KVM is enabled in BIOS too. I doubled checked it. Disabled and even got a message saying the KVM is not available when Disabled in BIOS…. Thanks, Vinícius Ferrão: Administrador de Sistemas www.ferrao.eti.br | +55 (21) 8888-2619 On Apr 18, 2013, at 11:29 AM, Robert Bridge wrote: > Hi, > > Are you sure your hardware virt isn't disabled in the BIOS? It is, in > my experience, the one BIOS setting the linux kernel doesn't/can't > over-ride. > > Cheers, > RobbieAB > > On 18 April 2013 01:35, Vinícius Ferrão wrote: >> Hello dudes, >> >> Thanks for the replies. >> >> But I've read somewhere that -no-kvm should be enabled in order to run NT4 >> Properly. >> >> Anyway, I removed the flag and nothing really happened. It's still slow. >> It's usable, but slow. VMWare was much faster. >> >> And about the RAM issue. It's Windows NT4. I don't think more is necessary. >> The machine boots consuming only 30MB. And about the slowness of the system >> is during CPU intensive operations. >> >> Anything else to try dudes? >> >> Thanks, >> >> Vinícius Ferrão: Administrador de Sistemas >> www.ferrao.eti.br | +55 (21) 8888-2619 >> >> On Apr 17, 2013, at 5:54 PM, Hinnerk van Bruinehsen >> >> wrote: >> >> On Wed, Apr 17, 2013 at 07:34:00PM +0000, Vinícius Ferrão wrote: >> >> Hello dudes, >> >> I'm running Windows NT 4 Terminal Server on QEMU and the performance is too >> slow; I don't even know how to debug it and I even don't if this is normal >> or not. >> >> On VMWare Player the performance was much better. And this isn't a >> migration. I've reinstalled the NT4 from the ground. >> >> Anyway; i'm launching the VM with this arguments: >> kvm -m 128m -name WinNT4TS -drive file=winnt4ts.raw -cdrom Windows\ NT\ 4\ >> Terminal\ Server\ Image/WINNT-TSE40.iso -net >> nic,model=ne2k_pci,macaddr=00:0c:29:74:fa:b4 -net tap -vga std -cpu >> pentium,level=1 -smp 1 -no-acpi -no-hpet -no-kvm -boot c -vnc none >> -daemonize >> >> >> Hi, >> >> iirc the commandline switch --no-kvm disables kvm (so it'S just software >> emulated qemu). You disable hardware virtualization accerleration with >> it. >> >> Other than that: more than 128 MB ram will most likely also help to >> speed things up. >> >> WKR >> Hinnerk >> >> >