ZEOS INTERNATIONAL, LTD.
386SX-16
| Processor | 80386SX | 
| Processor Speed | 16MHz | 
| Chip Set | Unidentified | 
| Max. Onboard DRAM | 4MB | 
| Cache | None | 
| BIOS | Award | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 

| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J2 | Turbo LED | J30 | 
| Turbo switch | J28 | Power LED & keylock | J31 | 
| Reset switch | J29 | Speaker | J38 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Parity checking enabled | J13 | pins 1 & 2 closed | 
| 
 | Parity checking disabled | J13 | pins 2 & 3 closed | 
| » | Factory configured - do not alter | J20 | N/A | 
| » | BIOS type select 27256 | J21 | Closed | 
| 
 | BIOS type select 27128 | J21 | Open | 
| » | ROM wait state select 3 wait states | J22 | Open | 
| 
 | ROM wait state select 2 wait states | J22 | Closed | 
| » | RAM read wait state select 1 wait state | J23 | Open | 
| 
 | RAM read wait state select 0 wait state | J23 | Closed | 
| » | RAM write wait state select 1 wait state | J25 | Open | 
| 
 | RAM write wait state select 0 wait state | J25 | Closed | 
| » | Turbo switch select jumper | J32 | pins 1 & 2 closed | 
| 
 | Turbo switch select keyboard | J32 | pins 2 & 3 closed | 
| » | ROM to RAM mapping disabled | J33 | Closed | 
| 
 | ROM to RAM mapping enabled | J33 | Open | 
| » | Monitor type select CGA | J37 | Closed | 
| 
 | Monitor type select Mono/EGA/VGA | J37 | Open | 
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 512KB | (18) 41256 | NONE | 
| 1MB | (18) 41256 | (18) 41256 | 
| 2MB | (18) 411000 | NONE | 
| 4MB | (18) 411000 | (18) 411000 | 
| DRAM JUMPER CONFIGURATION | |||
| Size | J34 | J35 | J36 | 
| 512KB | Closed | Closed | Open | 
| 1MB | Closed | Open | Closed | 
| 2MB | Open | Closed | Open | 
| 4MB | Open | Open | Closed | 
| PAGEMODE CONFIGURATION | |||
| Function | Jumper | Position | |
| » | Interleave disabled | J24 | Open | 
| Interleave enabled (requires both memory banks full) | J24 | Closed | |
| » | Pagemode disabled | J26 | Open | 
| Pagemode enabled | J26 | Closed | |
| » | Pagemode controller installed | J27 | Open | 
| Pagemode controller not installed | J27 | Closed | |
| Note: J23 & J25 must be open to operate in pagemode. | |||