J
JD
Is it necessary, or advisable, to close all apps, including Windows
Messenger, before allowing the system to go into standby?
Messenger, before allowing the system to go into standby?
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P
Paul B T Hodges
Hey JD,
The whole point of standby is to be able to resume to the point you were at,
so if you have to close stuff, it rather defeats the object. Internet
connections do get dropped as a result of going into standby.
Note that there are 2 kinds of standby, S1(Sleep) which just shuts off the
screen and hard disk, S3 (Suspend to RAM), shuts off cpu and power fans
aswell, and maintains just a small amount of power to refresh the contents
of RAM. S3 makes the system silent similar to hibernate (S4 Suspend to
disk), so I prefer it. You set S1/S3 in the power management options in your
bios. Windows use whichever is set.
Paul
The whole point of standby is to be able to resume to the point you were at,
so if you have to close stuff, it rather defeats the object. Internet
connections do get dropped as a result of going into standby.
Note that there are 2 kinds of standby, S1(Sleep) which just shuts off the
screen and hard disk, S3 (Suspend to RAM), shuts off cpu and power fans
aswell, and maintains just a small amount of power to refresh the contents
of RAM. S3 makes the system silent similar to hibernate (S4 Suspend to
disk), so I prefer it. You set S1/S3 in the power management options in your
bios. Windows use whichever is set.
Paul
J
JD
You say the power management options are in the bios, NOT in the Control
Panel | Power Management applet?
And "suspend to disk" (your preference) means what, exactly?
Thanks
Panel | Power Management applet?
And "suspend to disk" (your preference) means what, exactly?
Thanks
P
Paul B T Hodges
My preference is suspend to RAM which is S3 standby. Suspend to disk is not
a standby option, its hibernate, its refered to as S4 in ACPI power
management jargon.
S1/S3 is a bios option not a control panel power management option.
In control panel/powermanagement you configure standby timers. When the
system goes into standby either through the timer you set or by being put
into standby manually, xp uses the S1/S3 setting in the bios to determine
which type.
As I explained, S3 is suspend to RAM, ie the system shutsdown power on all
non essential items, all fans go off, only maintains power on memory to keep
the contents, and also power to any items which are used to wakeup the
system from standby, such as a network card or modem card if you use Wake on
Lan or Wake On modem, or power to usb devices, so a usb mouse or keyboard
can bring the system out of standby. A standard Ps/2 mouse and keyboard may
also wake the system if the bios supports it(another p/management setting)
S4 suspend to disk, is what happens when the system hibernates. This saves
the contents of RAM to a file on the hard disk(\hiberfil.sys), and all power
goes off. So when you turn the system back on, it has to go through the bios
startup, but its not necessary for windows to go through the boot process,
it justs loads what was saved to disk, back into memory, so its a lot
quicker than a normal boot but slower than resuming from standby, and you
end up back at the point you were at when the system went into standby.
The major difference between S3 standby and S4 hibernate(They both give a
silent pc), is that if you lose power during S3 standby, because your work
is being stored in memory, you will lose it, however in s4 hibernate its
saved on disk, and the power is off, so its more resilient for long periods
of inactivity.
However as I said, resuming from S3 standby is quicker, mine resumes in
about 5 secs, resuming from hibernate takes about 12 seconds and a cold boot
takes 22 seconds.
Paul
a standby option, its hibernate, its refered to as S4 in ACPI power
management jargon.
S1/S3 is a bios option not a control panel power management option.
In control panel/powermanagement you configure standby timers. When the
system goes into standby either through the timer you set or by being put
into standby manually, xp uses the S1/S3 setting in the bios to determine
which type.
As I explained, S3 is suspend to RAM, ie the system shutsdown power on all
non essential items, all fans go off, only maintains power on memory to keep
the contents, and also power to any items which are used to wakeup the
system from standby, such as a network card or modem card if you use Wake on
Lan or Wake On modem, or power to usb devices, so a usb mouse or keyboard
can bring the system out of standby. A standard Ps/2 mouse and keyboard may
also wake the system if the bios supports it(another p/management setting)
S4 suspend to disk, is what happens when the system hibernates. This saves
the contents of RAM to a file on the hard disk(\hiberfil.sys), and all power
goes off. So when you turn the system back on, it has to go through the bios
startup, but its not necessary for windows to go through the boot process,
it justs loads what was saved to disk, back into memory, so its a lot
quicker than a normal boot but slower than resuming from standby, and you
end up back at the point you were at when the system went into standby.
The major difference between S3 standby and S4 hibernate(They both give a
silent pc), is that if you lose power during S3 standby, because your work
is being stored in memory, you will lose it, however in s4 hibernate its
saved on disk, and the power is off, so its more resilient for long periods
of inactivity.
However as I said, resuming from S3 standby is quicker, mine resumes in
about 5 secs, resuming from hibernate takes about 12 seconds and a cold boot
takes 22 seconds.
Paul