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| Windows Registry Editor Version 5.00 | |
| [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorPort] | |
| "HMBAllocationPolicy"=dword:00000002 | |
| [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\stornvme\Parameters\Device] | |
| "HostMemoryBufferBytes"=hex(7):56,00,45,00,4e,00,5f,00,31,00,35,00,42,00,37,00,\ | |
| 26,00,44,00,45,00,56,00,5f,00,35,00,30,00,31,00,37,00,26,00,52,00,45,00,56,\ | |
| 00,5f,00,3f,00,3f,00,20,00,36,00,37,00,31,00,30,00,38,00,38,00,36,00,34,00,\ | |
| 00,00,56,00,45,00,4e,00,5f,00,31,00,35,00,42,00,37,00,26,00,44,00,45,00,56,\ | |
| 00,5f,00,35,00,30,00,34,00,31,00,26,00,52,00,45,00,56,00,5f,00,3f,00,3f,00,\ | |
| 20,00,36,00,37,00,31,00,30,00,38,00,38,00,36,00,34,00,00,00,00,00 |
Anyone know what these values should be for an sn550 drive? I've also been affected by BSOD but no firmware update. New HWinfo update reports 200mb hmb even if it set all variables.
Just try to disable HMB, setting the limit didn't help me initially either, although I have an SN770
Anyone know what these values should be for an sn550 drive? I've also been affected by BSOD but no firmware update. New HWinfo update reports 200mb hmb even if it set all variables.
check the device manager
Thanks, value that worked for the sn550 if anyone else is interested is:
VEN_15B7&DEV_5009&REV_?? 67108864
SN530 too seems to be affected, the value to add to HostMemoryBufferBytes is VEN_15B7&DEV_5008&REV_?? 67108864
Possibly you will need to check your PCI device id in device manager.
You might to experiencing a different issue, as WD don't list your drive as affected ? Have you checked your current HMB allocation?
Have you checked your current HMB allocation?
This is what I see in HWinfo with the fix:
Without the fix I get IO1 Initialization failed BSOD
Interesting looks like WD have missed some affected models. You could try and let them know via a support ticket.
But I'm not 100% sure it's a problem, for example now successfully booted with HMB 200MB (which still seems abnormal to me) without BSOD:
Anyone know what these values should be for an sn550 drive? I've also been affected by BSOD but no firmware update. New HWinfo update reports 200mb hmb even if it set all variables.