Dell Studio XPS 1647 BIOS Version A11 [table] Operating System Microsoft Windows 7 Home Premium (64-bit) Model Dell Inc. Studio XPS 1647 Processor Intel Core i5-540M @ 2.53 GHz -1 processor, 2 cores, 4 threads Processor ID GenuineIntel Family 6 Model 37 Stepping 5 Processor Codename Arrandale Processor Package Socket 989 rPGA L1 Instruction Cache 32 KB x 2 L1 Data Cache 32 KB x 2 L2 Cache 256 KB x 2 L3 Cache 3072 KB Motherboard Dell Inc. 05P36G Northbridge Intel Havendale/Clarkdale Host Bridge 18 Southbridge Intel PM55 06 BIOS Dell Inc. A08 Memory 4096 MB DDR3 SDRAM -1MHz[/table]