I just updated my old 1.8 p4 to an 800 mhz chip. The bios says hyperthreading is
enabled but it does not appear to work in win 2K. I thought w2K supported it? Am
I missing something?
W2K does not fully support Hyperthreading (i.e. W2K does not "know" that
there really is only one processor physically there and that the second
one is only a logical CPU). This may or may not lead to problems. For
99% of the people using HT with W2K, it works fine. I have read from
some, though, who had problems with Hyperthreading on Dual Xeon servers
with W2K.
Nevertheless, it SHOULD work. What I guess you did wrong is that you
installed W2K on a non-Hyperthreading system and then just upgraded your
CPU with changing the HAL of the installed Windows system. W2K does not
update the HAL automatically if you change your CPU. You can easily fix
this, though:
- go into device manager
- expand "computer"
- right click the "advanced .... PC" entry there and choose properties
- go to driver - update driver
- click next, choose "display..." and click next
- chose "show all...", then choose "ACPI Multiprocessor PC" and click
next. Let Windows install the driver, then reboot your system
Voila, should give you two processors in the task manager.
Oh, maybe you should make a backup before doing this. Could lead to a
non-booting system if you make a mistake. Pressing "F8" at bootup time
when the progress bar (black screen) appears should give you some
emergency options, though.
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