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

IBM: ThinkPad X21

PCI IDWorks?VendorDeviceDriverKernel
80867190YesIntel Corporation440BX/ZX/DX - 82443BX/ZX/DX Host bridgeagpgart
80867191YesIntel Corporation440BX/ZX/DX - 82443BX/ZX/DX AGP bridgeagpgart
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-
11800476YesRicoh Co LtdRL5c476 IIyenta_socketv2.6.25-
11800476YesRicoh Co LtdRL5c476 IIyenta_socketv2.6.25-
80861229YesIntel Corporation82557/8/9/0/1 Ethernet Pro 100e100v2.6.25-
11c1045cAgere SystemsLT WinModem
10136005YesCirrus LogicCrystal CS4281 PCI Audiosnd-cs4281v2.6.25-
10024c4dYesATI Technologies IncRage Mobility P/M AGP 2xatyfbv2.6.27-

LT WinModem は、lt_modem, lt_serial ドライバで動作しています。

PCI IDWorks?VendorDeviceDriverKernel
80867190YesIntel Corporation440BX/ZX/DX - 82443BX/ZX/DX Host bridgeagpgart
80867191YesIntel Corporation440BX/ZX/DX - 82443BX/ZX/DX AGP bridgeagpgart
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-
11800476YesRicoh Co LtdRL5c476 IIyenta_socketv2.6.25-
11800476YesRicoh Co LtdRL5c476 IIyenta_socketv2.6.25-
80861229YesIntel Corporation82557/8/9/0/1 Ethernet Pro 100e100v2.6.25-
11c1045cAgere SystemsLT WinModem
10136005YesCirrus LogicCrystal CS4281 PCI Audiosnd-cs4281v2.6.25-
10024c4dYesATI Technologies IncRage Mobility P/M AGP 2xatyfbv2.6.27-
PCI IDWorks?VendorDeviceDriverKernel
80867190YesIntel Corporation440BX/ZX/DX - 82443BX/ZX/DX Host bridgeagpgart
80867191YesIntel Corporation440BX/ZX/DX - 82443BX/ZX/DX AGP bridgeagpgart
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-
11800476YesRicoh Co LtdRL5c476 IIyenta_socketv2.6.25-
11800476YesRicoh Co LtdRL5c476 IIyenta_socketv2.6.25-
80861229YesIntel Corporation82557/8/9/0/1 Ethernet Pro 100e100v2.6.25-
11c1045cAgere SystemsLT WinModem
10136005YesCirrus LogicCrystal CS4281 PCI Audiosnd-cs4281v2.6.25-
10024c4dYesATI Technologies IncRage Mobility P/M AGP 2xatyfbv2.6.27-
17fe2220InProComm Inc.IPN 2220 802.11g

BUFFALO WLI2-CB-G54L は ndiswrapper 1.1-4 で動作するが不安定。