TURBO MAINBOARD Motherboard Settings and Configuration

Processor	8088
Processor Speed	4.77/10MHz
Chip Set	None
Max. onboard DRAM	640KB
SRAM Cache	None
BIOS	Unknown
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	8087

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	JP1	Power LED	JP5/1 & 2
Keylock	JP3	Turbo LED	JP5/3 & 4
Reset switch	JP4	Turbo Switch	JP6

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	JP7	N/A
»	Factory configured - do not alter	JP8	N/A
»	Parity enabled	JP9	Closed
	Parity disabled	JP9	Open
»	Factory configured - do not alter	SW1/switch 1	Off
»	NPU enabled	SW1/switch 2	Off
	NPU disabled	SW1/switch 2	On
»	Factory configured - do not alter	SW1/switch 3	N/A
»	Factory configured - do not alter	SW1/switch 4	N/A

DRAM CONFIGURATION
Size	Bank 0	Parity 0	Bank 1	Parity 1	Bank 2	Parity 2	Bank 3	Parity 3
256KB	(8)41256	(1)41256	NONE	NONE	NONE	NONE	NONE	NONE
256KB	(2)44256	(1)41256	NONE	NONE	NONE	NONE	NONE	NONE
512KB	(8)41256	(1)41256	(8)41256	(1)41256	NONE	NONE	NONE	NONE
512KB	(2)44256	(1)41256	(2)44256	(1)41256	NONE	NONE	NONE	NONE
576KB	(8)41256	(1)41256	(8)41256	(1)41256	(8)41256	(1)41256	NONE	NONE
576KB	(2)44256	(1)41256	(2)44256	(1)41256	(2)44256	(1)41256	NONE	NONE
640KB	(8)41256	(1)41256	(8)41256	(1)41256	(8)41256	(1)41256	(8)41256	(1)41256
640KB	(2)44256	(1)41256	(2)44256	(1)41256	(2)44256	(1)41256	(2)44256	(1)41256
Note:When using 44256 or 4464 chips, insert the chips into the dual-size sockets.

DISPLAY CONFIGURATION
Type	SW1/switch 5	SW1/switch 6
Enhanced graphics adapter	On	On
Color/graphics (40 x 20 mode)	Off	On
Color/graphics (80 x 25 mode)	On	Off
Monochrome display adapter or both	Off	Off

DRIVE CONFIGURATION
Numper of Installed Drives	SW1/switch 7	SW1/switch 8
1 Drive installed	On	On
2 Drives installed	Off	On
3 Drives installed	On	Off
4 Drives installed	Off	Off