TURBO - V3 Motherboard Settings and Configuration

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
Keylock	JP3	Turbo LED	JP6
Turbo switch	JP5

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	CPU speed select switchable from turbo switch	JP4	Closed
	CPU speed select switchable from keyboard	JP4	Open
»	Self test enabled	SW1/1	Off
	Self test disabled	SW1/1	On
»	NPU disabled	SW1/2	On
	NPU enabled	SW1/2	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
64KB	(8) 4164	NONE	NONE	NONE
128KB	(8) 4164	(8) 4164	NONE	NONE
192KB	(8) 4164	(8) 4164	(8) 4164	NONE
256KB	(8) 4164	(8) 4164	(8) 4164	(8) 4164
448KB	(8) 41256	(8) 4164	(8) 4164	(8) 4164
640KB	(8) 41256	(8) 41256	(8) 4164	(8) 4164
640KB	(8) 41256	(8) 41256	(8) 41256	NONE

DRAM SWITCH CONFIGURATION
Size	SW1/3	SW1/4	SW2/1	SW2/2	SW2/3	SW2/4
64KB	On	On	On	On	On	On
128KB	Off	On	On	On	Off	On
192KB	On	Off	On	On	On	Off
256KB	Off	Off	On	On	Off	Off
448KB	Off	Off	On	Off	Off	Off
640KB 1	Off	Off	Off	On	Off	Off
640KB 2	Off	Off	Off	Off	Off	Off
Note 1 :Use this setting when Bank 3 is populated with (8) 4164. Note 2 :Use this setting when Bank 3 is unpopulated.

FLOPPY DRIVE CONFIGURATION
Drives installed	SW1/7	SW1/8
1	On	On
2	On	Off
3	Off	On
4	Off	Off

MONITOR CONFIGURATION
Type	SW1/5	SW1/6
None	On	On
CGA (80 x 25)	On	Off
CGA (40 x 25)	Off	On
Monochrome	Off	Off