UNIDENTIFIED
NEAT-386SX
Processor | 80386SX |
Processor Speed | 16/20MHz |
Chip Set | C & T Neat |
Max. Onboard DRAM | 8MB |
Cache | None |
BIOS | AMI/Phoenix |
Dimensions | 330.2mm x 218.4mm |
I/O Options | None |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo switch | J1 | Keylock | J5 |
Power LED | J2 | Speaker | J6 |
Reset switch | J3 | External battery | J17 |
Turbo LED | J4 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | J7 | pins 2 & 3 closed |
Monitor type select monochrome | J7 | pins 1 & 2 closed | |
» | Battery select internal | J17 | pins 1 & 2 closed |
Battery select external | J17 | connected |
DRAM CONFIGURATION | ||||
Size | Bank 0(DIP) | Bank 1 (DIP) | Bank 2 (SIPP) | Bank 3 (SIPP) |
512KB | (18) 41256 | NONE | NONE | NONE |
512KB | NONE | NONE | (2) 256K x 9 | NONE |
640KB | (18) 41256 | (18) 4164 | NONE | NONE |
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 |
2MB | (18) 411000 | NONE | NONE | NONE |
2MB | NONE | NONE | (2) 1M x 9 | NONE |
2MB | (18) 41256 | (18) 41256 | (2) 256K x 9 | (2) 256K x 9 |
4MB | (18) 411000 | (18) 411000 | NONE | NONE |
4MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 |
4.5MB | (18) 411000 | (18) 411000 | (2) 256K x 9 | NONE |
5MB | (18) 411000 | (18) 411000 | (2) 256K x 9 | (2) 256K 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 | BS1 pins 1 & 2 pins 4 & 5 pins 7 & 8 | BS1 pins 2 & 3 pins 5 & 6 pins 8 & 9 | BS2 pins 1 & 2 pins 4 & 5 pins 7 & 8 | BS2 pins 2 & 3 pins 5 & 6 pins 8 & 9 |
512KB | closed | open | closed | open |
512KB 1 | open | closed | open | closed |
640KB | closed | open | closed | open |
1MB | closed | open | closed | open |
1MB 1 | open | closed | open | closed |
1.5MB | closed | open | closed | open |
2MB | closed | open | closed | open |
2MB 1 | open | closed | open | closed |
4MB | closed | open | closed | open |
4MB 1 | open | closed | open | closed |
4.5MB | closed | open | closed | open |
5MB | closed | open | closed | open |
6MB | closed | open | closed | open |
8MB | closed | open | closed | open |
Note 1 :Use this setting when banks 0 and 1 are empty. |