |
JC6 |
JC7 |
JC8 |
CX486S |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
SL80486SX |
pins 4 & 5 closed |
pins 6 & 7 closed |
Open |
Open |
80486SX |
pins 4 & 5 closed |
pins 6 & 7 closed |
Open |
Open |
CX486DX |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
SL AMD486DX |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
AM486DX |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
SL80486DX |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
80486DX |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
AM486DX2 |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
SL80486DX2 |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
80486DX2 |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
80486DX2 (WB) |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
80486DX4 |
pins 3 & 4, 5 & 6 closed |
pins 4 & 5, 6 & 7 closed |
Open |
Open |
CPU TYPE CONFIGURATION | ||||
Type |
JC1 |
JC2 |
JC3 |
JC4 |
CX486S |
Not installed |
Installed |
Not installed |
Not installed |
SL80486SX |
Installed |
Not installed |
Not installed |
Not installed |
80486SX |
Not installed |
Not installed |
Not installed |
Not installed |
CX486DX |
Not installed |
Installed |
Not installed |
Not installed |
SL AMD486DX |
Not installed |
Not installed |
Not installed |
Not installed |
AM486DX |
Not installed |
Not installed |
Not installed |
Not installed |
SL80486DX |
Installed |
Not installed |
Not installed |
Not installed |
80486DX |
Not installed |
Not installed |
Not installed |
Not installed |
AM486DX2 |
Not installed |
Not installed |
Not installed |
Not installed |
SL80486DX2 |
Installed |
Not installed |
Not installed |
Not installed |
80486DX2 |
Not installed |
Not installed |
Not installed |
Not installed |
80486DX2 (WB) |
Installed |
Not installed |
Installed |
Not installed |
80486DX4 |
Installed |
Not installed |
Not installed |
Not installed |
CPU SPEED CONFIGURATION | |
Speed |
JK1 |
25MHz |
pins 7 & 8 closed |
33MHz |
pins 1 & 2, 3 & 4, 7 & 8 closed |
40MHz |
pins 3 & 4, 9 & 10 closed |
50iMHz |
pins 7 & 8 closed |
50MHz |
pins 1 & 2, 5 & 6, 9 & 10 closed |
66iMHz |
pins 1 & 2, 3 & 4, 7 & 8 closed |
75iMHz |
pins 7 & 8 closed |
100iMHz |
pins 1 & 2, 3 & 4, 7 & 8 closed |
CPU VOLTAGE CONFIGURATION | ||
Voltage |
jcv3 |
jcv4 |
3.45v |
pins 1 & 2, 3 & 4, 5 & 6 closed |
Open |
3.8v |
pins 1 & 2, 3 & 4, 5 & 6 closed |
Closed |
5v |
pins 7 & 8, 9 & 10, 11 & 12 closed |
Open |
DACK/DRQ CONFIGURATION | |
DACK/DRQ |
JDRQ1 |
DACK1/DRQ1 |
pins 1 & 2, 4 & 5 closed |
DACK3/DRQ3 |
pins 2 & 3, 5 & 6 closed |