HOT-555 User's Manual 9
HOT-555 mainboard is designed an onboard voltage regulator to provide
single 3.3V voltage ranger (V
IO
=V
CORE
) for Intel Pentium P54C, Cyrix
6x86 and AMD5k86 processors, and also provide dual 3.3/2.5V voltage
ranger (V
IO
, V
CORE
separated
) for Intel P55C processors and Cyrix/AMD
future processors.
Single Voltage Output
(V
IO
=V
CORE
)
Onboard Regulator Output Selection - JP4, 10, 13, 36
Dual Voltage Output
(V
IO
, V
CORE
separated)
V o l t a g e
O u t p u t - V i o
J P 4
J P 1 3
3.3 V
5 - 6 CLOSE
O P E N
3.45 V
3 - 4 CLOSE
3.6 V
1 - 2 CLOSE
V o l t a g e
O u t p u t - V c o r e
J P 1 0
J P 3 6
2.5 V
ALL OPEN
3 - 4, 5 - 6 CLOSE
2.6 V
ALL OPEN
3 - 4, 7 - 8 CLOSE
2.7 V
1 - 2 CLOSE
3 - 4 CLOSE
2.8 V
3 - 4 CLOSE
3 - 4 CLOSE
2.9 V
5 - 6 CLOSE
3 - 4 CLOSE
3.0 V
7 - 8 CLOSE
3 - 4 CLOSE
Voltage Output
J P 4
JP10, JP13, JP36
3.3 V
5 - 6 CLOSE
JP10 : All OPEN,
JP13 : CLOSE,
JP36 : 1 - 2 CLOSE
3.45 V
3 - 4 CLOSE
3.6 V
1 - 2 CLOSE
Note :
1. It is highly recommended that a CPU cooling fan is attached
to the CPU to ensure system stability.
2. Make sure none of the CPU cooling fan assembly the heat
sink on the regulator to avoid damage to system.
