Processor	80486SX/ODP486SX/80487SX/80486DX/80486DX2/ODP486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Unidentified
Video Chip Set	ATI
Maximum Onboard Memory	64MB
Maximum Video Memory	2MB
Cache	64/256KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interface, VGA feature connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface	J22	Floppy drive interface	J24
VGA feature connector	J23

USER CONFIGURABLE SETTINGS
Function		Label	Position
	On board video enabled	SW1/1	Off
	On board video disabled	SW1/1	On
»	Factory configured - do not alter	SW1/2	Off
»	Factory configured - do not alter	SW1/3	Off
	Password enabled	SW1/4	Off
	Password disabled	SW1/4	On
	Monitor type select color	SW1/5	On
	Monitor type select monochrome	SW1/5	Off
»	Factory configured - do not alter	SW1/6	Off
»	Factory configured - do not alter	SW1/7	Off
	Setup access enabled	SW1/8	Off
	Setup access disabled	SW1/8	On

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	None	None	None
2MB	(1) 256K x 36	(1) 256K x 36	None	None
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 1M x 36	None	None	None
5MB	(1) 1M x 36	(1) 256K x 36	None	None
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	None
7MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
8MB	(1) 1M x 36	(1) 1M x 36	None	None
9MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	None
10MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	None
13MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 36	None	None	None
17MB	(1) 4M x 36	(1) 256K x 36	None	None
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	None
19MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
21MB	(1) 4M x 36	(1) 1M x 36	(1) 256K x 36	None
22MB	(1) 4M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
24MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	None
25MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
28MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
32MB	(1) 4M x 36	(1) 4M x 36	None	None
33MB	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36	None
34MB	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
36MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	None
37MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	(1) 256K x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	None
49MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36
52MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

CACHE CONFIGURATION
Size	Bank 0	TAG
64KB	(8) 8K x 8	(1) 8K x 8
256KB	(8) 32K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	E7	E8
64KB	Open	Open
256KB	Closed	Closed

VIDEO MEMORY CONFIGURATION

Note: Board accepts 512KB/2MB of video memory. The size of the chips are unidentified. The number of banks is unidentified.

CPU TYPE SELECTION
Type	E9	E10	E11	E12	E13
80486SX	Open	2 & 3	1 & 2	Open	2 & 3
ODP486SX	1 & 2	1 & 2	2 & 3	Closed	2 & 3
80487SX	1 & 2	1 & 2	2 & 3	Closed	2 & 3
80486DX	2 & 3	1 & 2	1 & 2	Closed	2 & 3
80486DX2	2 & 3	1 & 2	1 & 2	Closed	2 & 3
ODP486DX2	1 & 2	1 & 2	2 & 3	Closed	1 & 2
Note: Pins designated should be in the closed position.