Processor	80486SX/ODP486SX/80487SX/80486DX/80486DX2 (5015) 80486DX/ODP486DX/80486DX2 (5025)
Processor Speed	25/50(internal)MHz (5015) 33/66(internal)MHz (5025)
Chip Set	Unidentified
Video Chip Set	ET
Maximum Onboard Memory	64MB
Maximum Video Memory	None
Cache	128KB (only on 5025)
BIOS	Unidentified
Dimensions	355mm x 304mm
I/O Options	Parallel port, PS/2 mouse port, serial port, feature connector, VGA port, riser slot
NPU Options	None

CONNECTIONS
Function	Label	Function	Label
VGA port	CN1	Feature connector	CN5
Serial port	CN2	Console connector	CN6
Parallel port	CN3	Riser slot	SL1
PS/2 mouse port	CN4

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Factory configured - do not alter	J13	Open
	Temperature sensor enabled	J21	Closed
	Temperature sensor disabled	J21	Open
	DSM board installed	J24	Open
	DSM board not installed	J24	Closed
»	PST gate array disabled	J27	Open
	PST gate array enabled	J27	Closed
»	Serial port chip enabled	SW1/1	On
	Serial port chip disabled	SW1/1	Off
»	EISA bus on riser board enabled	SW1/2	Off
	EISA bus on riser board disabled	SW1/2	On
»	Factory configured - do not alter	SW2/1	N/A
»	Password normal operation	SW2/2	On
	Reboots system ignoring CMOS and EISA configuration	SW2/2	Off
»	Factory configured - do not alter	SW2/3	N/A
»	Factory configured - do not alter	SW2/4	N/A
Note: Jumper J27 may not be present on all boards. It is not present on level 2 boards BA305, BA360 & BA365 and level 1 boards BA306 & BA361.

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(2) 512K x 36	None	None	None
8MB	(2) 512K x 36	(2) 512K x 36	None	None
8MB	(2) 1M x 36	None	None	None
12MB	(2) 512K x 36	(2) 512K x 36	(2) 512K x 36	None
12MB	(2) 1M x 36	None	(2) 512K x 36	None
16MB	(2) 512K x 36	(2) 512K x 36	(2) 512K x 36	(2) 512K x 36
16MB	(2) 1M x 36	None	(2) 512K x 36	(2) 512K x 36
16MB	(2) 1M x 36	(2) 1M x 36	None	None
16MB	(2) 2M x 36	None	None	None
20MB	(2) 1M x 36	(2) 1M x 36	(2) 512K x 36	None
20MB	(2) 2M x 36	None	(2) 512K x 36	None
24MB	(2) 1M x 36	(2) 1M x 36	(2) 512K x 36	(2) 512K x 36
24MB	(2) 2M x 36	(2) 1M x 36	(2) 1M x 36	None

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
24MB	(2) 2M x 36	None	(2) 512K x 36	(2) 512K x 36
24MB	(2) 2M x 36	None	(2) 1M x 36	None
32MB	(2) 1M x 36	(2) 1M x 36	(2) 1M x 36	(2) 1M x 36
32MB (UNIX)	(2) 2M x 36	None	(2) 1M x 36	(2) 1M x 36
32MB (DOS)	(2) 1M x 36	(2) 1M x 36	(2) 2M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36	None	None
36MB	(2) 2M x 36	(2) 2M x 36	(2) 512K x 36	None
40MB	(2) 2M x 36	(2) 2M x 36	(2) 512K x 36	(2) 512K x 36
40MB	(2) 2M x 36	(2) 2M x 36	(2) 1M x 36	None
48MB	(2) 2M x 36	(2) 2M x 36	(2) 1M x 36	(2) 1M x 36
48MB	(2) 2M x 36	(2) 2M x 36	(2) 2M x 36	None
64MB	(2) 2M x 36	(2) 2M x 36	(2) 2M x 36	(2) 2M x 36

CACHE CONFIGURATION
Size	Bank 0
128KB	128KB
Note: Cache upgrade socket is only on the 5025 mainboard.

CPU SPEED SELECTION (5015)
Speed	SW1/3	SW1/4
25MHz (5015)	Off	On
50iMHz (5015)	Off	On

CPU SPEED SELECTION (5025)
Speed	SW1/3	SW1/4
33MHz (5025)	On	Off
66iMHz (5025)	On	Off

CPU TYPE SELECTION (5015)
Type	J25	J26
80486SX	Open	Closed
ODP486SX	Open	Open
80487SX	Open	Open
80486DX	Closed	Open
80486DX2	Closed	Open

CPU TYPE SELECTION (5025)
Type	J25	J26
80486DX	Closed	Open
ODP486DX	Open	Open
80486DX2	Closed	Open

SERIAL PORT MODE SELECTION
Setting		J6	J8
»	Enabled in Fail Safe Mode	Closed	Closed
	Enabled in AT mode	Open	Open

MISCELLANEOUS TECHNICAL NOTE

The location of pin 1 on CN5 is unidentified.