Acer Aspire E1-531 Acer Aspire E1-531 and E1-571 Notebook Service Guide - Page 24

System Board Major Chips Item Core logic VGA LAN USB 2.0 Super I/O controller Bluetooth Wireless PCMCIA Audio codec Card reader Specification Intel Panther Point PCH Intel NVIDIA N13M-GS 1G (GT620M) Broadcom BCM57785 GbE Controller Intel HM77/HM70 Series Chipset (Panther Point) N/A N/A Qualcomm / Broadcomm / Realtek N/A Realtek ALC271X-GR-VB6 Broadcom BCM57785X Card Reader Processor Item CPU CPU package Core logic Chipset Specification Intel Sandy/Ivy Bridge Dual Core Processor rPGA989 • 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 Intel HM77/HM70 Express Chipset Processor Specifications Item CPU Speed Cores Bus Speed (FSB/ DMI/QBI) Mfg Tech B815 1.6G 2 5GT/s 32nm B960 2.2G 2 5GT/s 32nm B970 2.3G 2 5GT/s 32nm I3-2350M 2.3G 2 5GT/s 32nm I3-2370M 2.4G 2 5GT/s 32nm Cache Size Package 2MB 2MB 2MB 3MB 3MB rPGA988B rPGA988B rPGA988B rPGA988B rPGA988B Core Voltage 0.75-1.3V 0.75-1.3V 0.75-1.3V 0.75-1.3V 0.75-1.3V 1-17 Hardware Specifications and Configurations