UNIDENTIFIED
401 386SX
Processor |
80386SX |
Processor Speed |
16MHz |
Chip Set |
VLSI |
Max. Onboard DRAM |
8MB |
Cache |
None |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
JP1 |
Turbo switch |
JP15 |
Speaker |
JP2 |
External battery |
JP18 |
Reset switch |
JP3 or JP17 |
Turbo LED |
JP20 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
NPU mode select synchronous with CPU |
JP4 |
Open |
NPU mode select synchronous with oscillator installed at X1 |
JP4 |
Closed | |
» |
Factory configured - do not alter |
JP5 |
N/A |
» |
Factory configured - do not alter |
JP8 |
pins 2 & 3 closed |
» |
Factory configured - do not alter |
JP9 |
N/A |
» |
Monitor type select color |
JP10 |
pins 1 & 2 closed |
Monitor type select monochrome |
JP10 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
JP11 |
Open |
» |
Factory configured - do not alter |
JP12 |
Open |
» |
Factory configured - do not alter |
JP13 |
Closed |
» |
Factory configured - do not alter |
JP14 |
Open |
» |
BIOS type select 27256 |
JP16 |
pins 2 & 3 closed |
BIOS type select 27512 |
JP16 |
pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
512KB |
(18) 41256 |
NONE |
NONE |
NONE |
512KB |
NONE |
NONE |
(2) 256K x 9 |
NONE |
1MB |
(18) 41256 |
(18) 41256 |
NONE |
NONE |
1MB |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(18) 411000 |
NONE |
NONE |
NONE |
2MB |
NONE |
NONE |
(2) 1M x 9 |
NONE |
4MB |
(18) 411000 |
(18) 411000 |
NONE |
NONE |
4MB |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
5MB |
(18) 411000 |
(18) 411000 |
(2) 256K x 9 |
(2) 256K x 9 |
6MB |
(18) 411000 |
(18) 411000 |
(2) 1M x 9 |
NONE |
8MB |
(18) 411000 |
(18) 411000 |
(2) 1M x 9 |
(2) 1M x 9 |
DRAM JUMPER CONFIGURATION | |||||
DRAM mode |
Max. Pages |
Wait States |
DRAM speed |
JP6 |
JP7 |
F4 |
4 |
0 or 1 |
80ns |
2 & 3 |
2 & 3 |
F1 |
1 |
0 or 1 |
100ns |
1 & 2 |
2 & 3 |
W01 |
4 |
1 or 2 |
100ns |
2 & 3 |
1 & 2 |
W02 |
4 |
2 or 3 |
120ns |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |