Avalue ESM-QM77 - Manual (Page 4)

ESM-QM77
4 ESM-QM77 User ’s Manual
CONTENT
1. Getting Started ............................................................................................................ 7
1.1 Safety Precautions .................................................................................................... 7
1.2 Packing List ............................................................................................................... 7
1.3 Document Amendment History ................................................................................. 8
1.4 Manual Objectives ..................................................................................................... 9
1.5 System Specifications ............................................................................................. 10
1.6 Architecture Overview
—Block Diagram .................................................................. 11
2. Hardware Configuration ........................................................................................... 12
2.1 Product Overview .................................................................................................... 13
2.2 Installation Procedure ............................................................................................. 15
2.2.1 Main Memory .................................................................................................................................. 16
2.3 Connector List ......................................................................................................... 18
2.4 Setting Jumpers & Connectors ............................................................................... 19
2.4.1 AT/ATX mode selector (SW1) ....................................................................................................... 19
2.4.1.1 Signal Description –AT/ATX mode selection ......................................................................... 19
2.4.2 COM Express Connector 1 (CN1A) ............................................................................................... 20
2.4.2.1 Signal Description – COM Express Connector 1 (CN1A) ...................................................... 24
2.4.2.1.1 Audio Signals .................................................................................................................... 24
2.4.2.1.2 Gigabit Ethernet Signals ................................................................................................... 24
2.4.2.1.3 GPIO Signals ..................................................................................................................... 24
2.4.2.1.4 LPC Signals ....................................................................................................................... 25
2.4.2.1.5 Miscellaneous Signals ....................................................................................................... 25
2.4.2.1.6 PCI Express Signals.......................................................................................................... 25
2.4.2.1.7 Power Signals ................................................................................................................... 26
2.4.2.1.8 Power & System Management Signals ............................................................................. 26
2.4.2.1.9 SATA Signals .................................................................................................................... 26
2.4.2.1.10 VGA Signals .................................................................................................................... 27
2.4.2.1.11 USB Signals .................................................................................................................... 27
2.4.2.1.12 LVDS Flat Panel Signals ................................................................................................. 27
2.4.3 COM Express Connector 2 (CN1B) ............................................................................................... 28
2.4.3.1 Signal Description – COM Express Connector 2 (CN1B) ......................................................... 32
2.4.3.1.1 USB Signals......................................................................................................................... 32
2.4.3.1.2 PEG Signals ........................................................................................................................ 32
2.4.3.1.3 DDI Signals .......................................................................................................................... 32