Author: dNhax
Subject: Can't get XMP to boot, long boot time
Posted: 19 Feb 2017 at 6:38pm
Hey,
still got the old parts, but the new parts are already ordered and shipped.
What are you trying to tell me? 3000MHz means a RAM divider of 22.5 with ratio of 1:1.33, while 2933, 3066 and 3200 are integer dividers (22, 23 and 24).
With ratio 1:1, 3000 MHz and 3200 MHz are integer dividers while 2933 MHz and 3066 MHz have a divider of 29.33 and 30.66 respectively. Either way, I assume the motherboard should handle all scenarios equally good apart from ratio and dividers.
POST time may be related to a thing called memory training, which is new to me. Tweaking the timings and setting them specifically (especially RTL/IO latency) can reduce the "symptoms" we're "suffering" from.
Problematic in my case is, that setting the timings manually results in no POST'ing/booting at all. After testing intensively and covering all possible scenarios/variations of frequency and timings (took a week off from work) over the last week, I still decided to return the old parts. Guess I got really really unlucky, therefore I can't and won't blame ASRock or Corsair for their products (which I think are from outstanding quality). I will still consider ASRock and Corsair for any new rig I'm planning to build. ;-)
Best regards,
dNhax.
Subject: Can't get XMP to boot, long boot time
Posted: 19 Feb 2017 at 6:38pm
Hey,
still got the old parts, but the new parts are already ordered and shipped.
What are you trying to tell me? 3000MHz means a RAM divider of 22.5 with ratio of 1:1.33, while 2933, 3066 and 3200 are integer dividers (22, 23 and 24).
With ratio 1:1, 3000 MHz and 3200 MHz are integer dividers while 2933 MHz and 3066 MHz have a divider of 29.33 and 30.66 respectively. Either way, I assume the motherboard should handle all scenarios equally good apart from ratio and dividers.
POST time may be related to a thing called memory training, which is new to me. Tweaking the timings and setting them specifically (especially RTL/IO latency) can reduce the "symptoms" we're "suffering" from.
Problematic in my case is, that setting the timings manually results in no POST'ing/booting at all. After testing intensively and covering all possible scenarios/variations of frequency and timings (took a week off from work) over the last week, I still decided to return the old parts. Guess I got really really unlucky, therefore I can't and won't blame ASRock or Corsair for their products (which I think are from outstanding quality). I will still consider ASRock and Corsair for any new rig I'm planning to build. ;-)
Best regards,
dNhax.