Tag Archives: Windows 7

“Gotchas” With ASUS KGPE-D16 Motherboards

I’m going to be keeping a list of problems I’ve noted with various applications of ASUS KGPE-D16 motherboards and will be updating this posting as I gather more information. I’ll also be including notes on compatible interface cards and operating … Continue reading

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Enabling Jumbo Frames Can Be Strangely Hazardous to Network Performance – Example Using Windows Vista With Realtek NIC, Samba, and NX Server

Recently I ran into a snafu with Ethernet jumbo frames that was quite annoying while trying to speed up network performance. This particular LAN has a mix of operating systems with a server running Ubuntu Linux offering Samba file sharing … Continue reading

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AMD’s New Bulldozer FX and Opteron Processors Offer Affordable High Memory Capacity and ECC

When you’re building a workstation or server intended for high reliability and solid performance, one of the chief obstacles you’ll face today is picking a processor and motherboard that can supports lots of affordable and reliable RAM. Ideally you want … Continue reading

Posted in Hardware, Memory, Motherboards, Processors | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | 5 Comments

QEMU “Bad RAM offset” Error When Using More Than 3GB RAM in VM

I had a Windows 7 64-bit virtual machine running with 4GB successfully using the QEMU / KVM version that came with Ubuntu 11.04. As patches were offered by Ubuntu Update Manager, I upgraded to a newer version. Now I’m running … Continue reading

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AC97 Sound Doesn’t Work In Windows 7 64-Bit Running on QEMU/KVM, Try HDA Sound

While experimenting with Windows 7 64-bit running in a virtual machine on Ubuntu 11.04 using QEMU/KVM, I tried to use the AC97 sound adapter in the virtual machine. After much searching, it turns out that there isn’t a 64-bit Windows … Continue reading

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Why Doesn’t Windows 7 Task Manager In QEMU/KVM Guest VM Show More Than One Processor?

SMP Settings for 4 cores running a Windows 7 VM

I’ve been experimenting with Windows 7 running in a guest VM on Ubuntu 11.04 using the built-in QEMU/KVM virtualization solution. The physical processor in this particular machine has 8 cores. Using AQEMU, a graphical configuration tool for QEMU, I set … Continue reading

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