H81i SR177南桥芯片 DH82H81 数据手册
Contents 1 Introduction 41 11 About This Manual 41111 Chapter Descriptions 4212 Overview 44121 Capability Overview 4513 Intel® 8 Series/C220 Series Chipset Family PCH SKU Definition 5214 Device and Revision ID Table 57 2 Signal Description 60 21 Flexible I/O 6222 USB Interface 63 23 PCI Express* 66 24 Serial ATA Interface 67 25 Clock Signals 69 26 Real Time Clock Interface 70 27 External RTC Circuitry 71 28 Interrupt Interface 71 29 Processor Interface 72
