486UL Motherboard Settings and Configuration

ADVANCED INTEGRATION RESEARCH, INC.

486UL

Processor
80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed
20/25/33/50(internal)/50/66(internal)MHz
Chip Set
UMC
Max. Onboard DRAM
32MB
Cache
64/128/256KB
BIOS
AMI/Phoenix
Dimensions
330mm x 218mm
I/O Options
32-bit external memory card slot, 32-bit VESA local bus slots (3)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J1
Turbo switch
J6
Power LED & keylock
J3
Turbo LED
J7
Speaker
J4
32-bit VESA local bus slots
S1-S3
Reset switch
J5
32-bit external memory card
JME1

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Keyboard BIOS speed select 8MHz
JO8
pins 1 & 2 closed

Keyboard BIOS speed select from CPU speed
JO8
pins 2 & 3 closed
»
CMOS memory normal operation
JP4
pins 1 & 2 closed

CMOS memory clear
JP4
pins 2 & 3 closed
»
Battery type select internal
JP8
Closed

Battery type select external
JP8
Open
»
Monitor type select color
JP10
Closed

Monitor type select monochrome
JP10
Open

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) 1M x 9
(4) 256K 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 CONFIGURATION
Size
Bank 0
Bank 1
64KB
(4) 8K x 8
(4) 8K x 8
128KB
(4) 32K x 8
NONE
256KB
(4) 32K x 8
(4) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP13
JP14
JP16
JP17
JP18
JP19
64KB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
128KB
2 & 3
1 & 2
2 & 3
1 & 2
2 & 3
1 & 2
256KB
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type
JP1
JP2
JP3
80486SX
Open
pins 2 & 3 closed
Open
ODP486SX
pins 2 & 3 closed
pins 1 & 2, 3 & 4 closed
Open
80487SX
pins 2 & 3 closed
pins 1 & 2, 3 & 4 closed
Open
80486DX
pins 1 & 2 closed
pins 1 & 2, 3 & 4 closed
Open
80486DX2
pins 1 & 2 closed
pins 1 & 2, 3 & 4 closed
Open

CPU SPEED CONFIGURATION
Speed
JO3
JO4
JO5
JO6
JP23
20MHz
Closed
Closed
Closed
Open
Open
25MHz
Closed
Closed
Open
Closed
Open
33MHz
Closed
Open
Closed
Closed
Open
40MHz
Open
Open
Closed
Open
Closed
50iMHz
Closed
Closed
Open
Closed
Open
50MHz
Open
Open
Open
Open
Open
66iMHz
Closed
Open
Closed
Closed
Open

Headaches Begone! A Systemic Approach To Healing Your Headaches

Don't Let Your Bike Seat Ruin Your Sex Life Book

486UL Motherboard Settings and Configuration

Search

My Books

Discover

Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/33/50(internal)/50/66(internal)MHz
Chip Set	UMC
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI/Phoenix
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card slot, 32-bit VESA local bus slots (3)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Turbo switch	J6
Power LED & keylock	J3	Turbo LED	J7
Speaker	J4	32-bit VESA local bus slots	S1-S3
Reset switch	J5	32-bit external memory card	JME1

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Keyboard BIOS speed select 8MHz	JO8	pins 1 & 2 closed
	Keyboard BIOS speed select from CPU speed	JO8	pins 2 & 3 closed
»	CMOS memory normal operation	JP4	pins 1 & 2 closed
	CMOS memory clear	JP4	pins 2 & 3 closed
»	Battery type select internal	JP8	Closed
	Battery type select external	JP8	Open
»	Monitor type select color	JP10	Closed
	Monitor type select monochrome	JP10	Open

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) 1M x 9	(4) 256K 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 CONFIGURATION
Size	Bank 0	Bank 1
64KB	(4) 8K x 8	(4) 8K x 8
128KB	(4) 32K x 8	NONE
256KB	(4) 32K x 8	(4) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP13	JP14	JP16	JP17	JP18	JP19
64KB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
128KB	2 & 3	1 & 2	2 & 3	1 & 2	2 & 3	1 & 2
256KB	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	JP1	JP2	JP3
80486SX	Open	pins 2 & 3 closed	Open
ODP486SX	pins 2 & 3 closed	pins 1 & 2, 3 & 4 closed	Open
80487SX	pins 2 & 3 closed	pins 1 & 2, 3 & 4 closed	Open
80486DX	pins 1 & 2 closed	pins 1 & 2, 3 & 4 closed	Open
80486DX2	pins 1 & 2 closed	pins 1 & 2, 3 & 4 closed	Open

CPU SPEED CONFIGURATION
Speed	JO3	JO4	JO5	JO6	JP23
20MHz	Closed	Closed	Closed	Open	Open
25MHz	Closed	Closed	Open	Closed	Open
33MHz	Closed	Open	Closed	Closed	Open
40MHz	Open	Open	Closed	Open	Closed
50iMHz	Closed	Closed	Open	Closed	Open
50MHz	Open	Open	Open	Open	Open
66iMHz	Closed	Open	Closed	Closed	Open