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TwinCAT Blue Screen 64 Bit AMD Processor

Nick Kleinjan

8/6/2009 12:49:41 PM

I shamelessly copied this scenario and solution from the TwinCAT Developer LinkedIn group. Kudos to Steve Maves of Beckhoff Automation USA support, who fixed a customer's bluescreen issue by making the registry tweak below.

I have had a Dell laptop on a project recently that blue screens every time I try to start the TwinCAT System. I am not sure if this is the same problem that is described below, but I am going to try this tweak the next time I have access to the laptop.

I will update this post when I determine if this fixed my problem as well. 

The Blue Screen Problem

Numerous blue screens of death (BSOD) are occuring on a development computer.

STOP: 0x0000008E (0xC0000005, 0xDE04BCA5, 0xECDEAA70, 0x00000000)
TcRunTime.sys-adress ED04BCA5 base at ED037000, DateStamp 48e34ca8

The PC System Properties

AMD Athlon 64 Bit,1.5 GHz, 512 MB, Gigabyte motherboard (GA-K8VT800 Pro) with XP pro SP2

The Registry Tweak Solution

Changing the registry key

HKEY_LOCAL_MACHINE\SOFTWARE\BECKHOFF\TWINCAT\SYSTEM KEY
‘DisableC1E’ to value ‘0’

According to Steve: "This regkey disables TwinCAT from using a feature which is only available on Intel CPU's"

Nice work Beckhoff Support! Thanks Steve for publicizing this registry tweak, hopefully it will fix my issues as well.

TwinCAT Intel Blue Screen AMD

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Comments  22

  • Ron Potter 12/14/2009 12:00:00 AM

    THANKS.....this worked for me!!!!!

  • Simon Hedges 4/15/2010 12:00:00 AM

    You may be interested to ask TwinCAT related questions at the LinkedIn TwinCAT Developers Group: http://www.linkedin.com/groups?gid=1860933

    I'm afraid that you will have to joinLinkedIn before you can join the Group.

  • SKS Control 3/4/2011 12:00:00 AM

    thank you.

    worked for me too.

    AMD Athlon 64, 1800 MHz 2800+
    Abit kv80
    Windows 2000/sp4
    3Com EtherLink XL 10/100 PCI  (3C905C-TX)
    TwinCAT v2.11

  • Gerry 4/8/2011 12:00:00 AM

    awesome! thank you!!
    A++

    AMD Phenom II N850 Triple-Core, 2.20 GHz
    Win7 Pro (x86)
    TwinCAT v2.11.1551

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