Problem whith installation the FreeBsd 7.2 64 bits

[João Renato]

this is a my machine :

ad4: 953869MB <SAMSUNG HD103UJ 1AA01118> at ata2-master
SATA300                                                                    
ad6: 953869MB <SAMSUNG HD103UJ 1AA01118> at ata3-master SATA300  


CPU: Intel(R) Xeon(R) CPU            3075  @ 2.66GHz (2660.01-MHz
686-class CPU)                                                   
  Origin = "GenuineIntel"  Id = 0x6fb  Stepping =
11                                                                               

Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>                                                                                                                       

Features2=0xe3fd<SSE3,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>                                                    
  AMD
Features=0x20000000<LM>                                                                                                      
  AMD
Features2=0x1<LAHF>                                                                                                          
  Cores per package:
2                                                                                                             
real memory  = 3622199296 (3454
MB)                                                                                                
avail memory = 3540545536 (3376 MB)  

The CD of FreeBSD not boot this machine. Model : HP DL320G5
I tryning outhers DRIVEs of CD and outhers 2 maquines of same
configuration.