Acer Aspire S5-391 Acer S5-391 Notebook Service Guide - Page 25

System Board Major Chips Item Core logic VGA LAN USB 2.0 Super I/O controller Bluetooth & Wireless Wireless PCMCIA Audio codec Card reader Specification Intel Chief River Platform UMA only Wireless only 2 Port USB 3.0 N/A Foxconn MD222 (WLAN+BT4.0 combo) Foxconn MD222 (WLAN+BT4.0 combo) N/A Realtek ALC271X-VB6-CG Realtek RTS5209-GR Processor Item CPU CPU package Core logic Chipset Specification Intel Ivy Bridge Dual Core Processor BGA1023 Intel Chief River Platform Intel HM77 Express Chipset Processor Specifications Item CPU Speed Cores Bus Speed (FSB/ DMI/QBI) i3-3217U 1.8 2 5GT/s i5-3317U 1.7 2 5GT/s i5-3427U 1.8 2 5GT/s i7-3517U 1.9 2 5GT/s i7-3667U 2.0 2 5GT/s Mfg Tech 22nm 22nm 22nm 22nm 22nm Cache Size 3MB 3MB 3MB 4MB 4MB Package BGA1023 BGA1023 BGA1023 BGA1023 BGA1023 Core Voltage 0.3~0.9V 0.3~0.9V 0.3~0.9V 0.3~0.9V 0.3~0.9V Hardware Specifications and Configurations 1-18