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 |