OPTIPLEX XL 575, 590, 5100, 5120, 5133 Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	75/90/100/120/133MHz
Chip Set	Intel
Video Chip Set	S3
Maximum Onboard Memory	256MB
Maximum Video Memory	2MB
Cache	256/512KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slots (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Feature connector	CN1	IDE interface 2	CN8
PS/2 mouse port	CN2	Floppy drive interface	CN9
Serial port 1	CN3	IDE interface LED 2	J1
Serial port 2	CN4	IDE interface LED 1	J2
Parallel port	CN5	Front panel connector	PANEL
VGA port	CN6	Riser slot	SL1
IDE interface 1	CN7	Riser slot	SL2

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	BUS	Open
»	Factory configured - do not alter	CRD	Open
»	Password enabled	PSWD	Closed
	Password disabled	PSWD	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
16MB	(2) 2M x 36	None
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 2M x 36	(2) 2M x 36
32MB	(2) 4M x 36	None
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 4M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
Note: Board also accepts x 32 SIMMs.

CACHE CONFIGURATION

Note: Board accepts 256KB or 512KB cache. The location is unidentified. The size of the cache chips are unidentified.

VIDEO MEMORY CONFIGURATION
Size	Bank 0	Bank 1
1MB	1MB	None
2MB	1MB	1MB
Note: The size of the video memory chips are unidentified.

CPU SPEED SELECTION
CPU speed	Clock speed	JP1	JP2	JP3
75MHz	50MHz	Closed	Open	Open
90MHz	60MHz	Open	Closed	Open
100MHz	66MHz	Open	Open	Closed
120MHz	60MHz	Open	Closed	Open
133MHz	66MHz	Open	Open	Closed