RazaAbbas
Contributor
Contributor

Guest VM Configuration

I'm running an XP VM on ESXi Server version 4. I'm attempting to test a software on different hardware configurations - different VMs with varying CPU speed, memory and hard disk space. While HDD and Memory can be easily configured using vSphere, I was wondering how can I manipulate the CPU speed so as to simulate a slower system. I can see there are "Reservation and Limit" options in Resources tab in VM settings, but my question is whether setting a reservation / limit to a particular value has the same effect as running a slower cpu? For example, If I set Reservation and Limit to 667Mhz ... is it the same as running on a 667Mhz CPU? I need to know this so that I can claim having tested the software on a slower system.

Thanks!

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