486UL (VER. 1) Motherboard Settings and Configuration

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486UL (VER. 1)

Processor
80486SX/80487SX/ODP486/80486DX/80486DX2
Processor Speed
25/33/40/50(internal)/50/66(internal)MHz
Chip Set
UMC
Video Chip Set
None
Maximum Onboard Memory
64MB
Maximum Video Memory
None
Cache
64/128/256KB
BIOS
AMI/Award
Dimensions
250mm x 220mm
I/O Options
32-bit VESA local bus slots (3)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J1
Power LED & keylock
J5
Turbo LED
J2
Reset switch
J6
Turbo switch
J3
32-bit VESA local bus slots
SL1 - SL3
Speaker
J4

USER CONFIGURABLE SETTINGS
Function
Label
Position

Turbo switch enabled/controlled by KBD CTRL, ALT - (low), CTRL, ALT + (high)
J3
Open

Turbo switch disabled
J3
Closed
»
Any VESA card installed
JP9
1 & 2

Weitek Power 9000 VESA card installed
JP9
2 & 3

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(4) 256K x 9
None
None
None
1MB
None
None
None
(1) 256K x 36
2MB
(4) 256K x 9
(4) 256K x 9
None
None
2MB
None
None
(1) 256K x 36
(1) 256K x 36
2MB
None
None
None
(1) 512K x 36
3MB
(4) 256K x 9
(4) 256K x 9
(1) 256K x 36
None
3MB
None
None
(1) 256K x 36
(1) 512K x 36
3MB
None
(4) 256K x 9
(1) 256K x 36
(1) 256K x 36
4MB
(4) 256K x 9
(4) 256K x 9
(1) 512K x 36
None
4MB
(4) 1M x 9
None
None
None
4MB
None
None
(1) 512K x 36
(1) 512K x 36
4MB
None
None
None
(1) 1M x 36
5MB
(4) 256K x 9
(4) 1M x 9
None
None
5MB
(4) 256K x 9
None
None
(1) 1M x 36
5MB
None
None
(1) 256K x 36
(1) 1M x 36
5MB
(4) 1M x 9
None
(1) 256K x 36
None
6MB
(4) 1M x 9
None
(1) 512K x 36
None
6MB
None
(4) 256K x 9
(1) 1M x 36
(1) 256K x 36
7MB
None
(4) 256K x 9
(1) 512K x 36
(1) 1M x 36
7MB
None
(4) 1M x 9
(1) 512K x 36
(1) 256K x 36
8MB
(4) 1M x 9
(4) 1M x 9
None
None
8MB
(4) 1M x 9
None
(1) 1M x 36
None
8MB
None
None
(1) 1M x 36
(1) 1M x 36
8MB
None
None
None
(1) 2M x 36
9MB
(4) 256K x 9
None
(1) 2M x 36
None
9MB
(4) 1M x 9
(4) 1M x 9
(1) 256K x 36
None
10MB
(4) 1M x 9
(4) 1M x 9
(1) 512K x 36
None
10MB
(4) 256K x 9
(4) 256K x 9
(1) 2M x 36
None
10MB
None
None
(1) 512K x 36
(1) 2M x 36
12MB
(4) 1M x 9
(4) 1M x 9
(1) 1M x 36
None
12MB
(4) 1M x 9
None
(1) 2M x 36
None
12MB
None
None
(1) 1M x 36
(1) 2M x 36
13MB
None
(4) 1M x 9
(1) 256K x 36
(1) 2M x 36
16MB
(4) 1M x 9
(4) 1M x 9
(1) 2M x 36
None
16MB
None
(4) 1M x 9
(1) 1M x 36
(1) 2M x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
16MB
(4) 4M x 9
None
None
None
16MB
None
None
(1) 2M x 36
(1) 2M x 36
17MB
(4) 256K x 9
(4) 4M x 9
None
None
18MB
(4) 4M x 9
None
(1) 512K x 36
None
19MB
None
(4) 4M x 9
(1) 512K x 36
(1) 256K x 36
20MB
(4) 1M x 9
(4) 4M x 9
None
None
20MB
(4) 4M x 9
None
(1) 1M x 36
None
21MB
None
(4) 4M x 9
(1) 256K x 36
(1) 1M x 36
22MB
(4) 1M x 9
(4) 4M x 9
(1) 512K x 36
None
24MB
(4) 4M x 9
None
(1) 2M x 36
None
25MB
None
(4) 4M x 9
(1) 256K x 36
(1) 2M x 36
28MB
(4) 1M x 9
(4) 4M x 9
(1) 2M x 36
None
32MB
(4) 4M x 9
(4) 4M x 9
None
None
33MB
(4) 4M x 9
(4) 4M x 9
(1) 256K x 36
None
34MB
(4) 4M x 9
(4) 4M x 9
(1) 512K x 36
None
36MB
(4) 4M x 9
(4) 4M x 9
(1) 1M x 36
None
40MB
(4) 4M x 9
(4) 4M x 9
(1) 2M x 36
None
64MB
(4) 16M x 9
None
None
None

