LASER COMPUTER, INC.
LASER 8088 MAIN BOARD (VER. 1)
| Processor | 8088 | 
| Processor Speed | 10MHz | 
| Chipset | Unidentified | 
| Maximum Onboard Memory | 1664KB DRAM | 
| BIOS | Unidentified | 
| Dimensions | 270 x 218mm | 
| I/O Options | None | 
| NPU Options | 8087 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Speaker | J11 | Power LED & keylock | J12 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Factory configured - do not alter | SW1/1 | Off | 
| » | NPU not installed | SW1/2 | Off | 
| NPU installed | SW1/2 | On | |
| » | Factory configured - do not alter | SW2/7 | N/A | 
| » | Factory configured - do not alter | SW2/8 | N/A | 
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 256KB | (9) 41256 | None | None | None | 
| 512KB | (9) 41256 | (9) 41256 | None | None | 
| 576KB | (9) 41256 | (9) 41256 | (9) 4164 | None | 
| 640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 | 
| 896KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 | 
| 1152KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 | 
| 1408KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 | 
| 1664KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 | 
| DRAM CONFIGURATION | ||||
| Size | Bank 4 | Bank 5 | Bank 6 | Bank 7 | 
| 256KB | None | None | None | None | 
| 512KB | None | None | None | None | 
| 576KB | None | None | None | None | 
| 640KB | None | None | None | None | 
| 896KB | (9) 4164 | None | None | None | 
| 1152KB | (9) 4164 | (9) 4164 | None | None | 
| 1408KB | (9) 4164 | (9) 4164 | (9) 4164 | None | 
| 1664KB | (9) 4164 | (9) 4164 | (9) 4164 | (9) 4164 | 
| DRAM CONFIGURATION | ||
| Size | SW1/3 | SW1/4 | 
| 256KB | On | On | 
| 512KB | Off | On | 
| 576KB | On | Off | 
| 640KB | Off | Off | 
| 896KB | Off | Off | 
| 1152KB | Off | Off | 
| 1408KB | Off | Off | 
| 1664KB | Off | Off | 
| EXPANDED MEMORY BANK 4 AND 5 ADDRESS | |||
| Setting | SW2/1 | SW2/2 | SW2/3 | 
| 208h | Off | On | On | 
| 218h | On | Off | On | 
| 258h | Off | Off | On | 
| 268h | On | On | Off | 
| 2A8h | Off | On | Off | 
| 2B8h | On | Off | Off | 
| 2E8h | Off | Off | Off | 
| Disabled | On | On | On | 
| EXPANDED MEMORY BANK 6 AND 7 ADDRESS | |||
| Setting | SW2/4 | SW2/5 | SW2/6 | 
| 208h | Off | On | On | 
| 218h | On | Off | On | 
| 258h | Off | Off | On | 
| 268h | On | On | Off | 
| 2A8h | Off | On | Off | 
| 2B8h | On | Off | Off | 
| 2E8h | Off | Off | Off | 
| Disabled | On | On | On | 
| FLOPPY DRIVE CONFIGURATION | ||
| Setting | SW1/7 | SW1/8 | 
| 1 drive attached | On | On | 
| 2 drives attached | Off | On | 
| 3 drives attached | On | Off | 
| 4 drives attached | Off | Off | 
| MONITOR TYPE SELECTION | ||
| Setting | SW1/5 | SW1/6 | 
| Monochrome | Off | Off | 
| CGA, 40 x 25 | Off | On | 
| CGA, 80 x 25 | On | Off | 
| EGA or no monitor | On | On |