UNIDENTIFIED
UMC 386
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
12MB |
|
Cache |
None |
|
BIOS |
AMI/Award/Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
JP1 |
External battery |
JP9 |
|
Turbo switch |
JP2 |
Speaker |
JP10 |
|
Reset switch |
JP8 |
Power LED & keylock |
JP11 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
Factory configured - do not alter |
JP3 |
Closed |
| » |
Monitor type select color |
JP4 |
Closed |
|
Monitor type select monochrome |
JP4 |
Open | |
| » |
Factory configured - do not alter |
JP5 |
N/A |
| » |
NPU enabled |
JP6 |
Closed |
|
NPU disabled |
JP6 |
Open | |
| » |
NPU type select 80387 |
JP7 |
Closed |
|
NPU type select 3167 |
JP7 |
Open | |
| » |
Factory configured - do not alter |
JP15 |
N/A |
| » |
Factory configured - do not alter |
JP16 |
N/A |
| » |
BIOS type select 27128 |
JP17 |
pins 1 & 2 closed |
|
BIOS type select 27256 |
JP17 |
pins 2 & 3 closed | |
| » |
Factory configured - do not alter |
JP18 |
N/A |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
|
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1 M x 9 |
NONE |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
DRAM JUMPER CONFIGURATION | |||
|
Size |
JP12 |
JP13 |
JP14 |
|
1MB |
Closed |
Closed |
Closed |
|
2MB |
Open |
Closed |
Closed |
|
3MB |
Open |
Closed |
Open |
|
4MB |
Closed |
Open |
Closed |
|
8MB |
Open |
Open |
Closed |
|
12MB |
Open |
Open |
Open |