BT3MM/5.5 Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	25MHz
Chip Set	C & T
Max. Onboard DRAM	8MB
SRAM Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit proprietary external memory card
NPU Options	80387DX

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	Speaker	J6
Reset switch	J2	External battery	J7
Turbo LED	J3	32-bit external memory card	S1

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	J4	closed
»	CPU speed select 25MHz	J5	pins 1 & 2 closed
	CPU speed select 20MHz	J5	pins 2 & 3 closed
»	Monitor type select color	J8	pins 1 & 2 closed
	Monitor type select monochrome	J8	pins 2 & 3 closed
»	NPU enabled	J9	pins 1 & 2 closed
	NPU disabled	J9	pins 2 & 3 closed
»	NPU speed select 20MHz	J12	pins 1 & 2 closed
	NPU speed select 25MHz	J12	pins 1 & 2 open
»	Battery select internal	J13	pins 1 & 2 closed
	Battery select external (6VDC)	J13	pins 3 & 4 closed
	Battery select external (4.5VDC)	J13	pins 5 & 6 closed
	NoteCPU speed select must not be changed while power is applied to the system. Press (Ctrl) (Alt) (+) to change to the initial speed set using J5. Pressing (Ctrl) (Alt) (-) switches to the opposite speed.

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(36) 41256	NONE
2MB	(36) 41256	(36) 41256
4MB	(36) 411000	NONE
8MB	(36) 411000	(36) 411000