UNIDENTIFIED
TURBO-640
Processor | 8088 |
Processor Speed | 8MHz |
Chip Set | None |
Max. Onboard DRAM | 640KB |
Cache | None |
BIOS | Unidentified |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 8087 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Reset switch | JP1 | Turbo LED | JP4 |
Keylock | JP2 | Speaker | JP5 |
Turbo switch | JP3 |
USER CONFIGURABLE SETTINGS | |||
Function | Switch | Position | |
» | Factory configured - do not alter | SW1/1 | Off |
» | NPU disabled | SW1/2 | On |
NPU enabled | SW1/2 | Off |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
128KB | (9) 41256 | NONE | NONE | NONE |
192KB | (9) 41256 | NONE | NONE | NONE |
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 |
DRAM SWITCH CONFIGURATION | ||
Size | SW1/3 | SW1/4 |
128KB | Off | On |
192KB | On | Off |
256KB | Off | Off |
512KB | Off | Off |
576KB | Off | Off |
640KB | Off | Off |
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 |
None installed | On | On |
80 x 25 color | On | Off |
Monochrome | Off | Off |