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Just built a new rig for my brother and am having issues enabling XMP. The pc specs are as follows:

Ryzen 5 1600 (non X)

2×4 GB Corsair Vengeance LPX 3000 mhz

Gigabyte Ab350n gaming Wi-Fi (the ITX board)

1050 ti

 

For comparison, I have a similar system and XMP works fine:

Ryzen 5 1600X

Ab350n gaming Wi-Fi

2×8 gb corsair vengeance rgb 3000 mhz

1070

 

What happens is that I hop into the bios, enable XMP, save and exit, computer tries to reboot, nothing. Fans are clearly spinning but the motherboard isn't loading the splash screen. Removing one stick and rebooting, the system works and task manager reports the memory running at 2933. So it seems as though the problem is, I can't run XMP in dual channel mode.

 

EDIT: I'd like to add that that it's a specific slot that seems to not want to run XMP.

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5 minutes ago, TrigrH said:

Assuming you updated the bios. That memory isn't good enough to run at 3000mhz on ryzen without BCLK overclocking. 2933 is fine.

That's not the point. I have one system running at 2933 without any issues and another system refusing to run at 2933 in dual channel

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1 minute ago, hhamama66 said:

That's not the point. I have one system running at 2933 without any issues and another system refusing to run at 2933 in dual channel

the ram kits are not the same, so thats why. Make sure the bios is updated. And try a slightly lower speed or manual memory timings.

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5 minutes ago, TrigrH said:

the ram kits are not the same, so thats why. Make sure the bios is updated. And try a slightly lower speed or manual memory timings.

I'll try and see if I swapping kits between both systems will give me different results

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1 minute ago, hhamama66 said:

I'll try and see if I swapping kits between both systems will give me different results

if they are running the same bios version you should :)

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4 hours ago, TrigrH said:

if they are running the same bios version you should :)

I couldn't get my vengeance rgb in his computer because the heat spreaders were too tall, but I did try his vengeance lpx in my rig, and it wouldn't boot. Same issues he was having. So it seems as though vengeance lpx doesn't work well with xmp on ryzen.

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7 minutes ago, hhamama66 said:

I couldn't get my vengeance rgb in his computer because the heat spreaders were too tall, but I did try his vengeance lpx in my rig, and it wouldn't boot. Same issues he was having. So it seems as though vengeance lpx doesn't work well with xmp on ryzen.

Might be a faulty stick. Try them one by one, and see if it works. 

:)

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6 minutes ago, hhamama66 said:

I couldn't get my vengeance rgb in his computer because the heat spreaders were too tall, but I did try his vengeance lpx in my rig, and it wouldn't boot. Same issues he was having. So it seems as though vengeance lpx doesn't work well with xmp on ryzen.

Well thats not exactly whats happening, if i had to guess the 4gb sticks use different nand chips possibly a higher count or lower quality which makes it harder to hit those speeds on that motherboard or on ryzen in general.

 

If you want to hit high speeds on ryzen without fail, gskill CL 14 3200mhz (samsung b-die) is the stuff to get. (ofc its more expensive)

 

So your only option is to try 2666 or if there is something higher than that.

 

1 minute ago, seon123 said:

Might be a faulty stick. Try them one by one, and see if it works. 

Nothing is faulty, XMP is a overclock and its designed for intel platforms.

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Just now, seon123 said:

But either stick works in the other slot? Might be the motherboard that's faulty. Is the BIOS updated?

its harder on the system overclock two sticks compared to one.

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Just now, seon123 said:

Yes, but I'm not sure if OP has tested both slots by themselves

OP has two of the same boards, doesn't work on either, so its not a board issue.

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1 minute ago, TrigrH said:

Well thats not exactly whats happening, if i had to guess the 4gb sticks use different nand chips possibly a higher count or lower quality which makes it harder to hit those speeds on that motherboard or on ryzen in general.

 

If you want to hit high speeds on ryzen without fail, gskill CL 14 3200mhz (samsung b-die) is the stuff to get. (ofc its more expensive)

 

So your only option is to try 2666 or if there is something higher than that.

 

Nothing is faulty, XMP is a overclock and its designed for intel platforms.

Ok, so I guess I'll try a different kit then. How do you know which ram kits are guaranteed to hit those speeds and which ones use better quality nand chips?

1 minute ago, seon123 said:

But either stick works in the other slot? Might be the motherboard that's faulty. Is the BIOS updated?

Yes, that is correct. The bios is updated to the latest version. Like I said, I got the same results trying to run vengeance lpx on my motherboard in xmp mode. Same results, one slot works, the other one won't unless I disable xmp.

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Just now, hhamama66 said:

Ok, so I guess I'll try a different kit then. How do you know which ram kits are guaranteed to hit those speeds and which ones use better quality nand chips?

Yes, that is correct. The bios is updated to the latest version. Like I said, I got the same results trying to run vengeance lpx on my motherboard in xmp mode. Same results, one slot works, the other one won't unless I disable xmp.

