UNIDENTIFIED
386SX-20/25
Processor |
80386SX |
Processor Speed |
20/25MHz |
Chip Set |
Headland |
Max. onboard DRAM |
8MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP3 |
Turbo Switch |
JP11 |
Power LED & keylock |
JP9 |
Speaker |
JP12 |
Turbo LED |
JP10 |
Reset |
JP13 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Monitor type select color |
JP2 |
Closed |
Monitor type select monochrome |
JP2 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
512KB |
(2) 256K x 9 |
NONE |
NONE |
NONE |
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
1.5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
3MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 1M x 9 |
NONE |
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
4.5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
NONE |
5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
PIPELINE MODE CONFIGURATION | ||||
Mode |
CPU Speed |
JP5 |
JP6 |
JP7 |
Enabled |
20 or 25MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
Disabled |
20mhz only |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |