PROSYS
IDEAL 486
Processor |
80486DX |
Processor Speed |
25/33/40/50MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
32MB |
Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
4167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J4 |
Reset switch |
W7 |
Speaker |
J6 |
Turbo LED |
W11 |
Power LED & keylock |
J7 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
CPU speed select fast |
J5 |
pins 1 & 2 closed |
CPU speed select slow |
J5 |
Open | |
» |
Disk write select 1 wait state |
J8 |
pins 2 & 3 closed |
Disk write select 0 wait states |
J8 |
pins 1 & 2 closed | |
» |
Monitor type select color |
W8 |
Open |
Monitor type select monochrome |
W8 |
Closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(4) 16K x 4 |
128KB |
(4) 32K x 8 |
NONE |
(4) 16K x 4 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(4) 16K x 4 |
CACHE JUMPER CONFIGURATION | |||||
Size |
W1 |
W2 |
W3 |
W4 |
W5 |
64KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
128KB |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
Note:Pins designated should be in the closed position. |