Problems with suspend

Deimos

[H]ard|Gawd
2FA
Joined
Aug 10, 2004
Messages
1,423
I've just started using the Suspend to RAM feature, and think its quite cool, I have quite a few PC's and am using this feature on my HTPC and my main rig.

My HTPC is fine, no problems with suspend at all, heres the specs:

AMD XP2500+
Soltek KT600-R (KT600 VIA chipset, latest 4in1 drivers)
Seagate 120GB IDE 8MB Buffer
1.5GB Ram (generic)
Radeon 9800 Pro 256MB (Catalyst 5.12)
Winfast TV2000 Pro TV Tuner
Soundblaster Audigy 2
Liteon DVD Burner
PCI NIC
Windows XP SP2

Nothing is overclocked

My main rig however has a very bizarre behaviour, after putting the PC in to suspend, a few minutes go by and it wakes up all by it self, however, it does not do this if you reboot, and immediately suspend the PC.
Also, I set the PC to suspend after 30 minutes idle, after a reboot and no activity for 30 minutes, it goes in to suspend, however, if you use it for a while, the PC will not suspend, all other power saving options still work as expected though (monitor powers off, hard drives spin down) which I have set for 10 minutes and 20 minutes respectively.
I have been through all the BIOS options and disabled all the wake up features apart from one, I set a wake up time of 5.30am to wake me in the morning.
I also checked the device manager, and went through every device, and unchecked the "allow this device to wake the PC from standby" in the power saving options, still no luck.

Specs of the system are as follows:
AMD Althlon 64 3500+
Abit AN8 (Nforce 4, latest nforce drivers, Latest BIOS)
Seagate 120GB SATA X 2 RAID 0
2GB Samsung ram
Radeon X850 Pro (Cat 5.12)
Soundblaster Audigy (Hacked Audigy 2 drivers, used from above PC)
Liteon DVD burner
Onboard NIC
Windows XP SP2

Only the video card is overclocked, PC runs a water cooling set up.

If anyone has any ideas what this could be, or if they have the same issue (or a fix) please let me know, I would really like to get this working.

Also, a quick note, my PC used to power on randomly sometimes, but this seems to have stopped.

Edit: one more thing I wanted to add, Task scheduler is enabled on my system, and disabled on the HTPC, I heard that the optimise feature of XP can cause the PC to wake from standby, so I explicitly disabled it via a registry hack, this isn't necesary on the HTPC since it does not optimise if the task scheduler service is disabled.
 
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