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OK. Download
SYMCMOS and run in DOS:
SYMCMOS –v2 –lOLD.TXT
Post file old.txt
Code:
usage:
SYMCMOS <options>
-? show this help
-D program BIOS default values
-S[filename] produce symbolic report file
-L[filename] produce literal report file
-U[filename] update CMOS using script file
-C[filename] combine build files
-F[filename] use combine file for report
-V0 disable logging
-V1 enable error logging (default)
-V2 enable verbose logging
-V3 No CMOS update and verbose logging
receive an error with no log file generated:
Write literal report to file: OLD.TXT
combineFiles (0h, COMBINE.ROM)...
initPdmEntry ...
search '$PDM' ... not Found!
pdmEntry = NULL !
Do you run in native DOS or command line in Windows?
through windows. should i run it in pure dos?
Tried in pure dos with dos running on a usb stick. gives the same error
I found code that verify
CPUID and
Diagnostic LEDs. On error it set status number 0x16 (
Alert! Incompatible processor detected.).
Code:
seg000:7F81 sub_7F81 proc far
seg000:7F81 pushad
seg000:7F83 call far ptr 0F000h:1CD9h
seg000:7F88 jnz short loc_7FF4
seg000:7F8A mov eax, 1
seg000:7F90 cpuid
seg000:7F92 cmp ax, 0F30h
seg000:7F95 jb short loc_7FF4
seg000:7F97 mov ecx, 198h
seg000:7F9D rdmsr
seg000:7F9F test eax, 80000000h
seg000:7FA5 jnz short loc_7FE7
seg000:7FA7 mov eax, 1
seg000:7FAD cpuid
seg000:7FAF cmp ax, 0F44h
seg000:7FB2 jb short loc_7FCF
seg000:7FB4 cmp ax, 0F60h
seg000:7FB7 jnb short loc_7FBE
seg000:7FB9 cmp ax, 0F49h
seg000:7FBC jnb short loc_7FCF
seg000:7FBE
seg000:7FBE loc_7FBE: ; CODE XREF: sub_7F81+36j
seg000:7FBE call far ptr 0F000h:33E9h
seg000:7FC3 jz short loc_7FCF
seg000:7FC5 mov dx, 8B8h
seg000:7FC8 in al, dx
seg000:7FC9 and al, 2
seg000:7FCB cmp al, 2
seg000:7FCD jnz short loc_7FE7
seg000:7FCF
seg000:7FCF loc_7FCF: ; CODE XREF: sub_7F81+31j
seg000:7FCF ; sub_7F81+3Bj ...
seg000:7FCF mov ecx, 1A1h
seg000:7FD5 rdmsr
seg000:7FD7 test eax, 40000h
seg000:7FDD jz short loc_7FF4
seg000:7FDF test eax, 20000h
seg000:7FE5 jnz short loc_7FF4
seg000:7FE7
seg000:7FE7 loc_7FE7: ; CODE XREF: sub_7F81+24j
seg000:7FE7 ; sub_7F81+4Cj
seg000:7FE7 push cx
seg000:7FE8 mov cx, 16h
seg000:7FEB call sub_9B4A
seg000:7FEE pop cx
seg000:7FEF call far ptr 0F000h:0A497h
seg000:7FF4
seg000:7FF4 loc_7FF4: ; CODE XREF: sub_7F81+7j
seg000:7FF4 ; sub_7F81+14j ...
seg000:7FF4 popad
seg000:7FF6 retf
seg000:7FF6 sub_7F81 endp
But I can't edit BIOS
But I found reason why this warning is occur on one board and don't on other. It's diagnostic chip that control
Diagnostic LEDs.
BIOS with
Pentium D always check value in I/O port with address 0x8B8.
I don't think so.
Try this:
1.Restart your computer and tap F12 at Dell logo.
2.Select 'Diagnostics' and hit Enter.
3.Make a note of error code if any.
my system only has hard drive diagnostics
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