Avalue Technology ESM-EHLC, User Manual, Page: 4 / 88

ESM-EHLC
User’s Manual
4 ESM-EHLC 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 .................................................................. 13
2. Hardware Configuration ........................................................................................... 14
2.1 Product Overview .................................................................................................... 15
2.2 Connector List ......................................................................................................... 16
2.3 Setting Jumpers & Connectors ............................................................................... 17
2.3.1 AT/ATX mode selector (SW1) ........................................................................................................ 17
2.3.1.1 Signal Description
–AT/ATX mode selection ......................................................................... 17
2.3.2 COM Express Connector 1 (CN1A) ............................................................................................... 18
2.3.2.1 Signal Description
– COM Express Connector 1 (CN1A) ........................................................... 22
2.3.2.1.1 Audio Signals .................................................................................................................... 22
2.3.2.1.2 Gigabit Ethernet Signals ................................................................................................... 22
2.3.2.1.3 PCI Express Signals.......................................................................................................... 22
2.3.2.1.4 Flat Panel LVDS Signals ................................................................................................... 22
2.3.2.1.5 LPC/eSPI Signals .............................................................................................................. 23
2.3.2.1.6 GPIO Signals ..................................................................................................................... 23
2.3.2.1.7 Power & System Management Signals ............................................................................. 23
2.3.2.1.8 SATA Signals .................................................................................................................... 25
2.3.2.1.9 USB Signals ...................................................................................................................... 25
2.3.2.1.10 I2C Signals ........................................................................................................................ 25
2.3.2.1.11 USB3.0 Signals ................................................................................................................. 25
2.3.3 COM Express Connector 2 (CN1B) ............................................................................................... 26
2.3.3.1 Signal Description
– COM Express Connector 2 (CN1B) ........................................................... 30
2.3.3.1.1 USB3.0 Signals ................................................................................................................... 30
2.3.3.1.2 DDI Signals .......................................................................................................................... 30
2.4 Installing Heatsink / Heat spreader ......................................................................... 31
3. BIOS Setup ................................................................................................................ 33
3.1 Introduction ............................................................................................................. 34
3.2 Starting Setup ......................................................................................................... 34