dpavlin@mini2:~$ lscpu 
Architecture:          i686
 CPU op-mode(s):      32-bit
 Address sizes:       32 bits physical, 32 bits virtual
 Byte Order:          Little Endian
CPU(s):                2
 On-line CPU(s) list: 0,1
Vendor ID:             GenuineIntel
 Model name:          Intel(R) Atom(TM) CPU N270  @ 1.60GHz
   CPU family:        6
   Model:             28
   Thread(s) per core: 2
   Core(s) per socket: 1
   Socket(s):         1
   Stepping:          2
   CPU(s) scaling MHz: 100%
   CPU max MHz:       1600.0000
   CPU min MHz:       800.0000
   BogoMIPS:          3191.78
   Flags:             fpu vme de tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx cons
                       tant_tsc arch_perfmon pebs bts cpuid aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 xtpr pdcm movbe lahf_lm dther
                       m
Caches (sum of all):   
 L1d:                 24 KiB (1 instance)
 L1i:                 32 KiB (1 instance)
 L2:                  512 KiB (1 instance)

dmidecode

System Information
       Manufacturer: Dell Inc.
       Product Name: Inspiron 910
       Version: A04
       Serial Number: DRRZWF1
       UUID: 20202020-2020-2020-2020-202020202020
       Wake-up Type: Power Switch
       SKU Number: Not Specified
       Family: Not Specified

bios cell batery

Manual claims there is battery holder for BIOS cell battery -- there isn't. You will have to have battery with spot welded wings to which you can solder original wire to change it.