ASrock H61M/U3S3 can't go to sleep properly

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vase7u

Commendable
Oct 7, 2018
3
0
1,510
I've had this problem for more than an year now, when I try to put the computer to sleep, Windows goes to sleep, but the hardware appears to lose power completely and then fails to wake up through mouse/keyboard (I've enabled boot from mouse/keyboard in UEFI and in device manager). I then try to turn it on through the power button and it makes 3 fail attempts to boot (power on for 2 seconds - power off), before booting successfully.
Hibernate works fine (but also doesn't wake from mouse/keyboard).

The motherboard speaker indicates "DRAM refresh failure", which sounds like the problem here, but I don't know how to fix it.

  • MB - ASRock H61M/U3S3 (4-5 years old now)
    Kingston HyperX Blu DDR3 (same)
    PSU - Corsair CX600 (a little younger)

  • I've tried:
    - new RAM stick
    - a lot of different UEFI settings including defaults
    - changing UEFI's battery
    - different Windows sleep settings
    - new HDD
    - different Windows versions
    I haven't tried different PSU, because I don't have a compatible spare.


 
Solution
BFG-9000
More than likely it's just the PSU does not stably supply little enough power to run the RAM in standby.

There was a similar problem with Haswell processors where the 0.05A of C7 standby was simply too low to stabilize many PSUs, so "Haswell Ready" PSUs became a thing. If you didn't have one the workaround was to drop to C3 or C4 sleep in the UEFI settings.

The first thing to try is to disable "Deep S4/S5" sleep mode in the UEFI, which should drop things to S3 sleep state. That might work, but S3 is still a reduced clock and voltage for the RAM (S1 is the one that refreshes RAM at full speed but does not appear to be an option in your UEFI).
Failing that, you could disable the "Suspend to RAM" feature in the UEFI. Right next to it...
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BFG-9000

BFG-9000

Splendid
Sep 17, 2016
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More than likely it's just the PSU does not stably supply little enough power to run the RAM in standby.

There was a similar problem with Haswell processors where the 0.05A of C7 standby was simply too low to stabilize many PSUs, so "Haswell Ready" PSUs became a thing. If you didn't have one the workaround was to drop to C3 or C4 sleep in the UEFI settings.

The first thing to try is to disable "Deep S4/S5" sleep mode in the UEFI, which should drop things to S3 sleep state. That might work, but S3 is still a reduced clock and voltage for the RAM (S1 is the one that refreshes RAM at full speed but does not appear to be an option in your UEFI).
Failing that, you could disable the "Suspend to RAM" feature in the UEFI. Right next to it is the setting to enable "PS/2 Keyboard Power On" which not only allows the computer to wake from hibernate, but also allows it to boot from completely off using just the keyboard.
 
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Solution
V

vase7u

Commendable
Oct 7, 2018
3
0
1,510


Deep sleep and Keyboard power on were already disabled and enabled, disabling suspending to RAM solves the sleeping problem, thank you. But strange that it was working fine for a few years.
 
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