AL-6408 Motherboard Settings and Configuration

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