YUKON HX Motherboard Settings and Configuration

SEANIX TECHNOLOGY, INC.

YUKON HX

Processor
Pentium
Processor Speed
75/90/100/120/133/150/166/200/MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
AMI
Dimensions
254mm x 218mm
I/O Options
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), SCSI interface, parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
IDE interface 1
CN1
IR connector
J36 pins 20 - 24
IDE interface 2
CN2
Speaker
J36 pins 26 - 29
Floppy drive interface
J1
Parallel port
JP1
SCSI interface
J28
Serial port 1
JP2
Chassis fan power
J36 pins 1 & 2
Serial port 2
JP3
Reset switch
J36 pins 4 & 5
USB connector\PS/2 mouse
JP6
Power LED & keylock
J36 pins 7 - 11
SCSI LED
JP8
IDE interface LED
J36 pins 13 - 16
32-bit PCI slots
PC1 – PC4
Green PC connector
J36 pins 17 & 18

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
CMOS memory normal operation
J8
Open

CMOS memory clear
J8
Closed
»
Plug & play enabled
J11
Pins 1 & 2 closed

Plug & play disabled
J11
Pins 2 & 3 closed
»
Factory configured - do not alter
J30
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
32MB
(2) 4M x 36
None
32MB
(2) 2M x 36
(2) 2M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

DRAM VOLTAGE CONFIGURATION
Voltage
JB2
JB3
3.3v
Open
Pins 1 & 2, 3 & 4, 5 & 6 closed
5v
Pins 1 & 2, 3 & 4, 5 & 6 closed
Open

CACHE CONFIGURATION
Size
Bank 0
256KB
(2) 32K x 32
512KB
(2) 64K x 32

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
J2
J3
J4
J5
JB1
75MHz
50MHz
1.5x
Open
Closed
Closed
Open
1 & 3, 2 & 4
90MHz
60MHz
1.5x
1 & 2
Closed
Open
Closed
1 & 3, 2 & 4
100MHz
66MHz
1.5x
2 & 3
Open
Closed
Closed
1 & 3, 2 & 4
120MHz
60MHz
2x
1 & 2
Closed
Open
Closed
2 & 4, 3 & 5
133MHz
66MHz
2x
2 & 3
Open
Closed
Closed
2 & 4, 3 & 5
150MHz
60MHz
2.5x
1 & 2
Closed
Open
Closed
3 & 5, 4 & 6
166MHz
66MHz
2.5x
2 & 3
Open
Closed
Closed
3 & 5, 4 & 6
200MHz
66MHz
3x
2 & 3
Open
Closed
Closed
1 & 3, 4 & 6

CPU VOLTAGE SELECTION
Voltage
J31
JP9
2.8v – 2.9v
Open
Open
3.3v – 3.6v
Closed
1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12
Note: Pins designated should be in the closed position.

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YUKON HX Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	75/90/100/120/133/150/166/200/MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	AMI
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), SCSI interface, parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface 1	CN1	IR connector	J36 pins 20 - 24
IDE interface 2	CN2	Speaker	J36 pins 26 - 29
Floppy drive interface	J1	Parallel port	JP1
SCSI interface	J28	Serial port 1	JP2
Chassis fan power	J36 pins 1 & 2	Serial port 2	JP3
Reset switch	J36 pins 4 & 5	USB connector\PS/2 mouse	JP6
Power LED & keylock	J36 pins 7 - 11	SCSI LED	JP8
IDE interface LED	J36 pins 13 - 16	32-bit PCI slots	PC1 – PC4
Green PC connector	J36 pins 17 & 18

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	J8	Open
	CMOS memory clear	J8	Closed
»	Plug & play enabled	J11	Pins 1 & 2 closed
	Plug & play disabled	J11	Pins 2 & 3 closed
»	Factory configured - do not alter	J30	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
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

DRAM VOLTAGE CONFIGURATION
Voltage	JB2	JB3
3.3v	Open	Pins 1 & 2, 3 & 4, 5 & 6 closed
5v	Pins 1 & 2, 3 & 4, 5 & 6 closed	Open

CACHE CONFIGURATION
Size	Bank 0
256KB	(2) 32K x 32
512KB	(2) 64K x 32

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	J2	J3	J4	J5	JB1
75MHz	50MHz	1.5x	Open	Closed	Closed	Open	1 & 3, 2 & 4
90MHz	60MHz	1.5x	1 & 2	Closed	Open	Closed	1 & 3, 2 & 4
100MHz	66MHz	1.5x	2 & 3	Open	Closed	Closed	1 & 3, 2 & 4
120MHz	60MHz	2x	1 & 2	Closed	Open	Closed	2 & 4, 3 & 5
133MHz	66MHz	2x	2 & 3	Open	Closed	Closed	2 & 4, 3 & 5
150MHz	60MHz	2.5x	1 & 2	Closed	Open	Closed	3 & 5, 4 & 6
166MHz	66MHz	2.5x	2 & 3	Open	Closed	Closed	3 & 5, 4 & 6
200MHz	66MHz	3x	2 & 3	Open	Closed	Closed	1 & 3, 4 & 6

CPU VOLTAGE SELECTION
Voltage	J31	JP9
2.8v – 2.9v	Open	Open
3.3v – 3.6v	Closed	1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12
Note: Pins designated should be in the closed position.