UNIDENTIFIED
386SX P9
Processor |
80386SX |
Processor Speed |
16MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
2MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit external memory card slot |
NPU Options |
80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Reset switch |
J1 |
Turbo LED |
J5 |
Power LED & keylock |
J2 |
External battery |
J6 |
Speaker |
J3 |
32-bit external memory card |
S1 |
Turbo switch |
J4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Turbo LED enabled |
JP1 |
pins 2 & 3 closed |
Turbo LED disabled |
JP1 |
pins 1 & 3 closed | |
» |
Factory configured - do not alter |
JP2 |
Open |
» |
NPU mode select synchronous with CPU |
JP3 |
Open |
NPU mode select asynchronous with CPU |
JP3 |
Closed | |
» |
NPU enabled |
JP4 |
Closed |
NPU disabled |
JP4 |
Open | |
» |
Factory configured - do not alter |
JP5 |
Closed |
» |
Factory configured - do not alter |
JP6 |
Closed |
» |
Crystal select OSC2 |
JP7 |
pins 2 & 3 closed |
Crystal select OSC1 |
JP7 |
pins 1 & 2 closed | |
» |
Monitor type select color |
J8 |
Closed |
Monitor type select monochrome |
J8 |
Open | |
» |
Power good signal detect from power supply |
JP9 |
pins 1 & 2 closed |
Power good signal detect from board |
JP9 |
pins 2 & 3 closed | |
» |
BIOS type select 27256 |
JP10 |
pins 1 & 2 closed |
BIOS type select 27128 |
JP10 |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
512KB |
(4) 44256 |
NONE |
NONE |
NONE |
1MB |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
1.5MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
NONE |
2MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
(4) 44256 |
DRAM PARITY CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
512KB |
(2) 41256 |
NONE |
NONE |
NONE |
1MB |
(2) 41256 |
(2) 41256 |
NONE |
NONE |
1.5MB |
(2) 41256 |
(2) 41256 |
(2) 41256 |
NONE |
2MB |
(2) 41256 |
(2) 41256 |
(2) 41256 |
(2) 41256 |