ACHME COMPUTER, INC.
MS-4129 (ISA 486 AL1), ALI 486 NONCACHE
Processor | CX486SX/80486SX/80487SX/AMD486DX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed | 25/33/40/50(internal)/50/66(internal)MHz |
Chip Set | ALI |
Max. Onboard DRAM | 112MB |
Cache | None |
BIOS | AMI |
Dimensions | 220mm x 220mm |
I/O Options | None |
NPU Options | CX487 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Keyboard connector | J3 | Turbo LED | J5 (pins 12-13) |
External battery | J4 | Turbo switch | J5 (pins 15-17) |
Power LED & keylock | J5 (pins 1-5) | Reset switch | J5 (pins 19-20) |
Speaker | J5 (pins 7-10) |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | CN1 | Open |
» | Factory configured - do not alter | CN2 | Open |
» | Factory configured - do not alter | CN3 | Open |
» | Battery type select internal | J4 | pins 2 & 3 closed |
Battery type select external | J4 | Closed | |
» | Monitor type select monochrome | JP4 | Open |
Monitor type select color | JP4 | pins 2 & 3 closed | |
» | CPU type select PGA | JP28 | Open |
CPU type select PQFP | JP28 | Closed |
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Bank 2 |
1MB | (4) 256K x 9 | NONE | NONE |
1MB | NONE | (1) 256K x 36 | NONE |
1MB | NONE | NONE | (1) 256K x 36 |
1MB | NONE | (1) 256K x 36 | NONE |
2MB | (4) 256K x 9 | (1) 256K x 36 | NONE |
2MB | NONE | (1) 512K x 36 | NONE |
2MB | NONE | NONE | (1) 512K x 36 |
2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
2MB | NONE | (1) 512K x 36 | NONE |
3MB | (4) 256K x 9 | (1) 512K x 36 | NONE |
3MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 |
3MB | NONE | (1) 256K x 36 | (1) 512K x 36 |
3MB | NONE | (1) 512K x 36 | (1) 256K x 36 |
4MB | (4) 1M x 9 | NONE | NONE |
4MB | (4) 256K x 9 | (1) 512K x 36 | (1) 256K x 36 |
4MB | NONE | (1) 1M x 36 | NONE |
4MB | NONE | NONE | (1) 1M x 36 |
4MB | NONE | (1) 512K x 36 | (1) 512K x 36 |
4MB | NONE | (1) 1M x 36 | NONE |
5MB | (4) 256K x 9 | (1) 1M x 36 | NONE |
5MB | NONE | (1) 256K x 36 | (1) 1M x 36 |
5MB | NONE | (1) 1M x 36 | (1) 256K x 36 |
6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 |
6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 |
6MB | (1) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 |
6MB | NONE | (1) 512K x 36 | (1) 1M x 36 |
7MB | (4) 256K x 9 | (1) 512K x 36 | (1) 1M x 36 |
7MB | (1) 1M x 9 | (1) 512K x 36 | (1) 256K x 36 |
8MB | NONE | (1) 2M x 36 | NONE |
8MB | NONE | NONE | (1) 2M x 36 |
8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
8MB | NONE | (1) 2M x 36 | NONE |
DRAM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
9MB | (4) 256K x 9 | (1) 2M x 36 | NONE |
9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 |
9MB | (1) 1M x 9 | (1) 256K x 36 | (1) 1M x 36 |
9MB | (1) 1M x 9 | (1) 1M x 36 | (1) 256K x 36 |
9MB | NONE | (1) 256K x 36 | (1) 2M x 36 |
10MB | NONE | (1) 512K x 36 | (1) 2M x 36 |
10MB | NONE | (1) 2M x 36 | (1) 256K x 36 |
