IB3486-UCD Motherboard Settings and Configuration

Processor	80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed	20/25/33/50(Internal)/50/66(Internal)MHz (depending on CPU card)
Chip Set	UMC
Max. Onboard DRAM	32MB
Cache	32/64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit proprietary memory card, 32-bit VESA slots (2), CPU card slot
NPU Options	80387DX/3167/4167 (depending on CPU card)

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	PS/2 mouse connector	J21
Turbo LED	J2	External battery	J23
Speaker	J3	32-bit VESA slots (2)	S1 & S2
Power LED & keylock	J9	CPU card slot	S3
Keyboard connector	J10	32-bit proprietary memory card	S4
Turbo switch	J18
Note:Use only one of the keyboard connectors

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	J16	N/A
»	Monitor type select color	J17	Closed
	Monitor type select monochrome	J17	Open
»	Battery select internal	J20	pins 1 & 2 closed
	Battery select external	J20	pins 2 & 3 closed
»	Factory configured - do not alter	J21	N/A
»	Factory configured - do not alter	J30	N/A
»	Display mode select normal	J101	pins 2 & 3 closed
	Display mode select VESA local bus	J101	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
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) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

32-BIT MEMORY CARD CONFIGURATION
Memory card		J11	J12	J13	J14	J15
»	Disabled	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3
	Enabled	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2
Note:Pins designated should be in the closed position.

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
32KB	(4) 8K x 8	NONE	(3) 16K x 4
64KB	(4) 8K x 8	(4) 8K x 8	(3) 16K x 4
128KB	(4) 32K x 8	NONE	(3) 16K x 4
256KB	(4) 32K x 8	(4) 32K x 8	(3) 16K x 4

CACHE JUMPER CONFIGURATION
Size	J4	J5	J6	J7	J8
32KB	Open	pins 2 & 3	pins 1 & 2	pins 1 & 2	pins 1 & 2
64KB	Open	pins 1 & 2	pins 2 & 3	pins 1 & 2	pins 1 & 2
128KB	pins 1 & 2	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 1 & 2
256KB	pins 2 & 3	pins 1 & 2	pins 2 & 3	pins 2 & 3	pins 2 & 3

NPU CONFIGURATION
NPU		JP1	JP2	JP3
»	Disabled	pins 2 & 3 closed	Open	Open
	Enabled	pins 1 & 2 closed	Closed	Closed

CPU TYPE CONFIGURATION
Type	J1	J2	J3	J4
80486SX	pins 1 & 2 closed	Open	Open	Open
80486DX	pins 2 & 3 closed	Closed	Closed	Open
80486DX2	pins 2 & 3 closed	Closed	Closed	Open

CPU TYPE CONFIGURATION
Type	J1	J2	J3	J4
80486SX	Open	Open	Open	pins 1 & 2 closed
80486DX	Open	Closed	Closed	pins 2 & 3 closed
80486DX2	Open	Closed	Closed	pins 2 & 3 closed