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 |