Asrock Z75 pro 3 issue

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   What is the full make, capacity, and model number of your memory? To check for compatibility. Not all memory can be used with four DIMMs.

Are you using stock settings for your memory? XMP profile?

You may need more memory voltage when using four total. Also the System Agent, or whatever it is called with Intel 7 series chipset processors (could be a Sandy Bridge or Ivy Bridge processor) could use a small increase in voltage.

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parsec Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 04 May 2015 Location: USA Status: Offline Points: 4996	Post Options Post Reply Quote parsec Report Post Thanks(0) Quote Reply Posted: 09 Jan 2016 at 2:59pm
	What is the full make, capacity, and model number of your memory? To check for compatibility. Not all memory can be used with four DIMMs. Are you using stock settings for your memory? XMP profile? You may need more memory voltage when using four total. Also the System Agent, or whatever it is called with Intel 7 series chipset processors (could be a Sandy Bridge or Ivy Bridge processor) could use a small increase in voltage.


wenqdu Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Dec 2015 Location: GA Status: Offline Points: 10	Post Options Post Reply Quote wenqdu Report Post Thanks(0) Quote Reply Posted: 10 Jan 2016 at 4:52am
	@parsec hi, I'm using G.Skill Ripjaws series 16gb (4x4gb) sticks: Model F3-12800CL9D-8GBRL. Have had them for over 2 years first in a asrock p67 extreme and then 2014 I bought an Asrock z75, didn't have a problem until recently. At first I thought the rams were bad; so I tested them; on the z75 and the p67. on z75, if all 4 slots are filled it won't boot , it'll boot with 2 or 3 sticks, but only 2 banks are recgonized (I forgot which 2). (I also tested with sticks I originally thought were bad, booted up just fine if there's only 2). on the p67 only the first 2 banks filled will boot; if the last 2 banks are also filled I'll get boot code 45; which apparently doesn't have a definition in the manual. so I have no idea what's going on. I have also changed power supply and bought 2 sticks of new crucial rams just in case the ram or the PSU are dying, and same symptoms. Edited by wenqdu - 10 Jan 2016 at 4:54am

wenqdu Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Dec 2015 Location: GA Status: Offline Points: 10	Post Options Post Reply Quote wenqdu Report Post Thanks(0) Quote Reply Posted: 12 Jan 2016 at 11:54pm
	well I'm just gonna RMA the board, just in case it does have some defects.