UNIDENTIFIED
SUPER-10 TURBO XT MAINBOARD
| Processor | V20/8088 | 
| Processor Speed | 4.77/8/10MHz | 
| Chip Set | Unidentified | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 640KB | 
| Maximum Video Memory | None | 
| Cache | None | 
| BIOS | AMI/Award/Phoenix | 
| Dimensions | 254mm x 218mm | 
| I/O Options | None | 
| NPU Options | 8087 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Keylock | JP1 | Power LED | JP3 pins 3 & 4 | 
| Reset switch | JP2 | Turbo LED | JP4 | 
| Speaker | JP3 pins 1 & 2 | Turbo switch | JP5 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| Turbo enabled through hardware switch (Award only) | JP5 | Closed | |
| Turbo enabled through software (CTRL, ALT, +) (Award only) | JP5 | Open | |
| Turbo disabled through software (CTRL, ALT, -) (Award only) | JP5 | Open | |
| Turbo enabled/disabled through software (CTRL, ALT, +) (Phoenix/AMI only) | JP5 | ||
| NPU not installed | SW1/2 | On | |
| NPU installed | SW1/2 | Off | |
| Note: If BIOS is Phoenix or AMI, pressing the above keyboard keys will enable or disable the turbo mode. | |||
| DRAM CONFIGURATION | ||||||
| Size | Bank 0 | Bank 1 | Bank 2 | P 2 | Bank 3 | P 3 | 
| 256KB | (9) 41256 | None | None | None | None | None | 
| 512KB | (9) 41256 | (9) 41256 | None | None | None | None | 
| 576KB | (9) 41256 | (9) 41256 | (2) 4464 | (1) 4164 | None | None | 
| 640KB | (9) 41256 | (9) 41256 | (2) 4464 | (1) 4164 | (2) 4464 | (1) 4164 | 
| DRAM SWITCH CONFIGURATION | ||
| Size | SW1/3 | SW1/4 | 
| 256KB | Off | Off | 
| 512KB | On | Off | 
| 640KB | Off | On | 
| CPU SPEED SELECTION | |
| Speed | SW1/1 | 
| 4.77MHz | Off | 
| 8MHz | On | 
| 10MHz | On | 
| FLOPPY DRIVE SELECTION | ||
| Drives installed | SW1/7 | SW1/8 | 
| 1 | On | On | 
| 2 | Off | On | 
| 3 | On | Off | 
| 4 | Off | Off | 
| MONITOR SELECTION | ||
| Setting | SW1/5 | SW1/6 | 
| None | On | On | 
| Color (40 x 20) | Off | On | 
| Color (80 x 25) | On | Off | 
| Monochrome or both | Off | Off | 
| MISCELLANEOUS TECHNICAL NOTE | 
| Note: If JP5 is closed, SW1/1 must be set to the off position. |