diff --git a/pc-bios/acpi-dsdt.aml b/pc-bios/acpi-dsdt.aml
index bb3dd83a56..18b4dc1aa5 100644
Binary files a/pc-bios/acpi-dsdt.aml and b/pc-bios/acpi-dsdt.aml differ
diff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index dc9b57ddc9..3eefff4cf8 100644
Binary files a/pc-bios/bios.bin and b/pc-bios/bios.bin differ
diff --git a/pc-bios/q35-acpi-dsdt.aml b/pc-bios/q35-acpi-dsdt.aml
new file mode 100644
index 0000000000..8a50559514
Binary files /dev/null and b/pc-bios/q35-acpi-dsdt.aml differ
diff --git a/roms/seabios b/roms/seabios
index b1c35f2b28..e8a76b0f22 160000
--- a/roms/seabios
+++ b/roms/seabios
@@ -1 +1 @@
-Subproject commit b1c35f2b28cc0c94ebed8176ff61ac0e0b377798
+Subproject commit e8a76b0f225bba5ba9d63ab227e0a37b3beb1059