UNIDENTIFIED
391WB/H
|
Processor |
80386DX/AMD80386DX |
|
Processor Speed |
33/40MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
32MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
80387DX/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Reset switch |
J4 |
|
Speaker |
J2 |
Turbo switch |
J5 |
|
Turbo LED |
J3 |
External battery |
JP13 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Turbo mode disabled |
J5 |
Closed |
|
Turbo mode enabled |
J5 |
Open | |
|
|
NPU asynchronous with CPU |
JP8 |
Closed |
|
NPU synchronous with CPU |
JP8 |
Open | |
|
|
I/O bus speed select ATCLK/6 |
JP9 |
Open |
|
I/O bus speed select ATCLK/8 |
JP9 |
Closed | |
|
|
Monitor type select monochrome |
JP12 |
Open |
|
Monitor type select color |
JP12 |
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 |
TAG |
|
32KB |
(4) 8K x 8 |
NONE |
(1) 8K x 8 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||||||
|
Size |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
JP6 |
JP14 |
JP15 |
JP16 |
JP17 |
|
32KB |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
64KB |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
128KB |
2 & 3 |
1 & 2 |
2 & 3 |
Closed |
Open |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
Closed |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||||||