UL 486 Motherboard Settings and Configuration

Processor	80486SX/80487SX/80486DX/80486DX2/P23T
Processor Speed	16/20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set	UMC
Maximum Onboard Memory	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slot
NPU Options	None

CONNECTIONS
Function	Label	Function	Label
External battery	J1	Speaker	J5
Turbo LED	J2	Power LED & keylock	J6
Turbo switch	J3	32-bit VESA local bus slot	SL1
Reset switch	J4

USER CONFIGURABLE SETTINGS
Setting	Label	Position
Monitor type select color	JP1	Pins 2 & 3 closed
Monitor type select monochrome	JP1	Pins 1 & 2 closed

DRAM
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

CACHE SIZE
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8
128KB	(4) 32K x 8	None	(1) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8

CACHE JUMPER
Size	JP6	JP7	JP8	JP9	JP10	JP11	JP12	JP13
64KB	1 & 2	1 & 2	Open	Open	Open	Open	Open	1 & 2
128KB	2 & 3	1 & 2	Closed	Closed	Open	Open	1 & 2	2 & 3
256KB	2 & 3	2 & 3	Closed	Closed	Closed	Closed	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE
Setting	JP17	JP18
80486SX	Pins 2 & 3 closed	Open
80486DX	Pins 1 & 2 closed	Closed
80486DX2	Pins 1 & 2 closed	Closed