User's Manual 13
CPU Freq. (MHz)
JP12
Host Bus
Freq. (MHz)
JP27
JP14
JP15
CPU Clock
Multiplier
Pin
1-2
Pin
3-4
Pin
5-6
Cyrix 6x86L
PR166
Close
Open
Close
66
Pin 2-3 Close
Pin 2-3 Close
Pin 1-2 Close
x 2
Cyrix 6x86
PR166
Close
Open
Close
66
Pin 2-3 Close
Pin 2-3 Close
Pin 1-2 Close
x 2
Cyrix 6x86L
PR150
Open
Close
Close
60
Pin 2-3 Close
Pin 2-3 Close
Pin 1-2 Close
x 2
Cyrix 6x86
PR150
Open
Close
Close
60
Pin 2-3 Close]
Pin 2-3 Close
Pin 1-2 Close
x 2
Cyrix 6x86
PR133
Close
Close
Open
55
Pin 2-3 Close
Pin 2-3 Close
Pin 1-2 Close
x 2
Cyrix 6x86
PR120
Close
Close
Close
50
Pin 2-3 Close
Pin 2-3 Close
Pin 1-2 Close
x 2
2.3 Onbaord Regulator Output- JP24, JP25
HOT-559(S) main board is designed with an advanced onboard switching voltage
regulators to provide 3.3V ~3.52V range voltage (V
IO
=V
CORE
) for intel Pentium
P54C, Cyrix 6x86 and AMD K5 processors; and also provide dual 3.3/2.8V~
3.3/3.2V ranges voltage (V
IO
, V
CORE
separated) for Intel Pentium P55C, Cyrix/IBM
6x86L and AMD K6 processors. Single or dual voltages output according to the
following tables.
Processors
Vcore
JP24
JP25
Pentium MMX
150~233 MHz
2.8 V
Pin 5-6 Close
Pin 1-3, 2-4 Close
AMD K-6
PR2-166/200
2.9 V
Pin 1-2, 5-6 Close
AMD K-6
PR2-233/266
3.2 V
Pin 3-4 Close
Cyrix 6x86L
PR150/166
2.8 V
Pin 5-6 Close
Processors
Vcore
JP24
JP25
Pentium
75~200 MHz
3.3 V
Pin 3-4, 5-6 Close
Pin 3-5, 4-6 Close
AMD K-5
PR75~166
3.52 V
Pin 1-3, 5-6 Close
Cyrix 6x86
PR120~166(3.3V)
3.3 V
Pin 3-4, 5-6 Close
Cyrix 6x86
PR120~166
3.52 V
Pin 1-3, 5-6 Close