UNIDENTIFIED
AL-6408
Processor | 8088 |
Processor Speed | 4/8/10MHz |
Chip Set | Unidentified |
Video Chip Set | None |
Maximum Onboard Memory | 640KB |
Maximum Video Memory | None |
Cache | None |
BIOS | Unidentified |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 8087 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo switch | JP2 | Speaker | P4 |
Power LED & keylock | JP5 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
CPU speed select through keyboard (CTRL, ALT, -) | JP1 | Pins 1 & 2 closed | |
CPU speed select through hardware | JP1 | Pins 2 & 3 closed | |
Turbo enabled | JP2 | Closed | |
Turbo disabled | JP2 | Open | |
Keyboard locked | JP4 | Open | |
Keyboard unlocked | JP4 | Closed | |
» | Factory configured - do not alter | SW1/1 | Off |
NPU not installed | SW1/2 | On | |
NPU installed | SW1/2 | Off |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
256KB | (9) 4164 | (9) 4164 | (9) 4164 | (9) 4164 |
256KB | (9) 41256 | None | None | None |
512KB | (9) 41256 | (9) 41256 | None | None |
640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 |
DRAM JUMPER CONFIGURATION | |
Size | JP3 |
256KB | Open |
256KB | Closed |
512KB | Closed |
640KB | Closed |
DRAM SWITCH CONFIGURATION | ||
Size | SW1/3 | SW1/4 |
128KB | Off | On |
192KB | On | Off |
256KB | Off | Off |
MONITOR SELECTION | ||
Setting | SW1/5 | SW1/6 |
None | On | On |
Monochrome | Off | Off |
Color 40 x 25 | Off | On |
Color 80 x 25 | On | Off |
FLOPPY DRIVE SELECTION | ||
Drives installed | SW1/7 | SW1/8 |
1 | On | On |
2 | Off | On |
3 | On | Off |
4 | Off | Off |