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#1
June 15th 07, 11:58 AM
posted to alt.comp.hardware
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Silence when in suspended mode
I just installed Ubuntu and I was playing with the shutdown options. I
tried shutdown and instead of going into low power mode it appeared to shut down the computer completely. Hard drives clicked off and the fan stopped. OK, I thought. Pressed power to start the computer up, I could hear the fan and hard drives start up again, then suddenly I was looking at the desktop. It appeared it did go into suspend mode but whilst in this noise the computer made no noise at all. How is this possible. Surely some CPU power is needed to keep everything in active memory and with no cooling fans isn't this bad for the computer's health? 
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#2
June 15th 07, 12:01 PM
posted to alt.comp.hardware
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Silence when in suspended mode
On Fri, 15 Jun 2007 10:58:58 +0000, Haggis McMutton wrote:
I just installed Ubuntu and I was playing with the shutdown options. I tried shutdown Sorry that should be 'I tried suspend' whilst in this noise 'Whilst in this mode'
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#3
June 15th 07, 02:05 PM
posted to alt.comp.hardware
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Silence when in suspended mode
Haggis McMutton wrote:
I just installed Ubuntu and I was playing with the shutdown options. I tried shutdown and instead of going into low power mode it appeared to shut down the computer completely. Hard drives clicked off and the fan stopped. OK, I thought. Pressed power to start the computer up, I could hear the fan and hard drives start up again, then suddenly I was looking at the desktop. It appeared it did go into suspend mode but whilst in this noise the computer made no noise at all. How is this possible. Surely some CPU power is needed to keep everything in active memory and with no cooling fans isn't this bad for the computer's health? I think the answer is that in this state so little power is being used that ambient cooling is adequate.
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#4
June 15th 07, 02:57 PM
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Silence when in suspended mode
"David Sudlow" wrote in message
... Haggis McMutton wrote: I just installed Ubuntu and I was playing with the shutdown options. I tried shutdown and instead of going into low power mode it appeared to shut down the computer completely. Hard drives clicked off and the fan stopped. OK, I thought. Pressed power to start the computer up, I could hear the fan and hard drives start up again, then suddenly I was looking at the desktop. It appeared it did go into suspend mode but whilst in this noise the computer made no noise at all. How is this possible. Surely some CPU power is needed to keep everything in active memory and with no cooling fans isn't this bad for the computer's health? I think the answer is that in this state so little power is being used that ambient cooling is adequate. But what about power supply heat?
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#5
June 15th 07, 03:18 PM
posted to alt.comp.hardware
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Silence when in suspended mode
This sound more like hibernate than suspend. Haggis McMutton wrote: I just installed Ubuntu and I was playing with the shutdown options. I tried shutdown and instead of going into low power mode it appeared to shut down the computer completely. Hard drives clicked off and the fan stopped. OK, I thought. Pressed power to start the computer up, I could hear the fan and hard drives start up again, then suddenly I was looking at the desktop. It appeared it did go into suspend mode but whilst in this noise the computer made no noise at all. How is this possible. Surely some CPU power is needed to keep everything in active memory and with no cooling fans isn't this bad for the computer's health? -- Mike Walsh West Palm Beach, Florida, U.S.A.
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#6
June 15th 07, 04:36 PM
posted to alt.comp.hardware
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Silence when in suspended mode
Mike Walsh wrote:
This sound more like hibernate than suspend. Haggis McMutton wrote: I just installed Ubuntu and I was playing with the shutdown options. I tried shutdown and instead of going into low power mode it appeared to shut down the computer completely. Hard drives clicked off and the fan stopped. OK, I thought. Pressed power to start the computer up, I could hear the fan and hard drives start up again, then suddenly I was looking at the desktop. It appeared it did go into suspend mode but whilst in this noise the computer made no noise at all. How is this possible. Surely some CPU power is needed to keep everything in active memory and with no cooling fans isn't this bad for the computer's health? No this is the ACPI S3 state also known as Suspend to RAM in Linux. Hibernate is the ACPI S4 state also known as Suspend to disk. The OP is clearly describing the former state as resuming from the latter involves the bios boot sequence and grub before reading the hibernation file from disk. I don't know the state of PSU fan on a desktop in the S3 state as I don't have a desktop which uses ACPI.
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