diff --git a/hwd/src/backend/acpi.rs b/hwd/src/backend/acpi.rs
index 9827f5aae3..924a4e14db 100644
--- a/hwd/src/backend/acpi.rs
+++ b/hwd/src/backend/acpi.rs
@@ -65,10 +65,11 @@ impl Backend for AcpiBackend {
                         "PNP0303" => "IBM Enhanced (101/102-key, PS/2 mouse support)",
                         "PNP0400" => "Standard LPT printer port",
                         "PNP0501" => "16550A-compatible COM port",
-                        "PNP0A03" => "PCI bus",
+                        "PNP0A03" | "PNP0A08" => "PCI bus",
                         "PNP0A05" => "Generic ACPI bus",
                         "PNP0A06" => "Generic ACPI Extended-IO bus (EIO bus)",
                         "PNP0B00" => "AT real-time clock",
+                        "PNP0C01" => "System board",
                         "PNP0C0F" => "PCI interrupt link device",
                         "PNP0F13" => "PS/2 port for PS/2-style mouse",
                         _ => "?",