Dell Inspiron 15-3531 Dell Inspiron 3531 BIOS ZBW00 Version A03 Operating System Microsoft Windows 10 Home (64-bit) Model Dell Inc. Inspiron 3531 Processor Intel Celeron N2830 @ 2.17 GHz - 1 processor, 2 cores Processor ID GenuineIntel Family 6 Model 55 Stepping 8 Processor Codename Silvermont Processor Package L1 Instruction Cache 32 KB x 2 L1 Data Cache 24 KB x 2 L2 Cache 1024 KB L3 Cache 0 KB Motherboard Dell Inc. 00FTTX Northbridge Intel Bay Trail Host Bridge 0E Southbridge Intel Bay Trail LPC Bridge 0E BIOS Dell Inc. A03 Memory 4096 MB DDR3 SDRAM -1MHz schematics https://vinafix.com/threads/la-b481p-r20-gcr-r05-_0310b.14468/