MICRONICS COMPUTERS, INC.
386-I CACHE
|
Processor |
80386DX |
|
Processor Speed |
20/25/33MHz |
|
Chip Set |
Micronics |
|
Max. Onboard DRAM |
None |
|
Cache |
32/64KB |
|
BIOS |
Phoenix |
|
Dimensions |
355mm x 305mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J2 |
Auxiliary keyboard |
J25 |
|
32-bit external memory card |
J20 |
Reset switch |
W1 |
|
Power LED & keylock |
J21 |
Turbo LED |
W9 |
|
Speaker |
J22 |
Turbo switch |
W15 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Factory configured - do not alter |
SW1/1 |
On | |
|
NPU select 3167 or none |
SW1/2 |
Off | |
|
NPU select 80387 |
SW1/2 |
On | |
|
Factory configured - do not alter |
SW1/3 |
Off | |
|
Video BIOS shadowing enabled |
SW1/4 |
On | |
|
Video BIOS shadowing disabled |
SW1/4 |
Off | |
|
Factory configured - do not alter |
SW1/5 |
Off | |
|
Monitor type select color |
SW1/6 |
On | |
|
Monitor type select monochrome |
SW1/6 |
Off | |
|
Cache enabled |
SW1/7 |
On | |
|
Cache disabled |
SW1/7 |
Off | |
|
Factory configured - do not alter |
SW1/8 |
Off | |
|
Non-cacheable region select E00000 to EFFFFF |
W22 |
pins 1 & 2 closed | |
|
Non-cacheable region select D00000 to DFFFFF |
W22 |
Open | |
|
Factory configured - do not alter |
W23 |
Open | |
|
Factory configured - do not alter |
W30 |
pins 2 & 3 closed | |
|
Note:The location of W23 & W30 are unidentified. | |||
|
CACHE CONFIGURATION | |||
|
Size |
Organization |
Bank 0 |
Bank 1 |
|
32KB |
directly mapped |
(4) 8K x 8 |
NONE |
|
64KB |
2 way set-associative |
(4) 8K x 8 |
(4) 8K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
W12 |
W13 |
|
32KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
64KB |
Open |
pins 2 & 3 closed |
|
NPU CONFIGURATION | ||
|
Setting |
W7 |
W8 |
|
NPU synchronous with oscillator at U109 |
pins 1 & 2 closed |
Closed |
|
NPU synchronous with CPU |
Open |
Open |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(36) 41256 |
NONE |
|
2MB |
(36) 41256 |
(36) 41256 |
|
4MB |
(36) 411000 |
NONE |
|
5MB |
(36) 41256 |
(36) 411000 |
|
8MB |
(36) 411000 |
(36) 411000 |
|
DRAM JUMPER CONFIGURATION | ||||||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
1MB |
On |
Off |
On |
On |
On |
Off |
Off |
Off |
|
2MB |
Off |
On |
On |
On |
On |
Off |
Off |
Off |
|
4MB |
On |
On |
Off |
Off |
On |
Off |
Off |
Off |
|
5MB |
Off |
Off |
Off |
On |
On |
Off |
Off |
Off |
|
8MB |
Off |
On |
Off |
Off |
On |
Off |
Off |
Off |