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850 Common Jumpers - IDT WinChip C6 CPU

CPU Speed (MHz) Bus Speed (MHz)
& Multiplier
Multiplier I/O Voltage* Core Voltage Bus Speed Linear Mode PCI/ CPU Bus Synchronization
180
(3.3V)

60 x 3

JP1
JP2
JP3
Off
Off
On
JP5
JP6
2-3
2-3
JP8
JP9
JP10
JP11
Closed
Open
Closed
Closed
JP14
JP15
JP16
Off
On
On
JP17 Open JP18 2-3
180
(3.52V)

60 x 3

JP1
JP2
JP3
Off
Off
On
JP5
JP6
1-2
1-2
JP8
JP9
JP10
JP11
Closed
Closed
Closed
Closed
JP14
JP15
JP16
Off
On
On
JP17 Open JP18 2-3
200
(3.3V)

66 x 3

JP1
JP2
JP3
Off
Off
On
JP5
JP6
2-3
2-3
JP8
JP9
JP10
JP11
Closed
Open
Closed
Closed
JP14
JP15
JP16
On
Off
On
JP17 Open JP18 2-3
200
(3.52V)

66 x 3

JP1
JP2
JP3
Off
Off
On
JP5
JP6
1-2
1-2
JP8
JP9
JP10
JP11
Closed
Closed
Closed
Closed
JP14
JP15
JP16
On
Off
On
JP17 Open JP18 2-3
225
(3.3V)

75 x 3

JP1
JP2
JP3
Off
Off
On
JP5
JP6
2-3
2-3
JP8
JP9
JP10
JP11
Closed
Open
Closed
Closed
JP14
JP15
JP16
Off
On
Off
JP17 Open JP18 1-2
225
(3.52V)

75 x 3

JP1
JP2
JP3
Off
Off
On
JP5
JP6
1-2
1-2
JP8
JP9
JP10
JP11
Closed
Closed
Closed
Closed
JP14
JP15
JP16
Off
On
Off
JP17 Open JP18 1-2
240
(3.3V)

60 x 4

JP1
JP2
JP3
On
On
Off
JP5
JP6
2-3
2-3
JP8
JP9
JP10
JP11
Closed
Open
Closed
Closed
JP14
JP15
JP16
Off
On
On
JP17 Open JP18 2-3
240
(3.52V)

60 x 4

JP1
JP2
JP3
On
On
Off
JP5
JP6
1-2
1-2
JP8
JP9
JP10
JP11
Closed
Closed
Closed
Closed
JP14
JP15
JP16
Off
On
On
JP17 Open JP18 2-3
* The "I/O Voltage" jumpers (JP5 & JP6) are only on revision B motherboard. Not on revision D.