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 | 
| 512KB1 | open | closed | open | closed | 
| 640KB | closed | open | closed | open | 
| 1MB | closed | open | closed | open | 
| 1MB1 | open | closed | open | closed | 
| 1.5MB | closed | open | closed | open | 
| 2MB | closed | open | closed | open | 
| 2MB1 | open | closed | open | closed | 
| 4MB | closed | open | closed | open | 
| 4MB1 | 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 | 
| Note1 :Use this setting when banks 0 and 1 are empty. | ||||