UNIDENTIFIED
OPTI-386WB
Processor |
80386DX |
Processor Speed |
33/40MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
40MB (8MB on external memory card) |
Cache |
32/64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit external memory card |
NPU Options |
80387DX/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J10 |
32-bit external memory card |
SL1 |
Power LED & keylock |
J23 |
Reset switch |
SW1 |
Speaker |
J24 |
Turbo switch |
SW2 |
Turbo LED |
JP4 |
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 | |
|
I/O bus speed select ATCLK/6 |
JP3 |
Open |
I/O bus speed select ATCLK/8 |
JP3 |
Closed | |
|
NPU synchronous with CPU |
JP14 |
Open |
NPU asynchronous with CPU |
JP14 |
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 |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
32KB |
(4) 8K x 8 |
NONE |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
CACHE TAG CONFIGURATION | |||
Size |
TAG (U32) |
TAG (U33) |
TAG (U42) |
32KB |
(1) 16K x 4 |
(1) 16K x 4 |
(1) 16K x 4 |
64KB |
(1) 16K x 4 |
(1) 16K x 4 |
(1) 16K x 4 |
128KB |
(1) 16K x 4 |
(1) 16K x 4 |
(1) 16K x 4 |
256KB |
(1) 16K x 4 |
(1) 16K x 4 |
(1) 16K x 4 |
CACHE JUMPER CONFIGURATION | ||||||
Size |
JP5 |
JP6 |
JP7 |
JP8 |
JP9 |
JP10 |
32KB |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
2 & 3 |
64KB |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
128KB |
2 & 3 |
1 & 2 |
2 & 3 |
Closed |
2 & 3 |
1 & 2 |
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |