TMC RESEARCH CORPORATION
PAT38PX (REV. 1.0)
| Processor | 80386DX | 
| Processor Speed | 25/33/40MHz | 
| Chip Set | OPTI | 
| Max. Onboard DRAM | 32MB | 
| Cache | 32/64/128/256KB | 
| BIOS | AMI | 
| Dimensions | 330mm x 218mm | 
| I/O Options | 32-bit external memory card slot | 
| NPU Options | 80387/3167 | 

| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J10 | Reset switch | J23 pins 9 & 19 | 
| Speaker | J23 pins 1 - 4 | IDE LED in | J23 pins 10 & 20 | 
| Power LED & keylock | J23 pins 11 - 15 | IDE LED out | JP12 | 
| Turbo switch | J23 pins 7 & 17 | 32-bit external memory card | S1 | 
| Turbo LED | J23 pins 8 & 18 | 
 | 
 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Monitor type select color | JP1 | Closed | 
| 
 | Monitor type select monochrome | JP1 | Open | 
| » | CMOS memory normal operation (internal battery) | JP2 | pins 1 & 2 closed | 
| 
 | CMOS memory normal operation (external battery at J10) | JP2 | Open | 
| 
 | CMOS memory clear | JP2 | pins 2 & 3 closed | 
| » | Bus speed select iOSC/6 | JP3 | Open | 
| 
 | Bus speed select iOSC/8 | JP3 | Closed | 
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 1MB | (4) 256K x 9 | NONE | NONE | NONE | 
| 2MB | (4) 256K x 9 | (4) 256K x 9 | NONE | NONE | 
| 3MB (A) | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | NONE | 
| 4MB (A) | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 | 
| 4MB | (4) 1M x 9 | NONE | NONE | NONE | 
| 5MB | (4) 256K x 9 | (4) 1M x 9 | NONE | NONE | 
| 6MB (A) | (4) 1M x 9 | (4) 256K x 9 | (4) 256K x 9 | NONE | 
| 6MB (B) | (4) 256K x 9 | (4) 256K x 9 | (36) 411000 | NONE | 
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | 
| 10MB (A) | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x 9 | (4) 256K x 9 | 
| 12MB (A) | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE | 
| 12MB (B) | (4) 1M x 9 | (4) 1M x 9 | (36) 411000 | NONE | 
| 16MB | (4) 4M x 9 | NONE | NONE | NONE | 
| 16MB (A) | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | 
| 20MB | (4) 4M x 9 | (4) 1M x 9 | NONE | NONE | 
| 24MB (B) | (4) 4M x 9 | (4) 4M x 9 | (36) 411000 | (36) 411000 | 
| 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE | 
| 64MB (A) | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | 
| Notes: Banks 2 & 3 in settings (A) are used when proprietary external memory card SIM64P is installed; Banks 2 & 3 in settings (B) are used when card DIP8P is installed. | ||||
| CACHE CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | TAG (U32,U33) | TAG (U42) | 
| 32KB | (4) 8K x 8 | NONE | (2) 4K x 4 or (2) 16K x 4 | (2) 4K x 4 or (2) 16K x 4 | 
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (2) 4K x 4 or (2) 16K x 4 | (2) 4K x 4 or (2) 16K x 4 | 
| 128KB | (4) 32K x 8 | NONE | (2) 16K x 4 | (1) 16K x 1 | 
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (2) 16K x 4 | (1) 16K x 1 | 
| Notes: If DRAM is £8MB, all cache sizes may be installed; if DRAM is > 8MB and £ 16MB, 64, 128, or 256KB cache must be installed; if DRAM is >16MB and £ 32MB, 128 or 256KB cache must be installed; if DRAM is > 32 MB, 256KB cache must be installed. | ||||
| CACHE JUMPER/RESISTOR CONFIGURATION | |||||
| Size | JP9 | RA12 | RA13 | RA14 | RA15 | 
| 32KB | 1 & 2 | Installed | Not installed | Not installed | Not installed | 
| 64KB | 1 & 2 | Not installed | Installed | Not installed | Not installed | 
| 128KB | 1 & 2 | Not installed | Not installed | Installed | Not installed | 
| 256KB | 2 & 3 | Not installed | Not installed | (1) 16K x 1 | Not installed | 
| Notes: Pins designated should be in the closed position. | |||||