The kits that have the best odds of working are kits using Samsung B-die. They tend to be more expensive than most other kits. There's a list, or you can look for 3000-3200 MHz CL14 kits. 

Spoiler

 

You could just run the kits at a lower frequency. That will have higher odds of working. 

:)

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Just now, hhamama66 said:

Ok, so I guess I'll try a different kit then. How do you know which ram kits are guaranteed to hit those speeds and which ones use better quality nand chips?

This post lists most of the b-die kits: https://www.reddit.com/r/Amd/comments/62vp2g/clearing_up_any_samsung_bdie_confusion_eg_on/

 

  IC Rank Sided  
Samsung B-Die  Single  Single    

 

Is what you want. those kits can do 3400 and higher.

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On 12/25/2017 at 8:40 PM, TrigrH said:

This post lists most of the b-die kits: https://www.reddit.com/r/Amd/comments/62vp2g/clearing_up_any_samsung_bdie_confusion_eg_on/

 

  IC Rank Sided  
Samsung B-Die  Single  Single    

 

Is what you want. those kits can do 3400 and higher.

I ran the software in the reddit thread on my computer and got this: 

Prepared by Thaiphoon Burner Super Blaster
-------------------------------------------------------------
                         MEMORY MODULE
-------------------------------------------------------------
Manufacturer             : Corsair
Series                   : Vengeance RGB
Part Number              : CMR16GX4M2C3000C15
Serial Number            : 00000000h
JEDEC DIMM Label         : 8GB 1Rx8 PC4-2133P-UA0-10
Architecture             : DDR4 SDRAM UDIMM
Speed Grade              : DDR4-2133P downbin
Capacity                 : 8 GB (8 components)
Organization             : 1024M x64 (1 rank)
Register Manufacturer    : N/A
Register Model           : N/A
Manufacturing Date       : Undefined
Manufacturing Location   : Taiwan
Revision / Raw Card      : 0000h / A0 (8 layers)
-------------------------------------------------------------
                        DRAM COMPONENTS
-------------------------------------------------------------
Manufacturer             : Hynix
Part Number              : H5AN8G8NAFR-TFC
Package                  : Standard Monolithic 78-ball FBGA
Die Density / Count      : 8 Gb A-die (21 nm) / 1 die
Composition              : 1024M x8 (64M x8 x 16 banks)
Clock Frequency          : 1067 MHz (0.938 ns)
Minimum Timing Delays    : 15-15-15-36-50
Read Latencies Supported : 16T, 15T, 14T, 13T, 12T, 11T, 10T...
Supply Voltage           : 1.20 V
XMP Certified            : 1499 MHz / 15-17-17-35-52 / 1.35 V
XMP Extreme              : Not programmed
SPD Revision             : 1.0 / January 2014
XMP Revision             : 2.0 / December 2013
-------------------------------------------------------------
                         THERMAL SENSOR
-------------------------------------------------------------
Manufacturer             : STMicroelectronics
Model                    : STTS2004
Revision                 : 01h
Sensor Status            : Enabled
EVENT Output Control     : Disabled
Temperature Accuracy     : B-Grade
Temperature Resolution   : 0.2500°C (10-bit ADC)
Current Temperature      : 40.250°C
Negative Measurements    : Supported
Interrupt Capability     : Supported
-------------------------------------------------------------
                         SOURCE SPD DUMP
-------------------------------------------------------------
000  23 10 0C 02 85 21 00 08 00 00 00 03 01 03 80 00
010  00 00 08 0C FC 03 00 00 6C 6C 71 11 08 74 F0 0A
020  20 08 00 05 00 A8 1E 2B 2B 00 00 00 00 00 00 00
030  00 00 00 00 00 00 00 00 00 00 00 00 16 36 16 36
040  16 36 16 36 00 00 2B 0C 2B 0C 2B 0C 2B 0C 00 00
050  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
060  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
070  00 00 00 00 00 ED B5 CF 00 C0 00 00 00 C2 5E F8
080  11 11 00 00 00 00 00 00 00 00 00 00 00 00 00 00
090  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 B6 58
100  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140  02 9E 00 00 00 00 00 00 00 43 4D 52 31 36 47 58
150  34 4D 32 43 33 30 30 30 43 31 35 20 20 00 80 AD
160  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
170  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
180  0C 4A 05 20 00 00 00 00 00 A3 00 00 06 FC 3F 04
190  00 50 5B 5B 10 BA 16 F0 0A 20 08 00 05 00 B0 20
1A0  2B 00 00 00 00 00 00 00 00 D3 00 BA D3 D3 00 AD
1B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 

So, my ram is the sk hynix ram which means that perhaps the timings used on the vengeance lpx in my brother's computer are completely off perhaps and I should manually tweak them myself?

EDIT: it seems like the timings corsair has on their website are the same timings I'm currently using. I'm so confused right now.

Edited by hhamama66
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