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TUF GAMING X670E-PLUS can get corrupted bios settings, give Q-led cycle and no post (+fix)

Tarvoskemwer
Level 7

Recently got a TUF GAMING X670E-PLUS because my experiences have been good with Asus in the past, that however has changed a lot with this board:

Result in short: a power loss to the board can corrupt the bios prompting a bios reset and potentially a bios flashback, which can safely be considered a rather huge design overlook and other users of the Asus AMD 600-platform should be aware of this.

Story and details:
First off I received a board which was supposed to be factory new, but was in fact a 2nd hand where someone had ******ed up the bios; likely shipped it back without telling and it was then just shipped back out without a checkup. The board kept cycling thru cpu, dram, vga and never posting. Took me 48 hours to figure that one out, purely because I assumed I had received a factory checked board and therefore reassembled the pc several times when debugging. (I also ended up noticing that the moron had left a couple nice fat fingerprints on the cpu backplate.)

After I got the board up and running thru an emergency bios flashback it was then on to testing, which included the Asus Armory software. Which (at first) seemed to be able to trigger corruption in the bios settings and leading to no post and q-led cycling under the following conditions:
Asus Armory installed
A game running (Core Keeper in this instance)
Changing ANGLE graphics backend in chrome://flags/ while the game was running
 - doing so triggered a black screen and a complete freeze which forced me to cut power. Which then gave me the q-led cycling and no post, that is, until I did a bios reset.

So I then proceeded to removing all Asus software and all seemed well, for a while at least.

A few days later I turned off the power on the wall while the system was in sleep mode, only to find that it jumped back to Q-led cycle and no post - so had to reset bios once again to get it up and running. The finding was confirmed when I did the same again a few days later.

In short (again): a power loss to the board can corrupt the bios prompting a bios reset and potentially a bios flashback, which can safely be considered a rather huge design overlook and other users of the Asus AMD 600-platform should be aware of this.

System details:

ASUS GeForce RTX 3060 TI 8GB GDDR6 DUAL MINI V2 (LHR)
SKU: 90YV0FT3-M0NA00

ASUS TUF GAMING X670E-PLUS (ATX, X670E, AM5)
SKU: 90MB1BJ0-M0EAY0

AMD Ryzen™ 5 7600X Desktop Processor (Boxed)
SKU: 100-100000593WOF

Scythe Fuma 2 Rev. B CPU Cooler (MX-4 paste)
SKU: SCFM-2100

G.Skill Trident Z5 Neo DDR5 2x16GB DIMM 288-PIN 6000 MHz PC5-48000
SKU: F5-6000J3038F16GX2-TZ5N

Samsung 980 PRO PCIe® NVMe® SSD 2TB
SKU: MZ-V8P2T0 / MZ-V8P2T0B/AM

CoolerMaster Silent Pro Gold 1000W
SKU: RSA00-80GAD3-EU
rated for 100.000 hours, running since 2010, ballpark estimate 8 hours a day which should make it good for 34 years
Intel Form Factor ATX 12V V2.3SSI Form Factor EPS 12V V2.92
PFC Active PFC (0.99)
Output Capacity 1000 W
Max. Output Capacity 1200 W
Input Voltage 90-264 Vac (Auto Range)
Efficiency 90% typical
MTBF >100,000 hours
Protection OVP / UVP / OCP / OPP / OTP / SCP
Regulatory CE / FCC / UL / TUV / C-Tick / GOST / BSMI / CCC / KCC

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3 REPLIES 3

Silent_Scone
Super Moderator

Hi there,

The Q-CODE LED cycle sounds like failure to complete memory training due to an unstable OC.
F5-6000J3038F16GX2-TZ5N does not appear to be on the QVL. Disable EXPO/XMP and retest.

 

 

13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090

same result with default bios settings, aka EXPO disabled

as for QVL, the modules are identical to F5-6000J3038F16GX2-TZ5NR - only difference is that the R model have RGB

Perhaps take a video, what Q-Code does the board stop on before cycling?

13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090