UNIDENTIFIED
80386 SX/16/20
Processor |
80386SX |
Processor Speed |
16/20MHz |
Chip Set |
C & T NEAT |
Max. Onboard DRAM |
8MB |
Cache |
None |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Reset switch |
JP1 |
Turbo switch |
JP4 |
Power LED & keylock |
JP2 |
Turbo LED |
JP5 |
Speaker |
JP3 |
External battery |
JP6 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
NPU mode select synchronous with CPU |
JP8 |
Closed | |
NPU mode select asynchronous with CPU |
JP8 |
Open | |
NPU disabled |
JP9 |
Closed | |
NPU enabled |
JP9 |
Open | |
Pipeline mode enabled |
JP10 |
Closed | |
Pipeline mode disabled |
JP10 |
Open | |
Monitor type select color |
JP11 |
Closed | |
Monitor type select monochrome |
JP11 |
Open |
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 |
640KB |
(18) 41256 |
(18) 4164 |
NONE |
NONE |
640KB |
NONE |
NONE |
(2) 256K x 9 |
(2) 64K x 9 |
1MB |
(18) 41256 |
(18) 41256 |
NONE |
NONE |
1MB |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
1.5MB |
(18) 41256 |
(18) 41256 |
(2) 256K x 9 |
NONE |
1.64MB |
(18) 41256 |
(18) 4164 |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(18) 41256 |
(18) 41256 |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(18) 411000 |
NONE |
NONE |
NONE |
2MB |
NONE |
NONE |
(2) 1M x 9 |
NONE |
3MB |
(18) 41256 |
(18) 41256 |
(2) 1M x 9 |
NONE |
4MB |
(18) 411000 |
(18) 411000 |
NONE |
NONE |
4MB |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
4.64MB |
(18) 41256 |
(18) 4164 |
(2) 1M x 9 |
(2) 1M x 9 |
5MB |
(18) 41256 |
(18) 41256 |
(2) 1M x 9 |
(2) 1M 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 | |
Size |
JP12 |
512KB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
512KB |
pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed |
640KB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
640KB |
pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed |
1MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
1MB |
pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed |
1.5MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
1.64MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
2MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
2MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
2MB |
pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed |
DRAM JUMPER CONFIGURATION (CONT) | |
Size |
JP12 |
3MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
4MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
4MB |
pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed |
4.64MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
5MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
6MB |
pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed |
8MB |
pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed |
BATTERY CONFIGURATION | ||
Type |
JP6 |
JP7 |
Internal |
pins 2 & 3 closed |
pins 2 & 3 closed |
External |
Closed |
pins 1 & 2 closed |