Question I potentially have a dodgy memory situation on a new build

mikeymikec

Lifer
May 19, 2011
20,166
14,713
136
Spec:

Ryzen 9600X
ASUS TUF Gaming B650-E Wifi (latest BIOS)
Kingston Fury DDR5-6000 RAM (2x16GB)
Be Quiet! Pure Rock 3
Intel B580 graphics card
Seasonic Focus GX 750W PSU
M.2 SSD, DVDRW.

As this is my fourth or fifth AM5 build, I was prepared for the long training time especially to begin with. When the machine finally POSTed about 2 minutes later, I switched on EXPO to crank up the RAM. This was followed by an impossibly long period of time (I think I gave it ten minutes in the end), and I finally pressed the reset button. It POSTed in no time at all and claimed it was running in DDR5-6000 mode. I thought the best thing to do next was to run memtest86 (10.3 or 10.4 IIRC), but that got stuck on 'getting SPD data', I gave that a good couple of minutes too.

I then updated the BIOS to the latest release version, memtest86 still stalled, then I updated memtest86 to the latest version with the RAM back at stock and now memtest86 is testing RAM, no errors so far. My plan is to only let this run for one pass then re-enable EXPO then run memtest86 again and hopefully it will play ball this time.

memtest is reporting reasonable temps for the CPU and RAM (during an idle phase, CPU is 39C).

I'm no rookie when it comes to testing for faulty RAM, but aside from (in recent years) enabling XMP/EXPO, watching the DRAM frequency go up, testing successfully and everything is good, what other tactics should I use if this doesn't go according to plan? I'm asking because my default next step would be to start removing modules, try one at a time, alternate slots, etc. This chunky HSF doesn't make that easy, so I figured it's best to ask and hopefully you guys have some easier test ideas that don't involve ripping modules out etc.

The first test passed at stock DRAM speed so I've enabled EXPO and restarted memtest86, it is testing the RAM now.
 

In2Photos

Platinum Member
Mar 21, 2007
2,490
2,719
136
Only thing I could think to check is that the right voltage is being applied for your particular RAM kit when EXPO is enabled?
 

bba-tcg

Senior member
Apr 8, 2010
802
430
136
computerguyonline.net
Spec:

Ryzen 9600X
ASUS TUF Gaming B650-E Wifi (latest BIOS)
Kingston Fury DDR5-6000 RAM (2x16GB)
Be Quiet! Pure Rock 3
Intel B580 graphics card
Seasonic Focus GX 750W PSU
M.2 SSD, DVDRW.

As this is my fourth or fifth AM5 build, I was prepared for the long training time especially to begin with. When the machine finally POSTed about 2 minutes later, I switched on EXPO to crank up the RAM. This was followed by an impossibly long period of time (I think I gave it ten minutes in the end), and I finally pressed the reset button. It POSTed in no time at all and claimed it was running in DDR5-6000 mode. I thought the best thing to do next was to run memtest86 (10.3 or 10.4 IIRC), but that got stuck on 'getting SPD data', I gave that a good couple of minutes too.

I then updated the BIOS to the latest release version, memtest86 still stalled, then I updated memtest86 to the latest version with the RAM back at stock and now memtest86 is testing RAM, no errors so far. My plan is to only let this run for one pass then re-enable EXPO then run memtest86 again and hopefully it will play ball this time.

memtest is reporting reasonable temps for the CPU and RAM (during an idle phase, CPU is 39C).

I'm no rookie when it comes to testing for faulty RAM, but aside from (in recent years) enabling XMP/EXPO, watching the DRAM frequency go up, testing successfully and everything is good, what other tactics should I use if this doesn't go according to plan? I'm asking because my default next step would be to start removing modules, try one at a time, alternate slots, etc. This chunky HSF doesn't make that easy, so I figured it's best to ask and hopefully you guys have some easier test ideas that don't involve ripping modules out etc.

The first test passed at stock DRAM speed so I've enabled EXPO and restarted memtest86, it is testing the RAM now.
You may already be doing this - but often there's 2 (or more) choices for EXPO or DOCP. The 2nd one, labelled with II at the end of it, sets more of the voltages for the RAM parameters. I've found it's the better choice for getting RAM to work the way it should.
 

mikeymikec

Lifer
May 19, 2011
20,166
14,713
136
@bba-tcg

It has passed memtest86 with the RAM at full speed, but I'll have a look around the BIOS now. It might well have been a storm in a teacup.
 
Reactions: bba-tcg
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