10MB | (4) 256K x 9 | (1) 2M x 36 | (1) 256K x 36 |
10MB | (1) 1M x 9 | (1) 512K x 36 | (1) 1M x 36 |
10MB | NONE | (1) 2M x 36 | (1) 512K x 36 |
12MB | (1) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
12MB | NONE | (1) 1M x 36 | (1) 2M x 36 |
12MB | NONE | (1) 2M x 36 | (1) 1M x 36 |
13MB | (4) 256K x 9 | (1) 2M x 36 | (1) 1M x 36 |
13MB | (1) 1M x 9 | (1) 2M x 36 | (1) 256K x 36 |
16MB | (4) 4M x 9 | NONE | NONE |
16MB | (1) 1M x 9 | (1) 2M x 36 | (1) 1M x 36 |
16MB | NONE | (1) 4M x 36 | NONE |
16MB | NONE | NONE | (1) 4M x 36 |
16MB | NONE | (1) 2M x 36 | (1) 2M x 36 |
16MB | NONE | (1) 4M x 36 | NONE |
17MB | (4) 256K x 9 | (1) 4M x 36 | NONE |
17MB | NONE | (1) 256K x 36 | (1) 4M x 36 |
17MB | NONE | (1) 4M x 36 | (1) 256K x 36 |
18MB | (4) 256K x 9 | (1) 256K x 36 | (1) 4M x 36 |
18MB | (4) 256K x 9 | (1) 4M x 36 | (1) 256K x 36 |
18MB | (1) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 |
18MB | NONE | (1) 512K x 36 | (1) 4M x 36 |
18MB | (1) 4M x 36 | NONE | (1) 512K x 36 |
18MB | NONE | (1) 4M x 36 | (1) 512K x 36 |
19MB | (4) 256K x 9 | (1) 512K x 36 | (1) 4M x 36 |
19MB | (1) 4M x 9 | (1) 512K x 36 | (1) 256K x 36 |
20MB | NONE | (1) 1M x 36 | (1) 4M x 36 |
20MB | NONE | (1) 4M x 36 | (1) 1M x 36 |
21MB | (4) 256K x 9 | (1) 1M x 36 | (1) 4M x 36 |
21MB | (4) 256K x 9 | (1) 4M x 36 | (1) 1M x 36 |
21MB | (1) 1M x 9 | (1) 256K x 36 | (1) 4M x 36 |
21MB | (1) 1M x 9 | (1) 4M x 36 | (1) 256K x 36 |
21MB | (1) 4M x 9 | (1) 256K x 36 | (1) 1M x 36 |
21MB | (1) 4M x 9 | (1) 1M x 36 | (1) 256K x 36 |
22MB | (1) 1M x 9 | (1) 512K x 36 | (1) 4M x 36 |
22MB | (1) 4M x 9 | (1) 512K x 36 | (1) 1M x 36 |
24MB | (1) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 |
24MB | (1) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 |
DRAM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
24MB | (1) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
24MB | NONE | (1) 2M x 36 | (1) 4M x 36 |
24MB | NONE | (1) 4M x 36 | (1) 2M x 36 |
25MB | (4) 256K x 9 | (1) 2M x 36 | (1) 4M x 36 |
25MB | (1) 4M x 9 | (1) 2M x 36 | (1) 256K x 36 |
28MB | (1) 1M x 9 | (1) 2M x 36 | (1) 4M x 36 |
28MB | (1) 4M x 9 | (1) 2M x 36 | (1) 1M x 36 |
32MB | NONE | (1) 8M x 36 | NONE |
32MB | NONE | NONE | (1) 8M x 36 |
32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
32MB | NONE | (1) 8M x 36 | NONE |
33MB | (4) 256K x 9 | (1) 8M x 36 | NONE |
33MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 |
33MB | (1) 4M x 9 | (1) 256K x 36 | (1) 4M x 36 |
33MB | (1) 4M x 9 | (1) 4M x 36 | (1) 256K x 36 |
33MB | NONE | (1) 256K x 36 | (1) 8M x 36 |
33MB | NONE | (1) 8M x 36 | (1) 256K x 36 |
34MB | (4) 256K x 9 | (1) 8M x 36 | (1) 256K x 36 |
34MB | (1) 4M x 9 | (1) 512K x 36 | (1) 4M x 36 |
34MB | NONE | (1) 512K x 36 | (1) 8M x 36 |
34MB | NONE | (1) 8M x 36 | (1) 512K x 36 |
36MB | (1) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
