Compaq 8000 Technical Reference Guide: HP Compaq 8000 Elite Series Business De - Page 81

Table 7-6., System Power States, Power, State, System Condition, Consumption, Transition, To S0 by [2]

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Power and Signal Distribution Table 7-6. System Power States Power State System Condition G0, S0, C0, D0 System fully on. OS and application is running, all components. G1, S1, C1, D1 System on, CPU is executing and data is held in memory. Some peripheral subsystems may be on low power. Monitor is blanked. G1, S2/3, C2, System on, CPU not executing, D2 (Standby/or cache data lost. Memory is suspend) holding data, display and I/O subsystems on low power. G1, S4, D3 (Hibernation) System off. CPU, memory, and most subsystems shut down. Memory image saved to disk for recall on power up. G2, S5, D3cold System off. All components either completely shut down or receiving minimum power to perform system wake-up. PCI and PCIe 3.3V slot power (for wake-up events) can be selectively disabled in BIOS configuration. G3 System off (mechanical). No power to any internal components except RTC circuit. [1] Power Consumption Maximum Low Low Low Minimum None Transition To S0 by [2] N/A < 2 sec after keyboard or pointing device action < 5 sec. after keyboard, pointing device, or power button action

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Technical Reference Guide
www.hp.com
7-7
Power and Signal Distribution
NOTES:
Gn = Global state.
Sn = Sleep state.
Cn = ACPI state.
Dn = PCI state.
[1] Power cord is disconnected for this condition.
[2] Actual transition time dependent on OS and/or application software.
Table 7-6.
System Power States
Power
State
System Condition
Power
Consumption
Transition
To S0 by [2]
OS Restart
Required
G0, S0, C0, D0
System fully on. OS and
application is running, all
components.
Maximum
N/A
No
G1, S1, C1, D1
System on, CPU is executing and
data is held in memory. Some
peripheral subsystems may be on
low power. Monitor is blanked.
Low
< 2 sec after
keyboard or
pointing device
action
No
G1, S2/3, C2,
D2 (Standby/or
suspend)
System on, CPU not executing,
cache data lost. Memory is
holding data, display and I/O
subsystems on low power.
Low
< 5 sec. after
keyboard, pointing
device, or power
button action
No
G1, S4, D3
(Hibernation)
System off. CPU, memory, and
most subsystems shut down.
Memory image saved to disk for
recall on power up.
Low
<25 sec. after
power button
action
Yes
G2, S5, D3
cold
System off. All components either
completely shut down or receiving
minimum power to perform system
wake-up.
PCI and PCIe 3.3V slot
power (for wake-up events) can be
selectively disabled in BIOS
configuration.
Minimum
<35 sec. after
power button
action
Yes
G3
System off (mechanical). No power
to any internal components except
RTC circuit. [1]
None
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