UNIDENTIFIED
PROTECH 386 SX
| Processor | 80386SX | 
| Processor Speed | 16MHz | 
| Chip Set | Intel | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 8MB | 
| Maximum Video Memory | None | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J13 | Turbo LED | J17 | 
| Reset switch | J15 | Speaker | J18 | 
| Turbo switch | J16 | Power LED & keylock | J19 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| Monitor type select color | JP3 | Closed | |
| Monitor type select monochrome | JP3 | Open | |
| 80287 clock input select CLK/3 | JP10 | Closed | |
| 80287 clock input select CLK = CLK | JP10 | Open | |
| BIOS type select 27256 | JP11 | Pins 1 & 2 closed | |
| BIOS type select 27512 | JP11 | Pins 2 & 3 closed | |
| Turbo enabled when keyboard BIOS is set at pin 30 | JP20 | Pins 1 & 2 closed | |
| Turbo enabled when keyboard BIOS is set at pin 24 | JP20 | Pins 2 & 3 closed | |
| DRAM CONFIGURATION | ||||||
| Size | Bank 0 | Bank 0A | Bank 1 | Bank 1A | Bank 2 | Bank 3 | 
| 512KB (A) | (16) 41256 | None | None | None | None | None | 
| 512KB (B) | None | (4) 44256 | None | None | None | None | 
| 512KB (C) | None | None | None | None | (2) 256K x 9 | None | 
| 1MB (A) | None | (4) 44256 | None | (4) 44256 | None | None | 
| 1MB (B) | (16) 41256 | None | (16) 41256 | None | None | None | 
| 1MB (C) | None | None | None | None | (2) 256K x 9 | (2) 256K x 9 | 
| 1.5MB | (16) 41256 | None | None | None | (2) 256K x 9 | None | 
| 2MB (A) | (16) 411000 | None | None | None | None | None | 
| 2MB (B) | (16) 41256 | None | (16) 41256 | None | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB (C) | None | None | None | None | (2) 1M x 9 | None | 
| 3MB | (16) 41256 | None | (16) 41256 | None | (2) 1M x 9 | None | 
| 4MB (A) | (16) 411000 | None | (16) 411000 | None | None | None | 
| 4MB (B) | None | None | None | None | (2) 1M x 9 | (2) 1M x 9 | 
| 5MB | (16) 41256 | None | (16) 41256 | None | (2) 1M x 9 | (2) 1M x 9 | 
| 6MB | (16) 411000 | None | (16) 411000 | None | (2) 1M x 9 | None | 
| 8MB | (16) 411000 | None | (16) 411000 | None | (2) 1M x 9 | (2) 1M x 9 | 
| DRAM PARITY CONFIGURATION | ||
| Size | P 0 | P 1 | 
| 512KB (A) | (2) 41256 | None | 
| 512KB (B) | (2) 41256 | None | 
| 512KB (C) | None | None | 
| 1MB (A) | (2) 41256 | (2) 41256 | 
| 1MB (B) | (2) 41256 | (2) 41256 | 
| 1MB (C) | None | None | 
| 1.5MB | (2) 41256 | None | 
| 2MB (A) | (2) 411000 | None | 
| 2MB (B) | (2) 41256 | (2) 41256 | 
| 2MB (C) | None | None | 
| 3MB | (2) 41256 | (2) 41256 | 
| 4MB (A) | (2) 411000 | (2) 411000 | 
| 4MB (B) | None | None | 
| 5MB | (2) 41256 | (2) 41256 | 
| 6MB | (2) 411000 | (2) 411000 | 
| 8MB | (2) 411000 | (2) 411000 | 
| DRAM JUMPER CONFIGURATION | ||||||
| Size | JP14 | JP15 | JP16 | JP17 | JP18 | JP19 | 
| 512KB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 512KB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 512KB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| 1MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 1MB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 1MB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| 1.5MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 2MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 2MB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 2MB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| 3MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 4MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 4MB (B) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| 5MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 6MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 8MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| Note: Pins designated should be in the closed position. | ||||||
| KEYBOARD BIOS SELECTION | ||
| Type | JP1 | JP2 | 
| CLK input = CLKP 9/4 | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| CLK input = PCLK | Pins 2 & 3 closed | Pins 2 & 3 closed |