UNIDENTIFIED
ACE CACHE 486
Processor | 80486DX |
Processor Speed | 25/33/40MHz |
Chip Set | C & T |
Max. Onboard DRAM | 32MB |
Cache | 64/256KB |
BIOS | AMI/MR/Phoenix |
Dimensions | 330mm x 218 |
I/O Options | 32-bit external memory card |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Reset switch | J10 | External battery | JP1 |
Power LED & keylock | J11 | 32-bit external memory card | S1 |
Speaker | J12 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Battery select internal | JP2 | Closed |
Battery select external | JP2 | Open | |
» | Monitor type select monochrome (AMI/Phoenix BIOS) | JP3 | Open |
Monitor type select color | JP3 | Closed | |
» | Password enabled (MR BIOS) | JP3 | Closed |
Password disabled | JP3 | Open | |
» | Factory configured - do not alter | JP9 | N/A |
» | Onboard DRAM enabled | JP10 & JP11 | pins 1 & 2, 3 & 4 closed |
Onboard DRAM disabled | JP10 & JP11 | pins 2 & 3, 4 & 5 closed | |
» | Factory configured - do not alter | JP28 | Open |
» | Factory configured - do not alter | JP29 | Open |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (4) 256K x 9 | NONE | NONE | NONE |
2MB | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE |
3MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | NONE |
4MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 |
4MB | (4) 1M x 9 | NONE | NONE | NONE |
5MB | (4) 256K x 9 | (4) 1M x 9 | NONE | NONE |
6MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | NONE |
7MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
9MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x 9 | NONE |
10MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 |
12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
13MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x 9 |
16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE | NONE | NONE |
17MB | (4) 4M x 9 | (4) 256K x 9 | NONE | NONE |
18MB | (4) 256K x 9 | (4) 256K x 9 | (4) 4M x 9 | NONE |
19MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | (4) 4M x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 | NONE | NONE |
21MB | (4) 256K x 9 | (4) 1M x 9 | (4) 4M x 9 | NONE |
22MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | (4) 4M x 9 |
24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | NONE |
25MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | (4) 256K x 9 |
28MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE |
33MB | (4) 4M x 9 | (4) 4M x 9 | (4) 256K x 9 | NONE |
34MB | (4) 256K x 9 | (4) 256K x 9 | (4) 4M x 9 | (4) 4M x 9 |
36MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | NONE |
37MB | (4) 4M x 9 | (4) 4M x 9 | (4) 256K x 9 | (4) 1M x 9 |
DRAM CONFIGURATION (CON’T) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
40MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE |
49MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 256K x 9 |
52MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 |
64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
Note:Banks 2 and 3 are used when a 32-bit external memory card is installed at S1. |
CACHE CONFIGURATION | |
Size | Bank 0 |
64KB | (8) 8K x 8 |
256KB | (8) 32K x 8 |
CACHE CONFIGURATION | |||||
Size | JP4 | JP5 | JP6 | JP7 | JP8 |
64KB | 2 & 3 | 2 & 3 | Open | Open | Open |
256KB | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
Note: Pins designated should be in the closed position. |