TMC RESEARCH CORPORATION
PAT3XCA
| Processor | 80386SX | 
| Processor Speed | 16MHz | 
| Chip Set | NEAT | 
| Max. Onboard DRAM | 8MB | 
| Cache | None | 
| BIOS | Unidentified | 
| Dimensions | 330mm x 215mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J2 | Speaker | J13 | 
| Reset switch | J11 | Power LED & keylock | J14 | 
| Turbo LED | J12 | Turbo switch | J15 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Battery type select internal | JP1 | pins 1 & 2 closed | 
| Battery type select external | JP1 | Open | |
| » | BIOS type select 27256 | JP2 | pins 2 & 3 closed | 
| BIOS type select 27128 | JP2 | pins 1 & 2 closed | |
| » | Monitor type select color | JP4 | Closed | 
| Monitor type select monochrome | JP4 | Open | |
| » | NPU disabled | JP7 | Closed | 
| NPU enabled | JP7 | Open | |
| » | Pipeline mode enabled | JP8 | Closed | 
| Pipeline mode disabled | JP8 | Open | |
| » | Factory configured - do not alter | JP10 | N/A | 
| » | Factory configured - do not alter | W1 | N/A | 
| » | Factory configured - do not alter | W2 | N/A | 
| DRAM CONFIGURATION | |||||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4A | Bank 4B | PARITY | 
| 512KB | (2) 256K x 9 | NONE | NONE | NONE | NONE | NONE | NONE | 
| 512KB | NONE | NONE | NONE | NONE | (4) 44256 | NONE | (2) 41256 | 
| 1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE | NONE | NONE | NONE | 
| 1MB | (2) 256K x 9 | NONE | NONE | NONE | (4) 44256 | NONE | (2) 41256 | 
| 1MB | NONE | NONE | (2) 256K x 9 | NONE | (4) 44256 | NONE | (2) 41256 | 
| 1MB | NONE | NONE | NONE | NONE | (4) 44256 | (4) 44256 | (4) 41256 | 
| 2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE | NONE | 
| 2MB | (2) 1M x 9 | NONE | NONE | NONE | NONE | NONE | NONE | 
| 2MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE | (4) 44256 | (4) 44256 | (4) 41256 | 
| 2MB | NONE | NONE | (2) 256K x 9 | (2) 256K x 9 | (4) 44256 | (4) 44256 | (4) 41256 | 
| 3MB | (2) 1M x 9 | NONE | NONE | NONE | (4) 44256 | (4) 44256 | (4) 41256 | 
| 3MB | NONE | NONE | (2) 1M x 9 | NONE | (4) 44256 | (4) 44256 | (4) 41256 | 
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | NONE | NONE | NONE | 
| 5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | NONE | 
| 5MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | (4) 44256 | (4) 44256 | (4) 41256 | 
| 5MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 | (4) 44256 | (4) 44256 | (4) 41256 | 
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | NONE | NONE | 
| 7MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | (4) 44256 | (4) 44256 | (4) 41256 | 
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | NONE | 
| Note: In configurations in which only one of banks 0 and 1 or 2 and 3 are installed, memory will not be interleaved and will operate with wait states. | |||||||
| DIP DRAM BANK CONFIGURATION | |||||
| Bank 4A | Bank 4B | RN1 | RN2 | RN6 | RN18 | 
| Bank 0 | Bank 1 | Installed | Not installed | Installed | Not installed | 
| Bank 2 | Bank 3 | Not installed | Installed | Not installed | Installed |