CACHE COMPUTERS, INC.
CACHE 486-25/33 EISA (Model 321)
Processor |
80486DX |
Processor Speed |
25/33MHz |
Chip Set |
Intel |
Max. Onboard DRAM |
64MB |
Cache |
128/256KB |
BIOS |
Phoenix |
Dimensions |
355mm x 304mm |
I/O Options |
None |
NPU Options |
4167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP4 |
Reset |
JP18 |
Auxiliary keyboard |
JP5 |
Power LED & keylock |
JP19 |
Speaker |
JP17 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Factory configured - do not alter |
JP11 |
N/A |
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 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
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 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
DRAM JUMPER CONFIGURATION | ||||
SIMM Size |
JP9 |
JP10 |
JP13 |
JP14 |
256KB |
pins 1&2 closed |
pins 2&3 closed |
pins 2&3 closed |
pins 2&3 closed |
1MB |
pins 1&2 closed |
pins 1&2 closed |
pins 2&3 closed |
pins 2&3 closed |
4MB |
pins 2&3 closed |
pins 1&2 closed |
pins 1&2 closed |
pins 1&2 closed |
DRAM SWITCH CONFIGURATION | ||||
SIMM Size |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
256KB |
On |
Off |
Off |
Off |
1MB |
Off |
Off |
On |
Off |
4MB |
Off |
On |
On |
Off |
CACHE CONFIGURATION | |
Size |
Bank 0 |
128KB |
(4) 32K x 8 |
256KB |
(8) 32K x 8 |
Note:Locations and sizes of cache and tag are unknown. |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP15 |
JP16 |
JP20 |
JP21 |
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION | |||||
CPU speed |
Bus speed |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
25MHz |
8.33MHz |
On |
On |
Off |
Off |
33MHz |
8.25MHz |
Off |
On |
Off |
Off |