MERLIN DP Motherboard Settings and Configuration

Processor	Pentium Pro
Processor Speed	150/166/180/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	512MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB (located on Pentium Pro CPU)
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VRM connectors (2), USB connectors (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Floppy drive interface	J1	USB connector 2	J14
Parallel port	J2	Green PC connector	J29
Chassis fan power	J3	Turbo LED	J30
Chassis fan power	J5	Reset switch	J32
PS/2 mouse interface	J7	IDE interface LED	J34
Serial port 1	J8	Speaker	J35
Serial port 2	J9	Power LED & keylock	J36
IDE interface 2	J10	32-bit PCI slots	PC1 - PC4
IDE interface 1	J12	VRM connector	VRM
USB connector 1	J13	VRM connector	VRM

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J20	Unidentified
	PS/2 mouse IRQ12 enabled	J23	Pins 1 & 2 closed
	PS/2 mouse IRQ12 disabled	J23	Pins 2 & 3 closed
»	Factory configured - do not alter	J31	Unidentified
»	Factory configured - do not alter	J33	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 2M x 36	(2) 8M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 16M x 36	None
128MB	(2) 8M x 36	(2) 8M x 36
136MB	(2) 16M x 36	(2) 1M x 36
144MB	(2) 16M x 36	(2) 2M x 36
160MB	(2) 16M x 36	(2) 4M x 36
192MB	(2) 16M x 36	(2) 8M x 36
256MB	(2) 32M x 36	None
256MB	(2) 16M x 36	(2) 16M x 36

DRAM CONFIGURATION (CON'T)
Size	Bank 0	Bank 1
264MB	(2) 32M x 36	(2) 1M x 36
272MB	(2) 32M x 36	(2) 2M x 36
288MB	(2) 32M x 36	(2) 4M x 36
320MB	(2) 32M x 36	(2) 8M x 36
384MB	(2) 32M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	J16	J17	J22	J26
150MHz	60MHz	2.5x	Open	Closed	1 & 2	3 & 4, 5 & 6, 7 & 8
166MHz	66MHz	2.5x	Closed	Open	1 & 2	3 & 4, 5 & 6, 7 & 8
180MHz	60MHz	3x	Open	Closed	1 & 2	1 & 2, 5 & 6, 7 & 8
200MHz	66MHz	3x	Closed	Open	1 & 2	1 & 2, 5 & 6, 7 & 8
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage		J4	J6
	None	Open	Open
	2.1v	Pins 7 & 8 closed	Pins 7 & 8 closed
	2.2v	Pins 5 & 6 closed	Pins 5 & 6 closed
	2.3v	Pins 5 & 6, 7 & 8 closed	Pins 5 & 6, 7 & 8 closed
	2.4v	Pins 3 & 4 closed	Pins 3 & 4 closed
	2.5v	Pins 3 & 4, 5 & 6 closed	Pins 3 & 4, 5 & 6 closed
	2.6v	Pins 3 & 4, 5 & 6 closed	Pins 3 & 4, 5 & 6 closed
	2.7v	Pins 3 & 4, 5 & 6, 7 & 8 closed	Pins 3 & 4, 5 & 6, 7 & 8 closed
	2.8v	Pins 1 & 2 closed	Pins 1 & 2 closed
	2.9v	Pins 1 & 2, 7 & 8 closed	Pins 1 & 2, 7 & 8 closed
	3.0v	Pins 1 & 2, 5 & 6 closed	Pins 1 & 2, 5 & 6 closed
	3.1v	Pins 1 & 2, 5 & 6, 7 & 8 closed	Pins 1 & 2, 5 & 6, 7 & 8 closed
	3.2v	Pins 1 & 2, 3 & 4 closed	Pins 1 & 2, 3 & 4 closed
»	3.3v	Pins 1 & 2, 3 & 4, 7 & 8 closed	Pins 1 & 2, 3 & 4, 7 & 8 closed
	3.4v	Pins 1 & 2, 3 & 4, 5 & 6 closed	Pins 1 & 2, 3 & 4, 5 & 6 closed
	3.5v	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed