User Manual

iii
Contents
Safety information ..................................................................................................... vii
About this guide ....................................................................................................... viii
Pro WS C621-64L SAGE Series specifications summary........................................ x
Package contents ..................................................................................................... xiii
Chapter 1: Product Introduction
1.1 Before you proceed ...................................................................................1-1
1.2 Motherboard layout ....................................................................................1-2
1.3 Central Processing Unit (CPU) .................................................................1-4
1.4 System memory .........................................................................................1-5
1.5 Expansion slots ..........................................................................................1-7
1.6 Onboard buttons ........................................................................................ 1-9
1.7 Onboard jumpers .....................................................................................1-10
1.8 Onboard LEDs .......................................................................................... 1-16
1.9 Internal connectors ..................................................................................1-20
Chapter 2: Basic Installation
2.1 Building your PC system ...........................................................................2-1
2.1.1 CPU and heatsink installation ..................................................... 2-1
2.1.2 Motherboard installation .............................................................. 2-3
2.1.3 DIMM installation......................................................................... 2-5
2.1.4 ATX power connection ................................................................ 2-6
2.1.5 SATA device connection ............................................................. 2-7
2.1.6 Front I/O connector ..................................................................... 2-8
2.1.7 Expansion card installation ......................................................... 2-9
2.1.8 M.2 installation .......................................................................... 2-10
2.2 BIOS update utility ................................................................................... 2-12
2.3 Motherboard rear and audio connections .............................................2-14
2.3.1 Rear I/O connection .................................................................. 2-14
2.3.2 Audio I/O connections ............................................................... 2-17
2.4 Starting up for the first time ....................................................................2-19
2.5 Turning off the computer ........................................................................2-19
Chapter 3: BIOS Setup
3.1 Managing and updating your BIOS ..........................................................3-1
3.1.1 ASUS CrashFree BIOS 3 utility................................................... 3-1
3.1.2 ASUS EzFlash Utility................................................................... 3-2
3.1.3 BUPDATER utility ....................................................................... 3-3