[Info-vax] Disable hyper-threading from the DCL prompt

RGB 11brvo at gmail.com
Wed Mar 4 15:03:53 EST 2015


On Wednesday, March 4, 2015 at 2:34:55 PM UTC-5, RGB wrote:
> Hi all,
> 
> We have several x2800 i2's running VMS v8.4 and I seem to recall a command, issued from the DCL prompt, which disables hyper-threading at the CPU's.  I know there is another way to do so from EFI but I thought it was also possible to do so from DCL.  (Knowing that it will not take effect until the next reboot.)
> 
> Can someone please refresh my feeble mind as to the command?
> 
> Thanks in advance.
> 
> Rich

Never mind all, I figured it out:

hthread :== $sys$test:hthreads.exe

hthread off

Regards,
Rich



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