Acer Aspire M5-481PT Acer Aspire M5-481T, PT, and TG Notebook Service Guide - Page 31

System Board Major Chips Item Core logic VGA LAN USB 3.0 Super I/O controller Bluetooth Wireless PCMCIA Audio codec Card reader Specification Intel Sandy Bridge Dual-Core PGA SV (i3/5/i7) processor (Mobile Intel® HM77 Express Chipset) NVidia N13P-LP BCM57780 2 Port USB Nuvoton NPCE791C See Wireless Broadcom 43228+20702 N/A Realtek ALC271VBG Realtek RTS5209 (Same As Previous) Processor Item CPU type CPU package Core Logic Chipset Specification Intel Sandy Bridge (Dual Core) processor rPGA988B Four or two execution cores A 32-KB instruction and 32-KB data first-level cache (L1) for each core A 256-KB shared instruction/data second-level cache (L2) for each core Up to 8-MB shared instruction/data third-level cache (L3), shared among all cores HM77 Hardware Specifications and Configurations 1-21