ACHME COMPUTER, INC.
MS-4138
Processor |
SL80486SX/80486SX/AM486DXL/CXM7/SL80486DX/80486DX/80486DX2/ Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
32MB |
Cache |
128/256/512KB |
BIOS |
AMI |
Dimensions |
254mm x 218mm |
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 (monitor) |
JG1 |
Speaker |
JFP pins 6 - 10 |
Green PC LED |
JG2 |
Turbo LED |
JFP pins 12 - 13 |
Green PC connector |
JG3 |
Turbo switch |
JFP pins 15 - 17 |
32-bit VESA local bus slots |
SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Battery type select internal |
JB |
pins 2 & 3 closed |
Battery type select external |
JB |
Closed | |
|
Factory configured - do not alter |
JC5 |
N/A |
|
Monitor type select monochrome |
JP1 |
Open |
Monitor type select color |
JP1 |
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 |
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 |
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
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 |
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
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) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
NONE |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M 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 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
40MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
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) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
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) 8M x 36 |
(1) 8M x 36 |
80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M 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) 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) 128K 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 |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
512KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
CPU TYPE CONFIGURATION | ||
Type |
JC1 |
JC2 |
SL80486SX |
2 & 3, 7 & 8, 9 & 10, 12 & 13 |
10 & 11 |
80486SX |
7 & 8 |
10 & 11 |
AM486DXL |
7 & 8, 11 & 12 |
5 & 6, 7 & 8, 9 & 10, 11 & 12 |
CXM7 |
1 & 2, 3 & 12, 4 & 11, 5 & 10, 7 & 8 |
4 & 13, 7 & 8, 9 & 10, 11 & 12 |
SL80486DX |
2 & 3, 7 & 8, 9 & 10, 12 & 13 |
7 & 8, 9 & 10, 11 & 12 |
80486DX |
7 & 8 |
7 & 8, 9 & 10, 11 & 12 |
80486DX2 |
7 & 8 |
7 & 8, 9 & 10, 11 & 12 |
Pentium Overdrive |
2 & 3, 7 & 8, 9 & 10, 12 & 13 |
6 & 7, 9 & 10, 11 & 12 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | ||
Type |
JC3 |
JC4 |
SL80486SX |
pins 1 & 2 closed |
pins 1 & 2 closed |
80486SX |
Open |
pins 1 & 2 closed |
AM486DXL |
pins 2 & 3 closed |
pins 3 & 4 closed |
CXM7 |
pins 1 & 2 closed |
pins 3 & 4 closed |
SL80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
80486DX2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
Pentium Overdrive |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION | ||
Speed |
JK1 |
JK2 |
25MHz |
Open |
pins 2 & 3 closed |
33MHz |
pins 2 & 5, 3 & 4 closed |
pins 2 & 3 closed |
40MHz |
pins 3 & 4 closed |
pins 2 & 3 closed |
50iMHz |
Open |
pins 2 & 3 closed |
50MHz |
pins 1 & 6, 2 & 5 closed |
pins 1 & 2 closed |
66iMHz |
pins 2 & 5, 3 & 4 closed |
pins 2 & 3 closed |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP2 |
0 wait states |
Open |
1 wait state |
Closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP3 |
<= 33MHz |
Open |
> 33MHz |
Closed |