CACHE CONFIGURATION
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 RESISTOR CONFIGURATION
Size
RN6
RN7
RN8
64KB
Installed
Not installed
Not installed
128KB
Not installed
Installed
Not installed
256KB
Not installed
Not installed
Installed

CPU SPEED SELECTION
Speed
J22
JP3
JP4
JP5
25MHz
Pins 1 & 2 closed
Closed
Open
Open
33MHz
Pins 1 & 2 closed
Closed
Closed
Closed
40MHz
Pins 1 & 2 closed
Closed
Closed
Open
50iMHz
Pins 1 & 2 closed
Closed
Open
Open
50MHz
Pins 2 & 3 closed
Open
Open
Closed
66iMHz
Pins 1 & 2 closed
Closed
Closed
Closed

CPU TYPE SELECTION
Type
JP1
JP2
80486SX
Pins 2 & 3 closed
Open
80487SX
Pins 1 & 2, 3 & 4 closed
Pins 2 & 3 closed
ODP486
Pins 1 & 2, 3 & 4 closed
Pins 2 & 3 closed
80486DX
Pins 1 & 2, 3 & 4 closed
Pins 1 & 2 closed
80486DX2
Pins 1 & 2, 3 & 4 closed
Pins 1 & 2 closed

VL BUS WAIT STATE SELECTION
Setting
JP13

0
Open
»
1
Closed

VL-BUS SPEED SELECTION
CPU speed
JP12
<= 33MHz
Open
>33 MHz
Closed

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486UL (VER. 1) Motherboard Settings and Configuration

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Processor	80486SX/80487SX/ODP486/80486DX/80486DX2
Processor Speed	25/33/40/50(internal)/50/66(internal)MHz
Chip Set	UMC
Video Chip Set	None
Maximum Onboard Memory	64MB
Maximum Video Memory	None
Cache	64/128/256KB
BIOS	AMI/Award
Dimensions	250mm x 220mm
I/O Options	32-bit VESA local bus slots (3)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Power LED & keylock	J5
Turbo LED	J2	Reset switch	J6
Turbo switch	J3	32-bit VESA local bus slots	SL1 - SL3
Speaker	J4

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Turbo switch enabled/controlled by KBD CTRL, ALT - (low), CTRL, ALT + (high)	J3	Open
	Turbo switch disabled	J3	Closed
»	Any VESA card installed	JP9	1 & 2
	Weitek Power 9000 VESA card installed	JP9	2 & 3

