UNIDENTIFIED
386 MOTHERBOARD
Processor |
80386SX |
Processor Speed |
16/25MHz |
Chip Set |
C & T |
Max. Onboard DRAM |
8MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit external memory cards (2) |
NPU Options |
80287/80387SX/3167 (location of the 80287 is unidentified) |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
CN1 |
Reset switch |
J19 |
Turbo switch |
J16 |
Turbo LED |
J22 |
Power LED & keylock |
J17 |
32-bit system memory cards |
SL1 & SL2 |
Speaker |
J18 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Factory configured - do not alter |
CN2 |
N/A |
80287 not installed |
JP1 |
Open | |
80287 installed |
JP1 |
Closed | |
Monitor type select color |
JP3 |
pins 1 & 2 closed | |
Monitor type select monochrome |
JP3 |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NPU TYPE CONFIGURATION (80387/WEITEK ONLY) | ||
Setting |
JP11 |
JP12 |
NPU not installed |
Open |
Open |
NPU installed |
Closed |
Closed |
MISCELLANEOUS TECHNICAL NOTE |
Note: The location of pin 1 is unidentified. |