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From: "Lin Jianfong" <ljfong@hotmail.com>
To: freebsd-questions@freebsd.org
Subject: Bad PnPBios problem
Date: Fri, 17 Jan 2003 17:47:34 -0800
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Anyone know what this means ?

pnpbios: Bad PnP BIOS data checksum

So far, everything worked pretty good for me, so I'm pretty confused as to 
what's possibly failing. I have looked over the archive and the only answer 
was FreeBSD simply refused to use the information from existing PnP BIOS in 
this case due to bad checksum calculation. Does it use its own BIOS code 
then ?

'dmesg -a' output up to the error message :

Copyright (c) 1992-2002 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD 4.7-RELEASE #23: Tue Dec 24 01:18:19 PST 2002
    ljfong@drizzt:/usr/src/sys/compile/DRIZZT
Timecounter "i8254"  frequency 1193182 Hz
Timecounter "TSC"  frequency 863866516 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (863.87-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x686  Stepping = 6
  
Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PA
T,PSE36,MMX,FXSR,SSE>
real memory  = 535560192 (523008K bytes)
avail memory = 517746688 (505612K bytes)
pnpbios: Bad PnP BIOS data checksum <----------------------
Preloaded elf kernel "kernel" at 0xc034e000.
Preloaded elf module "agp.ko" at 0xc034e09c.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 10 entries at 0xc00f2f60
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82810E (i810E GMCH) Host To Hub bridge> on motherboard
pci0: <PCI bus> on pcib0
agp0: <Intel 82810E (i810E GMCH) SVGA controller> mem 
0xffa80000-0xffafffff,0xf8
000000-0xfbffffff irq 11 at device 1.0 on pci0
pcib1: <Intel 82801AA (ICH) Hub to PCI bridge> at device 30.0 on pci0
pci1: <PCI bus> on pcib1
pcm0: <AudioPCI ES1371-B> port 0xdf00-0xdf3f irq 10 at device 9.0 on pci1
<....>





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