UNIDENTIFIED
C386SX
|
Device Type |
Mainboard |
|
Processor |
80386SX |
|
Processor Speed |
16/20MHz |
|
Chip Set |
C & T |
|
Maximum Onboard Memory |
8MB |
|
Cache |
None |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 216mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
P2 |
Turbo LED |
P5 |
|
Power LED & keylock |
P3 |
External battery |
P6 |
|
Speaker |
P4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
BIOS type select 27256 |
JP1 |
Pins 1 & 2 closed |
|
BIOS type select 27512 |
JP1 |
Pins 2 & 3 closed | |
|
» |
CMOS memory normal operation |
JP2 |
Pins 1 & 2 closed |
|
CMOS memory clear |
JP2 |
Pins 2 & 3 closed | |
|
» |
Monitor type select color |
JP3 |
Closed |
|
Monitor type select monochrome |
JP3 |
Open | |
|
» |
Power good signal detect from board |
JP4 |
Pins 2 & 3 closed |
|
Power good signal detect from power supply |
JP4 |
Pins 1 & 2 closed | |
|
» |
Parity check enabled |
JP5 |
Closed |
|
Parity check disabled |
JP5 |
Open | |
|
» |
Battery type select 6v |
JP6 |
Open |
|
Battery type select 3.6v/4.5v |
JP6 |
Closed | |
|
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) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
None |
|
3.5MB |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
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 |
|
6.5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
Note: The location of banks 0, 1, 2 & 3 are unidentified. | ||||