C1-XT TURBO MODEL 615 Motherboard Settings and Configuration

Processor	8088
Processor Speed	4/10MHz
Chip Set	VLSI
Max. Onboard DRAM	1MB
Cache	None
BIOS	Unidentified
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	8087

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	JP1	Reset switch	JP3
Power LED & keylock	JP2

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Parity disabled	SW/1	On
	Paity enabled	SW/1	Off
»	NPU disabled	SW/2	On
	NPU enabled	SW/2	Off
»	Turbo enabled	SW1/1	On
	Turbo disabled	SW1/1	Off
»	RAM wait state select 1 wait state	SW1/2	On
	RAM wait state select 0 wait states	SW1/2	Off
»	ROM wait state select 1 wait state	SW1/3	On
	ROM wait state select 0 wait states	SW1/3	Off
»	Memory size select 640KB	SW1/4	On
	Memory size select 1MB	SW1/4	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3	Bank 4
512KB	(8) 4164	NONE	(4) 44256	NONE	NONE
640KB	(8) 4164	(8) 4164	(4) 44256	NONE	NONE
768KB	(8) 4164	(8) 4164	(4) 44256	(2) 44256	NONE
1MB	(8) 4164	(8) 4164	(4) 44256	(2) 44256	(2) 44256

DRAM PARITY CONFIGURATION
Size	Parity 0	Parity 1	Parity 2	Parity 3	Parity 4
512KB	(1) 4164	NONE	(2) 41256	NONE	NONE
640KB	(1) 4164	(1) 4164	(2) 41256	NONE	NONE
768KB	(1) 4164	(1) 4164	(2) 41256	(1) 41256	NONE
1MB	(1) 4164	(1) 4164	(2) 41256	(1) 41256	(1) 41256

DRAM SWITCH CONFIGURATION
Size	SW/3	SW/4
512KB	Off	On
640KB	On	Off
768KB	Off	Off
1MB	Off	Off

VIDEO CONFIGURATION
Size	SW/5	SW/6
Monochrome	Off	Off
CGA	On	Off
EGA	On	On

FLOPPY DRIVE CONFIGURATION
Drives installed	SW/7	SW/8
1	On	On
2	Off	On