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AD80582KH067007
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Intel® Xeon® Processor 7400 Series Datasheet
107
Features
E
Notes:
1.
The specification is at T
CASE
 = 50°C and nominal V
CC
. The VID setting represents the maximum expected 
VID while running in HALT state.
2.
This specification is characterized by design.
3.
Processors running in the lowest bus ratio will enter the HALT state when the processor has executed the 
HALT and MWAIT instruction since the processor is already in the lowest core frequency and voltage 
operating point.
The processor exits the Extended HALT state when a break event occurs. When the 
processor exits the Extended HALT state, it will first transition the VID to the original 
value and then change the bus to core frequency ratio back to the original value.
Table 7-2.
Extended HALT Maximum Power
Symbol
Parameter
Min
Max
Unit
Notes
P
EXTENDED_HALT
Intel® Xeon® 
X7460 Processor 
Extended HALT State Power
42
W
1,
 
2
P
EXTENDED_HALT
6-Core Intel® 
Xeon® Processor 
E7400 Series
Extended HALT State Power
32
W
1,
 
2
P
EXTENDED_HALT
4-Core Intel® 
Xeon® Processor 
E7400 Series
Extended HALT State Power
36
W
1,
 
2, 3
 P
_HALT
4-core Intel® 
Xeon® E7420, 
E7430 Processor 
C1 Idle Power
42
W
1,
 
2, 3
P
_HALT
6-Core Intel® 
Xeon® Processor 
L7455 Series
C1 Idle Power
20
W
1,
 
2, 3
P
_HALT
4-Core Intel® 
Xeon® Processor 
L7445 Series
C1 Idle Power
15
W
1,
 
2, 3