OPTi 386-33/40WB Motherboard Settings and Configuration
UNIDENTIFIED
OPTi 386-33/40WB
Processor | 80386DX (exact location is unknown) |
Processor Speed | 33/40MHz |
Chip Set | OPTi |
Max. Onboard DRAM | 40MB |
Cache | 64KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit external memory card slot |
NPU Options | 80387DX/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J10 | 32-bit external memory card slot | S1 |
Power LED & keylock | J23 | Reset switch | SW1 |
Speaker | J24 | Turbo switch | SW2 |
Turbo LED | JP4 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | JP1 | Closed |
Monitor type select monochrome | JP1 | Open | |
» | CMOS memory normal operation | JP2 | pins 2 & 3 closed |
CMOS memory clear | JP2 | pins 1 & 2 closed | |
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 |
4MB | (4) 1M x 9 | NONE | NONE | NONE |
5MB | (4) 256K x 9 | (4) 1M x 9 | 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 |
20MB | (4) 1M x 9 | (4) 4M x 9 | NONE | NONE |
20MB | (4) 4M x 9 | (4) 1M x 9 | NONE | NONE |
24MB | (4) 1M x 9 | (4) 4M x 9 | (4) 1M x 9 | NONE |
24MB | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
28MB | (4) 1M x 9 | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 |
28MB | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE |
36MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | NONE |
40MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 |
Note:The locations of Bank 2 & Bank 3 can be found on the external memory card. | ||||
CACHE CONFIGURATION | ||||
Size | Max. Cacheable | Bank 0 | Bank 1 | TAG |
32KB | 8MB | (4) 8K x 8 | (4) 8K x 8 | (4) 4K x 4 |
64KB | 16MB | (4) 8K x 8 | (4) 8K x 8 | (4) 4K x 4 |
128KB | 32MB | (4) 32K x 8 | (4) 32K x 8 | (4) 16K x 8 |
256KB | 64MB | (4) 32K x 8 | (4) 32K x 8 | (4) 16K x 8 |
CACHE JUMPER CONFIGURATION | ||||||
Size | JP5 | JP6 | JP7 | JP8 | JP9 | JP10 |
32KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | Open | pins 2 & 3 | pins 2 & 3 |
64KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | Open | pins 2 & 3 | pins 1 & 2 |
128KB | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | Closed | pins 2 & 3 | pins 1 & 2 |
256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | Closed | pins 1 & 2 | pins 1 & 2 |
Note:Pins designated should be in the closed position. | ||||||
AT CLK SELECT | |
AT Clock | JP3 |
CLK2IN/6 | Open |
CLK2IN/8 | Closed |
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