Kernel.org: 3.3.7, 
sid (unstable): 3.2.18-1
wheezy (testing): 3.2.17-1
kmuto bpo d-i: 
squeeze-bpo: 3.2.15-1~bpo60+1
squeeze (stable): 2.6.32-45
lenny (oldstable): 

Debian GNU/Linux device driver check & report

ASUS: P7H55

PCI IDWorks?VendorDeviceDriverKernel
80860040YesIntel CorporationCore Processor DRAM Controllerintel-agp
80860042YesIntel CorporationCore Processor Integrated Graphics Controlleri915v2.6.32-
80863b64Intel Corporation5 Series/3400 Series Chipset HECI Controller
80863b3cIntel Corporation5 Series/3400 Series Chipset USB2 Enhanced Host Controller
80863b56YesIntel Corporation5 Series/3400 Series Chipset High Definition Audiosnd-hda-intel
80863b42Intel Corporation5 Series/3400 Series Chipset PCI Express Root Port 1
80863b46Intel Corporation5 Series/3400 Series Chipset PCI Express Root Port 3
80863b48Intel Corporation5 Series/3400 Series Chipset PCI Express Root Port 4
80863b4aIntel Corporation5 Series/3400 Series Chipset PCI Express Root Port 5
80863b4cIntel Corporation5 Series/3400 Series Chipset PCI Express Root Port 6
80863b34Intel Corporation5 Series/3400 Series Chipset USB2 Enhanced Host Controller
8086244eYesIntel Corporation82801 PCI Bridgei810_rng
80863b06YesIntel Corporation5 Series Chipset LPC Interface ControlleriTCO_wdtv2.6.33-
80863b22YesIntel Corporation5 Series/3400 Series Chipset 6 port SATA AHCI Controllerahciv2.6.31-
80863b30YesIntel Corporation5 Series/3400 Series Chipset SMBus Controlleri2c-i801v2.6.28-
10ec8168YesRealtek Semiconductor Co., Ltd.RTL8111/8168B PCI Express Gigabit Ethernet controllerr8169v2.6.25-
197b2368YesJMicron Technology Corp.JMB368 IDE controllerjmicron

Buggy USB controllers. Full speed USB device cannot function properly or do not function at all. For example, USB Media Center Remote control receiver does not work at all if I have plugged Logitech keyboard. It doesn't work at all if plugged in the front panel.  Full speed sound cards such as Native Instruments Audio 4 DJ will exhibit periodic crackles during playback. ASUS technical support is useless in that respect. (2011-03-31 14:23:17)