# refer to: # http://www.gentoo.org/doc/en/articles/hardware-stability-p2.xml # for a good article on pci tweaking # report bugs to: http://bugs.gentoo.org/show_bug.cgi?id=173347 # "open up" the PCI bus by allowing fairly long bursts # for all devices, increasing performance # (equivalent to: setpci -v -d *:* latency_timer=b0) LATENCY_TIMER_ALL="b0" # maximize latency timers for network and audio, # allowing them to transmit more data per burst, # preventing buffer over/underrun conditions # 1) specify wich cards you want to tweak: TWEAK_CARDS="00:0f.0 00:0e.0" # 2) set inidivual card params LATENCY_TIMER_00_0f_0="ff" LATENCY_TIMER_00_0e_0="ff" # (equivalent to: setpci -v -s 00:0f.0 latency_timer=ff, # setpci -v -s 00:0e.0 latency_timer=ff) VERBOSE="yes"