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 (CONT) | ||||
|
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. | |||||