Comment 38 for bug 446674

Revision history for this message
jean-baptiste (jbateau54) wrote : Re: [M7 LW] no more stellarium or googleearth with mesa 7.6 with Radeon Mobility 7500 1002:4c57

Can a bios update help???? my current bios version is 3.05
When i read the bios read me their is:
 3.04a(1RETC4WW/22 Apr 2004) Support for ThinkPad T42/T42p
 3.05a(1RETC6WW/14 May 2004) Support for a new Video memory
 3.06f(1RETCDWW/18 Jun 2004) Support for ThinkPad R51 new models
                               and new functions
 3.08a(1RETD4WW/05 Aug 2004) Support for ThinkPad T42 new models,
                               new functions and problem fixes
 3.09f(1RETDBWW/16 Sep 2004) A problem fix
 3.10b(1RETDEWW/01 Oct 2004) Support for ThinkPad T42 new models,
                               function enhancements and problem fixes.
 3.11 (1RETDFWW/13 Oct 2004) Problem fixes
 3.12 (1RETDGWW/18 Oct 2004) New chip support
 3.13 (1RETDHWW/29 Oct 2004) A problem fix
 3.14 (1RETDIWW/20 Jan 2005) Problem fixes
 3.15 (1RETDJWW/29 Mar 2005) A problem fix
 3.16 (1RETDKWW/19 Apr 2005) A new function and problem fixes
 3.17 (1RETDLWW/27 Jul 2005) A new function and problem fixes
 3.18 (1RETDMWW/15 Sep 2005) Problem fixes
 3.19 (1RETDNWW/13 Oct 2005) A problem fix
 3.20 (1RETDOWW/27 Feb 2006) A problem fix
 3.21 (1RETDPWW/02 Jun 2006) A new function
 3.23 (1RETDRWW/18 Jun 2007) A new function and problem fixes

and something about memory map:

Memory Map Information
----------------------
Reserved Area:
The following conventional memory addresses are reserved by the system
program (BIOS) and others.

  C0000-CFFFF : Reserved for Video BIOS
  D0000-D3FFF : Reserved for Option ROM of Ethernet (*1)
  DC000-DFFFF : Reserved for USB BIOS (*2)
  E0000-FFFFF : Reserved for System BIOS

The complete read me can be find here: http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/1ruj37us.txt