IB-4033 Motherboard Settings and Configuration

Processor	80486DX
Processor Speed	33MHz
Chip Set	OPTI
Max. Onboard DRAM	32MB
Cache	64/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J18	Turbo switch	JP12
Power LED & keylock	J21	Turbo LED	JP13
Speaker	J22	Reset switch	JP14
Note:The location of JP14 is unidentified.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP2	Closed
»	Monitor type select monochrome	JP2	Open
»	ATCLK (I/O Bus) speed select CPU speed /4	JP3	Open
»	ATCLK (I/O Bus) speed select CPU speed /6	JP3	Closed
»	CPU speed select iOSC	JP15	pins 1 & 2 closed
»	CPU speed select iOSC/2	JP15	pins 2 & 3 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
5MB	(4) 256K x 9	(4) 1M x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	TAG
64KB	(8) 8K x 8	(2) 4K x 4
256KB	(8) 32K x 8	(2) 16K x 4
Note:The TAG chip sizes are unidentified.

CACHE JUMPER CONFIGURATION
Size	JP4	JP5	JP10
64KB	Open	Open	Open
256KB	Closed	Closed	Closed