--- qemu/pc-bios/README	2018/04/24 16:37:52	1.1
+++ qemu/pc-bios/README	2018/04/24 16:46:43	1.1.1.3
@@ -7,11 +7,16 @@
 - The PowerPC Open Hack'Ware Open Firmware Compatible BIOS is
   available at http://perso.magic.fr/l_indien/OpenHackWare/index.htm.
 
-- Proll is a GPL'd boot PROM for Sparc JavaStations
-  (http://people.redhat.com/zaitcev/linux/).
-  Applying proll.patch allows circumventing some bugs and enables
-  faster kernel load through a hack.
-
 - video.x is a PowerMac NDRV compatible driver for a VGA frame
   buffer. It comes from the Mac-on-Linux project
   (http://www.maconlinux.org/).
+
+- 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 PXE roms come from Rom-o-Matic etherboot 5.4.2.
+  pcnet32:pcnet32 -- [0x1022,0x2000]
+  ns8390:winbond940 -- [0x1050,0x0940]
+  rtl8139:rtl8139 -- [0x10ec,0x8139]
+  http://rom-o-matic.net/