On Sun, 30 May 2010, Adryan Pop wrote:
I've installed CentOS 5.5, fixed my problems with my network card driver, and and I've followed this: http://wiki.centos.org/AdditionalResources/HardwareList/AtiDriver , downladed latest ati driver, restarted, screen resolution is fixed, but everything lags.ATI Radeon HD 5470 1GB this is the output of "lspci -v" 01:00.0 VGA compatible controller: ATI Technologies Inc Manhattan [Mobility Radeon HD 5000 Series] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Unknown device 1bf2 Flags: bus master, fast devsel, latency 0, IRQ 11 Memory at c0000000 (64-bit, prefetchable) [size=256M] Memory at d0020000 (64-bit, non-prefetchable) [size=128K] I/O ports at d000 [size=256] Expansion ROM at d0000000 [disabled] [size=128K] Capabilities: <access denied>
I have had similar issues with Dell machines. This seems to be related to the BIOS. In almost every case, if there is a new ATI driver there is a new Dell BIOS version. Check your motherboard manufacturer and see if there is an update that might correct it.
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