36MB | (1) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 |
36MB | (1) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 |
36MB | NONE | (1) 1M x 36 | (1) 8M x 36 |
36MB | NONE | (1) 8M x 36 | (1) 1M x 36 |
37MB | (4) 256K x 9 | (1) 8M x 36 | (1) 1M x 36 |
37MB | (1) 1M x 9 | (1) 8M x 36 | (1) 256K x 36 |
40MB | (1) 1M x 9 | (1) 8M x 36 | (1) 1M x 36 |
40MB | (1) 4M x 9 | (1) 2M x 36 | (1) 4M x 36 |
40MB | NONE | (1) 2M x 36 | (1) 8M x 36 |
40MB | NONE | (1) 8M x 36 | (1) 2M x 36 |
48MB | (1) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
48MB | NONE | (1) 4M x 36 | (1) 8M x 36 |
48MB | NONE | (1) 8M x 36 | (1) 4M x 36 |
49MB | (4) 256K x 9 | (1) 8M x 36 | (1) 4M x 36 |
49MB | (1) 4M x 9 | (1) 8M x 36 | (1) 256K x 36 |
52MB | (1) 1M x 9 | (1) 8M x 36 | (1) 4M x 36 |
52MB | (1) 4M x 9 | (1) 8M x 36 | (1) 1M x 36 |
64MB | (4) 16M x 9 | NONE | NONE |
64MB | (1) 4M x 9 | (1) 8M x 36 | (1) 4M x 36 |
64MB | NONE | (1) 8M x 36 | (1) 8M x 36 |
66MB | (4) 16M x 9 | (1) 256K x 36 | (1) 256K x 36 |
67MB | (4) 16M x 9 | (1) 512K x 36 | (1) 256K x 36 |
DRAM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
69MB | (4) 16M x 9 | (1) 256K x 36 | (1) 1M x 36 |
69MB | (4) 16M x 9 | (1) 1M x 36 | (1) 256K x 36 |
70MB | (4) 16M x 9 | (1) 512K x 36 | (1) 1M x 36 |
72MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 |
73MB | (4) 16M x 9 | (1) 2M x 36 | (1) 256K x 36 |
76MB | (4) 16M x 9 | (1) 2M x 36 | (1) 1M x 36 |
81MB | (4) 16M x 9 | (1) 256K x 36 | (1) 4M x 36 |
81MB | (4) 16M x 9 | (1) 4M x 36 | (1) 256K x 36 |
82MB | (4) 16M x 9 | (1) 512K x 36 | (1) 4M x 36 |
84MB | (4) 16M x 9 | (1) 1M x 36 | (1) 4M x 36 |
84MB | (4) 16M x 9 | (1) 4M x 36 | (1) 1M x 36 |
88MB | (4) 16M x 9 | (1) 2M x 36 | (1) 4M x 36 |
96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
97MB | (4) 16M x 9 | (1) 8M x 36 | (1) 256K x 36 |
100MB | (4) 16M x 9 | (1) 8M x 36 | (1) 1M x 36 |
112MB | (4) 16M x 9 | (1) 8M x 36 | (1) 4M x 36 |
CPU TYPE CONFIGURATION | ||
Type | JP10 | JP14 |
80486SX | Open | pins 2 & 3 closed |
80487SX | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed |
80486DX/DX2 | pins 2 & 3 closed | pins 1 & 2, 3 & 4 closed |
CPU TYPE CONFIGURATION | |||||||
Type | JP11 | JP12 | JP13 | JP17 | JP18 | JP19 | JP27 |
CX486SX/CX487SX | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | Closed |
Pentium Overdrive | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | Closed |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | ||||
Speed | JP3 | JP16 | JP24 | JP25 |
25MHz | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4 |
33MHz | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, 5 & 6 |
40MHz | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6 |
50iMHz | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4 |
50MHz | 2 & 3 | 2 & 3 | 2 & 3 | 3 & 4 |
66iMHz | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, 5 & 6 |
Note: Pins designated should be in the closed position. |