UNIDENTIFIED
OPTI-495SLC 386 WB
Processor | 80386DX |
Processor Speed | 33/40MHz |
Chip Set | OPTI |
Max. Onboard DRAM | 64MB |
Cache | 128KB |
BIOS | AMI |
Dimensions | 220mm x 165mm |
I/O Options | None |
NPU Options | 80387DX |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Turbo switch | JP4 |
Power LED & keylock | J16 | Speaker | JP6 |
Turbo LED | JP3 | Reset switch | S1 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select monochrome | JP1 | Open |
Monitor type select color | JP1 | Closed | |
» | CMOS memory normal operation | JP2 | pins 2 & 3 closed |
CMOS memory clear | JP2 | pins 1 & 2 closed | |
» | Turbo mode disabled | JP4 | Open |
Turbo mode enabled | JP4 | Closed | |
» | PQFP CPU enabled | JP5 | Open |
PQFP CPU disabled | JP5 | 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 |
17MB | (4) 256K x 9 | (4) 4M x 9 |
20MB | (4) 4M x 9 | (4) 1M x 9 |
20MB | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
64MB | (4) 16M x 9 | NONE |
CACHE CONFIGURATION | ||
Size | Bank 0 | TAG |
128KB | (4) 32K x 8 | (1) 8K x 8 |
CPU SPEED CONFIGURATION | ||
Speed | JP7 | JP8 |
33MHz | Open | Closed |
40MHz | Open | Open |