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(4) 256K x 9	None	None	None
1MB	None	None	None	(1) 256K x 36
2MB	(4) 256K x 9	(4) 256K x 9	None	None
2MB	None	None	(1) 256K x 36	(1) 256K x 36
2MB	None	None	None	(1) 512K x 36
3MB	(4) 256K x 9	(4) 256K x 9	(1) 256K x 36	None
3MB	None	None	(1) 256K x 36	(1) 512K x 36
3MB	None	(4) 256K x 9	(1) 256K x 36	(1) 256K x 36
4MB	(4) 256K x 9	(4) 256K x 9	(1) 512K x 36	None
4MB	(4) 1M x 9	None	None	None
4MB	None	None	(1) 512K x 36	(1) 512K x 36
4MB	None	None	None	(1) 1M x 36
5MB	(4) 256K x 9	(4) 1M x 9	None	None
5MB	(4) 256K x 9	None	None	(1) 1M x 36
5MB	None	None	(1) 256K x 36	(1) 1M x 36
5MB	(4) 1M x 9	None	(1) 256K x 36	None
6MB	(4) 1M x 9	None	(1) 512K x 36	None
6MB	None	(4) 256K x 9	(1) 1M x 36	(1) 256K x 36
7MB	None	(4) 256K x 9	(1) 512K x 36	(1) 1M x 36
7MB	None	(4) 1M x 9	(1) 512K x 36	(1) 256K x 36
8MB	(4) 1M x 9	(4) 1M x 9	None	None
8MB	(4) 1M x 9	None	(1) 1M x 36	None
8MB	None	None	(1) 1M x 36	(1) 1M x 36
8MB	None	None	None	(1) 2M x 36
9MB	(4) 256K x 9	None	(1) 2M x 36	None
9MB	(4) 1M x 9	(4) 1M x 9	(1) 256K x 36	None
10MB	(4) 1M x 9	(4) 1M x 9	(1) 512K x 36	None
10MB	(4) 256K x 9	(4) 256K x 9	(1) 2M x 36	None
10MB	None	None	(1) 512K x 36	(1) 2M x 36
12MB	(4) 1M x 9	(4) 1M x 9	(1) 1M x 36	None
12MB	(4) 1M x 9	None	(1) 2M x 36	None
12MB	None	None	(1) 1M x 36	(1) 2M x 36
13MB	None	(4) 1M x 9	(1) 256K x 36	(1) 2M x 36
16MB	(4) 1M x 9	(4) 1M x 9	(1) 2M x 36	None
16MB	None	(4) 1M x 9	(1) 1M x 36	(1) 2M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
16MB	(4) 4M x 9	None	None	None
16MB	None	None	(1) 2M x 36	(1) 2M x 36
17MB	(4) 256K x 9	(4) 4M x 9	None	None
18MB	(4) 4M x 9	None	(1) 512K x 36	None
19MB	None	(4) 4M x 9	(1) 512K x 36	(1) 256K x 36
20MB	(4) 1M x 9	(4) 4M x 9	None	None
20MB	(4) 4M x 9	None	(1) 1M x 36	None
21MB	None	(4) 4M x 9	(1) 256K x 36	(1) 1M x 36
22MB	(4) 1M x 9	(4) 4M x 9	(1) 512K x 36	None
24MB	(4) 4M x 9	None	(1) 2M x 36	None
25MB	None	(4) 4M x 9	(1) 256K x 36	(1) 2M x 36
28MB	(4) 1M x 9	(4) 4M x 9	(1) 2M x 36	None
32MB	(4) 4M x 9	(4) 4M x 9	None	None
33MB	(4) 4M x 9	(4) 4M x 9	(1) 256K x 36	None
34MB	(4) 4M x 9	(4) 4M x 9	(1) 512K x 36	None
36MB	(4) 4M x 9	(4) 4M x 9	(1) 1M x 36	None
40MB	(4) 4M x 9	(4) 4M x 9	(1) 2M x 36	None
64MB	(4) 16M x 9	None	None	None

CACHE CONFIGURATION
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 RESISTOR CONFIGURATION
Size	RN6	RN7	RN8
64KB	Installed	Not installed	Not installed
128KB	Not installed	Installed	Not installed
256KB	Not installed	Not installed	Installed

CPU SPEED SELECTION
Speed	J22	JP3	JP4	JP5
25MHz	Pins 1 & 2 closed	Closed	Open	Open
33MHz	Pins 1 & 2 closed	Closed	Closed	Closed
40MHz	Pins 1 & 2 closed	Closed	Closed	Open
50iMHz	Pins 1 & 2 closed	Closed	Open	Open
50MHz	Pins 2 & 3 closed	Open	Open	Closed
66iMHz	Pins 1 & 2 closed	Closed	Closed	Closed

CPU TYPE SELECTION
Type	JP1	JP2
80486SX	Pins 2 & 3 closed	Open
80487SX	Pins 1 & 2, 3 & 4 closed	Pins 2 & 3 closed
ODP486	Pins 1 & 2, 3 & 4 closed	Pins 2 & 3 closed
80486DX	Pins 1 & 2, 3 & 4 closed	Pins 1 & 2 closed
80486DX2	Pins 1 & 2, 3 & 4 closed	Pins 1 & 2 closed

VL BUS WAIT STATE SELECTION
Setting		JP13
	0	Open
»	1	Closed

VL-BUS SPEED SELECTION
CPU speed	JP12
<= 33MHz	Open
>33 MHz	Closed