Kernel.org: 3.2.5, 
sid (unstable): 3.2.4-1
wheezy (testing): 3.1.8-2
kmuto bpo d-i: 
squeeze-bpo: 3.2.1-2~bpo60+1
squeeze (stable): 2.6.32-41
lenny-bpo: 2.6.32-35~bpo50+1
lenny (oldstable): 2.6.26-27

Debian GNU/Linux device driver check & report

Compaq: 6400R

PCI IDWorks?VendorDeviceDriverKernel
10140022IBMPCI to PCI Bridge (IBM27-82351)
0e11a0f7Compaq Computer CorporationPCI Hotplug Controller
0e11a0f0Compaq Computer CorporationAdvanced System Management Controller
1000000fYesLSI Logic / Symbios Logic53c875sym53c8xxv2.6.25-
1000000fYesLSI Logic / Symbios Logic53c875sym53c8xxv2.6.25-
10024756YesATI Technologies Inc3D Rage IIC 215IIC [Mach64 GT IIC]atyfbv2.6.27-
80867110YesIntel Corporation82371AB/EB/MB PIIX4 ISAignore
80867111YesIntel Corporation82371AB/EB/MB PIIX4 IDEata_piixv2.6.25-
80867112YesIntel Corporation82371AB/EB/MB PIIX4 USBusb-uhci,uhci-hcd
80867113YesIntel Corporation82371AB/EB/MB PIIX4 ACPIi2c-piix4v2.6.25-
808684caYesIntel Corporation450NX - 82451NX Memory & I/O Controllerata_piixv2.6.25-
808684cbIntel Corporation450NX - 82454NX/84460GX PCI Expander Bridge
808684cbIntel Corporation450NX - 82454NX/84460GX PCI Expander Bridge
0e11ae10YesCompaq Computer CorporationSmart-2/P RAID Controllercpqarrayv2.6.25-
10110026Digital Equipment CorporationDECchip 21154
0e11a0f7Compaq Computer CorporationPCI Hotplug Controller
80861229YesIntel Corporation82557/8/9/0/1 Ethernet Pro 100e100v2.6.25-
80861229YesIntel Corporation82557/8/9/0/1 Ethernet Pro 100e100v2.6.25-