Acer Aspire E1-471 Acer Aspire E1-431 and E1-471 Notebook Service Guide - Page 35

System Board Major Chips Item Core logic VGA LAN USB 2.0 Super I/O controller Bluetooth Wireless PCMCIA Audio codec Card reader eSata Specification Intel HM77 (Panther Point) Integrated Graphics Controller for E1-431 & E1-471; NVDIA GeForce for V1-431G &V1-471G Realtek RTL8411-CG Embedded in PCH Intel Chief River N/A Intel PCIE half mini card 802.11b/g/n N/A Realtek HD codec Realtek RTL8411-CG N/A Processor Item CPU type CPU package Core Logic Chipset Specification Intel Ivy bridge & Sandy bridge series 989-pin rPGA Two execution cores  A 64-KB (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 4-MB shared instruction/data third-level cache (L3), shared among all cores Intel HM77 Hardware Specifications and Configurations 1-25