SINGA
286/12
| Processor | 80286 | 
| Processor Speed | 12/16/20MHz | 
| Chip Set | C & T | 
| Max. Onboard DRAM | 1MB | 
| Cache | None | 
| BIOS | Phoenix | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Turbo switch | J1 | Power LED & keylock | J6 | 
| External battery | J3 | Reset switch | J15 | 
| Speaker | J5 | Turbo LED | J16 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper/Switch | Position | |
| » | CPU speed select 12MHz | J1 | pins 1 & 2 closed | 
| CPU speed select 8MHz | J1 | pins 2 & 3 closed | |
| » | CPU Speed select switchable at turbo switch | J2 | pins 1 & 2 closed | 
| CPU Speed select switchable at keyboard | J2 | pins 2 & 3 closed | |
| » | DMA clock speed select iOSC/2 | J4 | pins 2 & 3 closed | 
| DMA clock speed select iOSC/1 | J4 | pins 1 & 2 closed | |
| » | DRAM access speed select 8MHz | J10 | pins 1 & 2 closed | 
| DRAM access speed select 12MHz | J10 | pins 2 & 3 closed | |
| » | BIOS access speed select 8MHz | J11 | pins 2 & 3 closed | 
| BIOS access speed select 12MHz | J11 | pins 1 & 2 closed | |
| » | DMA clock slow down enabled | J12 | pins 1 & 2 closed | 
| DMA clock slow down disabled | J12 | pins 2 & 3 closed | |
| » | Keyboard controller speed select 8MHz | J13 | pins 1 & 2 closed | 
| Keyboard controller speed select 4MHz | J13 | pins 2 & 3 closed | |
| » | NPU speed select 8MHz | J14 | pins 2 & 3 closed | 
| NPU speed select 4.77MHz | J14 | pins 1 & 2 closed | |
| » | Battery type select internal | J17 | Closed | 
| Battery type select external | J17 | Open | |
| » | Battery charge mode select normal | J18 | Open | 
| Battery charge mode select fast | J18 | Closed | |
| » | Monitor type select color | S1/3 | On | 
| Monitor type select monochrome | S1/3 | Off | |
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 256KB | (18) 4164 | (18) 4164 | 
| 512KB | (18) 41256 | NONE | 
| 640KB | (18) 41256 | (18) 4164 | 
| 1MB | (18) 41256 | (18) 41256 | 
| DRAM SWITCH CONFIGURATION | |||
| Size | S1/1 | S1/2 | S1/4 | 
| 256KB | On | On | Off | 
| 512KB | Off | On | Off | 
| 640KB | On | Off | Off | 
| 1MB (512KB base) | Off | Off | Off | 
| 1MB (640KB base) | Off | Off | On |