diff --git a/pc-bios/README b/pc-bios/README
index 437ef1c26898473d9e8ae7d78f2631c928a109b4..fc940a7c9de8d54705e0e82fa00a5c40e298a0cb 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -14,9 +14,8 @@
 - OpenBIOS (http://www.openbios.org/) is a free (GPL v2) portable
   firmware implementation. The goal is to implement a 100% IEEE
   1275-1994 (referred to as Open Firmware) compliant firmware.
-  The included image for PowerPC (for 32 and 64 bit PPC CPUs) is
-  built from OpenBIOS SVN revision 721, the Sparc32 and Sparc64 ones
-  are built from OpenBIOS SVN revision 683.
+  The included image for PowerPC (for 32 and 64 bit PPC CPUs), Sparc32
+  and Sparc64 are built from OpenBIOS SVN revision 771.
 
 - The PXE roms come from Rom-o-Matic gPXE 0.9.9 with BANNER_TIMEOUT=0
 
diff --git a/pc-bios/openbios-ppc b/pc-bios/openbios-ppc
index 340fc69b78b594d3aef14a2932d237cdbe9a1ef4..34e188e578c7031083823e7f76053bf96365f4cd 100644
Binary files a/pc-bios/openbios-ppc and b/pc-bios/openbios-ppc differ
diff --git a/pc-bios/openbios-sparc32 b/pc-bios/openbios-sparc32
index 4f2f45f2c4b3a0f24dad16c5b004cfdfe9a0c446..4c2a9f7210e724042b17e8f59285ea8d1d2119c1 100644
Binary files a/pc-bios/openbios-sparc32 and b/pc-bios/openbios-sparc32 differ
diff --git a/pc-bios/openbios-sparc64 b/pc-bios/openbios-sparc64
index 632f9380da360c4879fd03242fcea64a7493bc0d..fdb739baa24d57aa92c26a62d47d091e4fe3a10e 100644
Binary files a/pc-bios/openbios-sparc64 and b/pc-bios/openbios-sparc64 differ