IH 4125 Motherboard Settings and Configuration

Processor	80486SX/80486DX
Processor Speed	16/20/25/33MHz
Chip Set	ETEQ
Max. Onboard DRAM	32MB
Cache	None
BIOS	AMI
Dimensions	240mm x 220mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	Power LED & keylock	J4
Turbo LED	J2	Speaker	J5
Turbo switch	J3	External battery	JP1

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery type select internal	JP2	Closed
	Battery type select external	JP2	Open
»	Monitor type select color	JP4	Closed
	Monitor type select monochrome	JP4	Open
»	Clock phase select dual	JP7	Closed
	Clock phase select single	JP7	pins 1 & 2 closed
»	Clock source select OSC1	JP8	Closed
	Clock source select OSC2	JP8	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
32MB	(4) 4M x 9	(4) 4M x 9

CPU TYPE CONFIGURATION
Type	JP11	JP12	JP13
80486SX	Open	Open	pins 1 & 2 closed
80486DX	Closed	Closed	pins 2 & 3 closed