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x399 taichi: 75% of RAM is hardware reserved

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gr1zzly View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gr1zzly Quote  Post ReplyReply Direct Link To This Post Posted: 10 Mar 2018 at 10:44am
Hi wardog,

Originally posted by wardog wardog wrote:

Griz, are all 4 sticks consecutive serial numbered?

- yes and no, their serial numbers end with these numbers:

T000052 - raises C0 when used in single channel in any slot (A1 to D2)
T000053 - same as above
T000062 - same as above
T000063 - works in any slot, doesn't raise any BIOS errors

Thanks!

x399 taichi, 1950x, 32 GB HyperX 2666 DDR4, 500 GB Samsung EVO M.2, Radeon 550
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gr1zzly Quote  Post ReplyReply Direct Link To This Post Posted: 10 Mar 2018 at 10:46am
Hi John, 

Originally posted by JohnM JohnM wrote:

@gr1zzly Don't be confused by the fact that CPU-Z shows the actual clock frequency for your RAM. 1200 MHz is correct for DDR4-2400.

You're right, I didn't know that!

x399 taichi, 1950x, 32 GB HyperX 2666 DDR4, 500 GB Samsung EVO M.2, Radeon 550
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 10 Mar 2018 at 11:36am
Originally posted by gr1zzly gr1zzly wrote:

Hi wardog,

Originally posted by wardog wardog wrote:

Griz, are all 4 sticks consecutive serial numbered?

- yes and no, their serial numbers end with these numbers:

T000052 - raises C0 when used in single channel in any slot (A1 to D2)
T000053 - same as above
T000062 - same as above
T000063 - works in any slot, doesn't raise any BIOS errors

Thanks!



Not good. If you bought this as a 32GB Kit with 4 sticks, return it.

While "close' , you nor I can guarantee this is 4 Matched sticks.

Kit serials run consecutive.

Fishy and dodgy.


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TANWare View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TANWare Quote  Post ReplyReply Direct Link To This Post Posted: 10 Mar 2018 at 5:26pm
If the sticks, any of them, are in single channel mode returning an error they are bad sticks, at least to this board. RMA the lot of them........
x399 Taichi, 1950x, 32GB 3466 DDR4
2x500GB 960EVO,Asus 1080TI
Passmark
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gr1zzly Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 2018 at 8:50am
Hi TANWare,

Originally posted by TANWare TANWare wrote:

If the sticks, any of them, are in single channel mode returning an error they are bad sticks, at least to this board. RMA the lot of them........

I didn't know that, I always thought that they work only when all 4 are plugged in. Thanks for the insight!
x399 taichi, 1950x, 32 GB HyperX 2666 DDR4, 500 GB Samsung EVO M.2, Radeon 550
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gr1zzly Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 2018 at 8:52am
Hi wardog,

Originally posted by wardog wardog wrote:

Originally posted by gr1zzly gr1zzly wrote:

Hi wardog,

Originally posted by wardog wardog wrote:

Griz, are all 4 sticks consecutive serial numbered?

- yes and no, their serial numbers end with these numbers:

T000052 - raises C0 when used in single channel in any slot (A1 to D2)
T000053 - same as above
T000062 - same as above
T000063 - works in any slot, doesn't raise any BIOS errors

Thanks!



Not good. If you bought this as a 32GB Kit with 4 sticks, return it.

While "close' , you nor I can guarantee this is 4 Matched sticks.

Kit serials run consecutive.

Fishy and dodgy.



Yes, it's a single 32 GB kit with 4 sticks. That's a great tip, I will return it. Thanks!
x399 taichi, 1950x, 32 GB HyperX 2666 DDR4, 500 GB Samsung EVO M.2, Radeon 550
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 2018 at 10:34am
Originally posted by gr1zzly gr1zzly wrote:

Yes, it's a single 32 GB kit with 4 sticks. That's a great tip, I will return it. Thanks!


Keep us posted after the exchange please.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote gr1zzly Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar 2018 at 2:08pm
Hi wardog,

Originally posted by wardog wardog wrote:

Originally posted by gr1zzly gr1zzly wrote:

Yes, it's a single 32 GB kit with 4 sticks. That's a great tip, I will return it. Thanks!


Keep us posted after the exchange please.

Will do, I have just requested a replacement of the same RAM kit. I will update the topic in approximately two weeks.

Thanks for the help.

x399 taichi, 1950x, 32 GB HyperX 2666 DDR4, 500 GB Samsung EVO M.2, Radeon 550
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gr1zzly Quote  Post ReplyReply Direct Link To This Post Posted: 28 Mar 2018 at 5:41am
A quick update:

I ordered a new kit of the same memory and tested each module separately. I plugged in one module at a time and everything works flawlessly, there are no errors! This proves that in the old memory kit, 3 out of 4 sticks were faulty.

The new kit serial numbers do not run in order - as it was with my previous kit, this is apparently not followed by HyperX, however, they do work.

As to the old kit, I was just issued a full refund and postal fees.

Many, many thanks to everyone on this forum!

Your prompt advices helped me pinpoint the issue in memory modules.

Thanks!

x399 taichi, 1950x, 32 GB HyperX 2666 DDR4, 500 GB Samsung EVO M.2, Radeon 550
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TANWare Quote  Post ReplyReply Direct Link To This Post Posted: 28 Mar 2018 at 12:58pm
Glad to hear all is working properly.
x399 Taichi, 1950x, 32GB 3466 DDR4
2x500GB 960EVO,Asus 1080TI
Passmark
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