Kernel.org: 5.3
sid (unstable): 5.2.9-2
buster (testing): 4.19.67-2
stretch (stable): 4.9.189-3
jessie (oldstable): 3.16.72-1

Debian GNU/Linux device driver check & report

Intel: SC450NX

PCI IDWorks?VendorDeviceDriverKernel
11063065YesVIA Technologies, Inc.VT6102 [Rhine-II]via-rhinev2.6.25-
10000001YesLSI Logic / Symbios Logic53c810sym53c8xxv2.6.25-
101300bcYesCirrus LogicGD 5480cirrusfbv2.6.25-
8086123dIntel Corporation683053 Programmable Interrupt Device
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
1000000bYesLSI Logic / Symbios Logic53C896/897sym53c8xxv2.6.25-
1000000bYesLSI Logic / Symbios Logic53C896/897sym53c8xxv2.6.25-

http://support.intel.com/support/motherboards/server/SC450NX/
2x Xeon 450MHz
Works perfeclty. Only IPMI driver is missing in current 2.6 kernel.