EISA TECH CORPORATION
386SX
| Processor | 80386SX | 
| Processor Speed | 16/20MHz | 
| Chip Set | VLSI | 
| Max. Onboard DRAM | 16MB | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Reset switch | J16 | External battery | J21 | 
| Turbo switch | J19 | Speaker | J22 | 
| Turbo LED | J20 | Power LED & keylock | J23 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Battery select internal | JP2 | pins 1 & 2 closed | 
| Battery select external | JP2 | pins 2 & 3 closed | |
| » | Pipeline mode enabled | JP3 | Closed | 
| Pipeline mode disabled | JP3 | Open | |
| » | CMOS memory normal operation | JP4 | pins 1 & 2 closed | 
| CMOS memory clear | JP4 | pins 2 & 3 closed | |
| » | CPU ready signal select from 82C320 | JP6 | pins 1 & 2 closed | 
| CPU ready signal select from NPX | JP6 | pins 2 & 3 closed | |
| » | Monitor type select monochrome | JP7 | Open | 
| Monitor type select color | JP7 | Closed | |
| » | Maximum bus amperage select 24mA | JP8 | Closed | 
| Maximum bus amperage select 12mA | JP8 | Open | |
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 512KB | (18) 41256 | NONE | NONE | NONE | 
| 512KB | NONE | NONE | (2) 256K x 9 | 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) 41256 | (18) 41256 | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | (18) 411000 | NONE | NONE | NONE | 
| 3MB | (18) 41256 | (18) 41256 | (2) 1M x 9 | NONE | 
| 4MB | (18) 411000 | (18) 411000 | NONE | NONE | 
| 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 | 
| 8MB | (18) 414000 | NONE | NONE | NONE | 
| 8MB | NONE | NONE | (2) 4M x 9 | NONE | 
| 9MB | (18) 414000 | (18) 41256 | (2) 4M x 9 | NONE | 
| 12MB | (18) 411000 | (18) 411000 | (2) 4M x 9 | NONE | 
| 16MB | (18) 414000 | (18) 414000 | NONE | NONE | 
| 16MB | NONE | NONE | (2) 4M x 9 | (2) 4M x 9 | 
| DRAM JUMPER CONFIGURATION | |
| Size | JP5 | 
| 512KB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 512KB | pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, 17 & 18 closed | 
| 1MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 1MB | pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, 17 & 18 closed | 
| 1.5MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 2MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 2MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 3MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 4MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 4.5MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 5MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 5MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 6MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 8MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 8MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 8MB | pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, 17 & 18 closed | 
| 9MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 12MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 16MB | pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed | 
| 16MB | pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, 17 & 18 closed | 
| Note:Each line in this table corresponds to same line in the above DRAM configuration table. | |