The home of the pci.ids file
Main -> PCI Devices -> Vendor 8086 -> Device 8086:244e -> Subsystem 8086:244e:0000 0000, (Vendor 0000)
Name: 82801JB I/O Controller Hub 10 (ICH10) [A-0]
0000 0000 is not a subsystem that makes any sense. If your device has such a subsystem it's better to add no subsystem at all.
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