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ISTA-P Installer's 2.2GHz CPU Requirement Workaround (in VM)
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11-24-2023, 09:10 AM | #1 |
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ISTA-P Installer's 2.2GHz CPU Requirement Workaround (in VM)
For those installing ISTA-P (e.g. 3.72) on a VM with the installer, that encounter the pop-up requiring CPU ("base") speed of 2.2GHz, even if the host system has say a 2.5GHz+ CPU(with Intel Turbo Boost) because the "base" speed is dialed back to say 1.7GHz for energy saving, the following is a confirmed work around.
In the VM's folder, find the .vmx file, open in Notepad and add: timeTracker.apparentHz = "2200000000" It changes what the guest OS and applications within the VM will "report" as the CPU clock frequency. So you could set something like timeTracker.apparentHz = "4900000000" or timeTracket.apparentHz = "90000000", tools like CPU-Z inside a VM would show 4.9GHz or 90MHz but it won't make any difference in actual VM execution speed. But apps like the installer will see this set CPU speed and proceed with installation if it is 2.2GHz or higher. In Task Manager>Performance, the guest(VM) system CPU's base speed will be indicated as the set speed and be fixed(will not vary), but the "real" processing speed of the guest will vary and be close to that of the host system's CPU state which will vary from its base speed and the upper limit of the boosted speed. Cheers~ Last edited by tinkerman; 11-24-2023 at 09:22 AM.. |
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