What is SUBTIM-CORRUPT?
This critical-severity issue affects the system memory (RAM). The board set too aggressive sub-timings (eg tFAW, tRRD). The usual suspects are poor quality CPU controller, frequency too high and dust in slot. See the troubleshooting steps below for the fix.
Common Causes
- Different modules in one board
- Poor quality CPU controller
- Frequency too high
- Dust in slot
Step-by-Step Fix Guide
-
1
Disable XMP profile in BIOS
Disable XMP profile in BIOS tends to be the quickest win here, addressing the most typical cause of SUBTIM-CORRUPT.
-
2
Clean the RAM contacts with a school eraser
Should the issue continue afterward, the remaining steps are there to cover the less common ram instability scenarios.
-
3
Update BIOS for better compatibility
"Update BIOS for better compatibility" handles an edge case some users report with SUBTIM-CORRUPT.
Commands & Diagnostics
mdsched.exe
wmic memorychip get capacity
Frequently Asked Questions
In most cases, different modules in one board is behind SUBTIM-CORRUPT. Poor quality CPU controller, frequency too high and dust in slot can trigger it too.
"Disable XMP profile in BIOS" clears up most SUBTIM-CORRUPT reports by itself. The remaining steps above cover what's left.
Yes — SUBTIM-CORRUPT is a critical-severity error and can lead to data loss or hardware damage if it's ignored. Don't put off the fix steps above.
Usually. SUBTIM-CORRUPT is fixable with the steps above; a full Windows reinstall is rarely necessary unless everything else has failed.
MemTest86 is strongly recommended if SUBTIM-CORRUPT occurs repeatedly. It runs overnight and tests all RAM slots independently. Even a few errors in MemTest indicate faulty RAM that should be replaced.
Still Need Help?
Search our full database of 535+ documented PC errors for more solutions and step-by-step repair guides.
Search Error Database