TURBO MAINBOARD MB-101 Motherboard Settings and Configuration

Processor	8088
Processor Speed	10MHz
Chip Set	None
Max. Onboard DRAM	640KB
Cache	None
BIOS	Unidentified
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	8087

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	CN1	Turbo switch	JP3
Speaker	CN3	Reset switch	JP4
Turbo LED	JP1

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Parity check enabled	JP2	Open
	Parity check disabled	JP2	Closed
»	Factory configured - do not alter	SW1/1	Off
»	NPU disabled	SW1/2	Off
	NPU enabled	SW1/2	Off

DRAM CONFIGURATION
Bank	256KB	256KB	512KB	512KB	640KB	640KB
Bank 0	(8) 41256	NONE	(8) 41256	NONE	(8) 41256	NONE
Bank 1	NONE	NONE	(8) 41256	NONE	(8) 41256	NONE
Bank 2	NONE	NONE	NONE	NONE	(8) 4164	NONE
Bank 3	NONE	NONE	NONE	NONE	(8) 4164	NONE
Bank 4	NONE	(2) 44256	NONE	(2) 44256	NONE	(2) 44256
Bank 5	NONE	NONE	NONE	(2) 44256	NONE	(2) 44256
Bank 6	NONE	NONE	NONE	NONE	NONE	(2) 4464
Bank 7	NONE	NONE	NONE	NONE	NONE	(2) 4464
U9	(1) 41256	(1) 41256	(1) 41256	(1) 41256	(1) 41256	(1) 41256
U18	NONE	NONE	(1) 41256	(1) 41256	(1) 41256	(1) 41256
U27	NONE	NONE	NONE	NONE	(1) 4164	(1) 4164
U36	NONE	NONE	NONE	NONE	(1) 4164	(1) 4164
Note:If parity checking is disabled, then DRAM is not needed in U9, U18, U27, and U36.

DRAM SWITCH CONFIGURATION
Size	SW1/3	SW1/4
256KB	Open	Open
512KB	Closed	Open
640KB	Closed	Closed

FLOPPY DRIVE CONFIGURATION
Drives installed	SW1/7	SW1/8
1	(8) 41256	NONE
2	(8) 41256	NONE
3	(8) 4164	NONE
4	(8) 4164	NONE

MONITOR CONFIGURATION
Type	SW1/5	SW1/6
MGA	Off	Off
CGA	On	Off
EGA	On	On