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X399 Taichi Boot Loop After Flashing to BIOS v1.80

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datonyb View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote datonyb Quote  Post ReplyReply Direct Link To This Post Posted: 10 Nov 2017 at 4:32am
unstable or weird events

a quick google reveals as far as these sticks go , well they dont fly the flag very well for gskill lets just say

techpowerup tested them and found very bad overclocking potential even unstable at 3333mhz
allthough they did report they got them stable at 3200 16/16/16/16 BUT this was with a well proven intel system that the xmp was designed for

anyways back to your ram yes the kits in pairs are harder work than the quads

becuase alledgedly............ram kits are suposed to be matched, quite how much effort goes into matching them we'll never know

imagine your worst case scenario (and i mean worst case) one pack has sat on shelf for a month and is sent out to you with a pack fresh off the line  now 4 sticks at least will be a pretty bad match (compared to a quad kit)

anyways enough far fetched examples
lets try and see if there is a way to sort out what of the 8 sticks were supposed to be matched as a pair

first option would be to study the serial numbers and try to find a pattern or concurrent numbering would be nice

try and see if you can use that to match pairs for testing

and yes at some stage ,i will try and help you find settings for manual bios options

but credit for the settinhs will have to go to two guys named chew and 1usmus who are far more gurus than myself

i can just lead you to thier knowledge and help you adjust it for yourself

ive had confirmation today from 1usmus that his ryzen timing calculator will work for threadripper and he seems to be working for the option to set the tool automatically to adjust everything for threadripper

heres a link for a quick read

http://www.overclock.net/t/1640919/ryzen-dram-calculator-overclocking-dram
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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jjoshua2 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jjoshua2 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Nov 2017 at 11:02pm
I'm having this same problem with a x399 asrock gaming professional I just picked up on black friday sales along with an 1950x and 4x ddr4-3200 g. skill tridentz cas 14 8gb samsung b die (so better ram). It came with bios 1.4 and booted fine with all 4 sticks, but memtest7 only showed 16g. So I flashed to 1.8 and it wouldn't but up with anything in either D1 or D2, but I was able to get it to work with 3 even at ddr4-3200 cas 14 and memtest stable overnight, now seeing 24g.

I flashed to 1.7 and now it boots up and the bios sees quadruple channel memory, but memtest still only sees 24g. I flashed with just two good sticks back to 1.8 and still the same state as before. It seems to be either a bad MOBO or bios. I can swap out sticks and any work fine on 6 of the slots, but none work in the d1 and d2 slots it seems.


Edited by jjoshua2 - 27 Nov 2017 at 11:14pm
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jmmec View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jmmec Quote  Post ReplyReply Direct Link To This Post Posted: 28 Nov 2017 at 10:46am
Just curious:  with 4 sticks you should be installing them in A2, B2, C2, D2 according to the manual?  Just wondering why you're also attempting to use D1 and some of the other slots?
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damaya1982 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote damaya1982 Quote  Post ReplyReply Direct Link To This Post Posted: 29 Nov 2017 at 12:21pm
Originally posted by jjoshua2 jjoshua2 wrote:

I'm having this same problem with a x399 asrock gaming professional I just picked up on black friday sales along with an 1950x and 4x ddr4-3200 g. skill tridentz cas 14 8gb samsung b die (so better ram). It came with bios 1.4 and booted fine with all 4 sticks, but memtest7 only showed 16g. So I flashed to 1.8 and it wouldn't but up with anything in either D1 or D2, but I was able to get it to work with 3 even at ddr4-3200 cas 14 and memtest stable overnight, now seeing 24g.

I flashed to 1.7 and now it boots up and the bios sees quadruple channel memory, but memtest still only sees 24g. I flashed with just two good sticks back to 1.8 and still the same state as before. It seems to be either a bad MOBO or bios. I can swap out sticks and any work fine on 6 of the slots, but none work in the d1 and d2 slots it seems.


Exact same issue I am having. With 1.7, works perfectly fine quad channel, DIMMs in A2/B2/C2/D2, but it does not show the correct amount of memory in OS. Flashing to 1.8 or above and it will not boot with anything in D1 or D2 slots.


Edited by damaya1982 - 29 Nov 2017 at 12:21pm
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jjoshua2 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jjoshua2 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Dec 2017 at 8:31am
new mobo fixed
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