NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 148
NHE6300ESB S L7XJ
Manufacturer Part Number
NHE6300ESB S L7XJ
Description
Manufacturer
Intel
Datasheet
1.NHE6300ESB_S_L7XJ.pdf
(848 pages)
Specifications of NHE6300ESB S L7XJ
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5.11.3
Table 64.
s
5.11.4
Intel
DS
148
®
6300ESB I/O Controller Hub
System Power Planes
The system has several independent power planes. These power planes can be shut off
and the voltage set to a zero volt level. The power planes and their control signals are
listed in
System Power Plane
Intel
The Intel
Planes”.
Although not specific power planes within the Intel
interface signals that go to devices that may be powered down. These include:
•
•
•
DEVICE[n]
Processor
MEMORY
MEMORY
Plane
MAIN
IDE: Output signals may be tri-stated or driven low and all input buffers may be
shut off
USB: Output signals may be tri-stated and all input buffers may by shut off when
USB wakeup is not desired.
AC’97: Output signals may be driven low and input buffers may be shut off.
®
Table
®
6300ESB ICH power planes were previously defined in
6300ESB ICH Power Planes
Controlled
64.
SLP_S3#
SLP_S3#
SLP_S4#
SLP_S5#
signal
signal
signal
signal
GPIO
By
The SLP_S3# signal may be used to cut the processor’s power
completely.
When SLP_S3# goes active, power may be shut off to any circuit
not required to wake the system from the S3 state. Since the S3
state requires that the memory context be preserved, power must
be retained to the main memory.
The processor, devices on the PCI bus, LPC I/F downstream Hub
Interface and AGP will typically be shut off when the Main power
plane is shut off, although there may be small subsections
powered.
When the SLP_S4# goes active, power may be shut off to any
circuit not required to wake the system from the S4. Since the
memory context does not need to be preserved in the S4 state, the
power to the memory may also be shut down.
When the SLP_S5# goes active, power may be shut off to any
circuit not required to wake the system from the S5. Since the
memory context does not need to be preserved in the S5 state, the
power to the memory may also be shut down.
Individual subsystems may have their own power plane. For
example, GPIO signals may be used to control the power to disk
drives, audio amplifiers, or the display screen.
®
Description
6300ESB ICH, there are many
Order Number: 300641-004US
Section 4.1, “Power
Intel
®
6300ESB ICH—5
November 2007
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