DELL COMPUTER CORPORATION
Turbo ARC
| Processor | 8088 | 
| Processor Speed | 4.77/8MHz | 
| Chip Set | None | 
| Max. Onboard DRAM | 640KB | 
| Cache | None | 
| BIOS | Phoenix | 
| Dimensions | 334mm x 218mm | 
| I/O Options | None | 
| NPU Options | 8087 | 

| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Speaker | SPK | Turbo LED & power LED | LED | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper/Switch | Position | |
| » | CPU speed select fast | JP1 | pins 1 & 2 closed | 
| 
 | CPU speed select normal | JP1 | pins 2 & 3 closed | 
| » | Factory configured - do not alter | SW1/1 | Off | 
| » | NPU disabled | SW1/2 | On | 
| 
 | NPU enabled | SW1/2 | Off | 
| » | Factory configured - do not alter | SW1/3 | Off | 
| » | Factory configured - do not alter | SW1/4 | Off | 
| DRAM JUMPER CONFIGURATION | |
| Size | JP2 | 
| 256KB | pins 2 & 3 closed | 
| 640KB | pins 1 & 2 closed | 
| Note: System memory is factory configured at 640KB and should not be removed. Setting JP2 pins 2 & 3 closed forces the system to only recognize 256KB. | |
| FLOPPY DRIVE CONFIGURATION | ||
| Drives installed | SW1/7 | SW1/8 | 
| 1 | On | On | 
| 2 | Off | On | 
| 3 | On | Off | 
| 4 | Off | Off | 
| MONITOR CONFIGURATION | ||
| Type | SW1/5 | SW1/6 | 
| EGA | On | On | 
| CGA | On | Off | 
| MDA | Off | Off |