386/25 Motherboard Settings and Configuration
UNIDENTIFIED
386/25
Processor | 80386DX |
Processor Speed | 25MHz |
Chip Set | OPTI |
Max. Onboard DRAM | 16MB |
Cache | None |
BIOS | AMI |
Dimensions | 331mm x 219mm |
I/O Options | None |
NPU Options | 80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Reset switch | J12 | Speaker | J15 |
Turbo switch | J13 | Power LED & keylock | J16 |
Turbo LED | J14 | External battery | J1 pins 1 & 4 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | Battery type select internal | J1 | pins 2 & 3 closed |
Battery type select external | J1 | Closed | |
| » | Monitor type select monochrome | J3 | Open |
Monitor type select color | J3 | Closed | |
| » | Factory configured - do not alter | J7 | N/A |
| » | Factory configured - do not alter | J8 | N/A |
| » | Factory configured - do not alter | J9 | N/A |
Note:Jumpers J7, J8, and J9 are used on a different revision of this board to configure cache. They are not used on this board. | |||
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 |
5MB | (4) 1M x 9 | (4) 256K x 9 | NONE | NONE |
6MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | NONE |
6MB | (4) 256K x 9 | (4) 1M x 9 | (4) 256K x 9 | NONE |
6MB | (4) 1M x 9 | (4) 256K x 9 | (4) 256K x 9 | NONE |
7MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 | (4) 256K x 9 |
7MB | (4) 256K x 9 | (4) 1M x 9 | (4) 256K x 9 | (4) 256K x 9 |
7MB | (4) 1M x 9 | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
9MB | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
9MB | (4) 1M x 9 | (4) 256K x 9 | (4) 1M x 9 | 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 |
10MB | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x 9 |
10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x 9 | (4) 256K x 9 |
10MB | (4) 1M x 9 | (4) 256K x 9 | (4) 1M x 9 | (4) 256K x 9 |
12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
13MB | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
13MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x 9 |
13MB | (4) 1M x 9 | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
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