80386 SMT ASIC, 386 ASIC CACHE VER. 4.0 Motherboard Settings and Configuration
MICRONICS COMPUTERS, INC.
80386 SMT ASIC, 386 ASIC CACHE VER. 4.0
Processor | 80386DX |
Processor Speed | 25/33MHz |
Chip Set | Micronics |
Max. Onboard DRAM | 4MB |
Cache | 64KB |
BIOS | AMI |
Dimensions | 215mm x 337mm |
I/O Options | 32-bit external memory card |
NPU Options | 80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | J5 | 32-bit external memory card | S1 |
External keyboard | J6 | Reset switch | W1 |
Speaker | J8 | Turbo LED | W4 |
External battery | J9 | Turbo switch | W5 |
USER CONFIGURABLE SETTINGS | |||
Function | Switch | Position | |
| » | Factory configured - do not alter | SW1/1 | On |
| » | NPU enabled | SW1/2 | Off |
NPU disabled | SW1/2 | On | |
| » | BIOS shadowing enabled | SW1/4 | Off |
BIOS shadowing disabled | SW1/4 | On | |
| » | 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 | |
DRAM CONFIGURATION | |||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 |
1MB | (4) 256K x 9 | NONE | NONE | NONE | NONE |
1MB | NONE | (4) 256K x 9 | NONE | NONE | NONE |
2MB | (4) 256K x 9 | NONE | (4) 256K x 9 | NONE | NONE |
2MB | NONE | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE |
4MB | (4) 1M x 9 | NONE | NONE | NONE | NONE |
4MB | NONE | (4) 1M x 9 | NONE | NONE | NONE |
5MB | (4) 256K x 9 | NONE | (4) 1M x 9 | NONE | NONE |
5MB | NONE | (4) 256K x 9 | (4) 1M x 9 | NONE | NONE |
6MB | (4) 256K x 9 | NONE | (4) 256K x 9 | (4) 1M x 9 | NONE |
6MB | NONE | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | NONE |
8MB | (4) 1M x 9 | NONE | (4) 1M x 9 | NONE | NONE |
8MB | NONE | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
9MB | (4) 256K x 9 | NONE | (4) 1M x 9 | (4) 1M x 9 | NONE |
9MB | NONE | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
10MB | (4) 256K x 9 | NONE | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 |
10MB | NONE | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 |
12MB | (4) 1M x 9 | NONE | (4) 1M x 9 | (4) 1M x 9 | NONE |
12MB | NONE | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
13MB | (4) 256K x 9 | NONE | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
13MB | NONE | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 1M x 9 | NONE | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
16MB | NONE | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
Note:Banks 1, 2, 3, & 4 are utilized when a 32-bit external memory card is installed at S1. Banks 0 & 1 can not be used simultaneously | |||||
CACHE CONFIGURATION | |||||
Size | Organization | Cache | Location | W14 | W15 |
32KB | Direct mapped | (4) 8K x 8 | Bank 0 | closed | pins 1 & 2 closed |
64KB | 2-way set associative | (8) 8K x 8 | Banks 0 & 1 | open | pins 2 & 3 closed |
CACHE JUMPER CONFIGURATION | ||
Size | W14 | W15 |
32KB | closed | pins 1 & 2 closed |
64KB | open | pins 2 & 3 closed |
BUS SPEED CONFIGURATION | |||
Speed | SW1/3 | SW1/8 | |
| » | iOSC/3 | On | Off |
iOSC/4 | Off | On | |
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