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Asus PRIME Z390-A Users Manual English - Page 25

Onboard buttons and switches, Power-on button PWR_SW

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Chapter 1 1.1.6 Onboard buttons and switches Onboard buttons and switches allow you to fine-tune performance when working on a bare or open-case system. This is ideal for overclockers and gamers who continually change settings to enhance system performance. 1. Power-on button (PWR_SW) The motherboard comes with a power-on button that allows you to power up or wake up the system. The LED near the button also lights up when the system is plugged to a power source indicating that you should shut down the system and unplug the power cable before removing or installing any motherboard component. ASUS PRIME Z390-A 1-9

Section	Page
Safety information	6
About this guide	7
PRIME Z390-A specifications summary	9
Package contents	14
Installation tools and components	15
Chapter 1: Product Introduction	17
1.1 Motherboard overview	17
1.1.1 Before you proceed	17
1.1.2 Motherboard layout	18
1.1.3 Central Processing Unit (CPU)	20
1.1.4 System memory	21
1.1.5 Expansion slots	23
1.1.6 Onboard buttons and switches	25
1.1.7 Jumper	27
1.1.8 Onboard LEDs	29
1.1.9 Internal connectors	30
Chapter 2: Basic Installation	43
2.1 Building your PC system	43
2.1.1 CPU installation	43
2.1.2 Cooling system installation	44
2.1.3 Motherboard installation	47
2.1.4 DIMM installation	48
2.1.5 ATX power connection	49
2.1.6 SATA device connection	50
2.1.7 Front I/O connector	51
2.1.8 Expansion card installation	52
2.1.9 M.2 installation	55
2.1.10 ASUS fan holder installation	56
2.2 Motherboard rear and audio connections	57
2.2.1 Rear I/O connection	57
2.2.2 Audio I/O connections	59
2.3 Starting up for the first time	61
2.4 Turning off the computer	61
Chapter 3: BIOS Setup	63
3.1 Knowing BIOS	63
3.2 BIOS setup program	64
3.2.1 EZ Mode	65
3.2.1 Advanced Mode	66
3.2.3 QFan Control	70
3.2.4 AI OC Guide	72
3.2.5 EZ Tuning Wizard	73
3.3 My Favorites	75
3.4 Main menu	77
3.5 Ai Tweaker menu	77
3.6 Advanced menu	79
3.6.1 Platform Misc Configuration	79
3.6.2 CPU Configuration	79
3.6.3 System Agent (SA) Configuration	79
3.6.4 PCH Configuration	80
3.6.5 PCH Storage Configuration	80
3.6.6 PCH-FW Configuration	81
3.6.7 Thunderbolt(TM) Configuration	81
3.6.8 Onboard Devices Configuration	81
3.6.9 APM Configuration	82
3.6.10 PCI Subsystem Settings	82
3.6.11 USB Configuration	82
3.6.12 Network Stack Configuration	82
3.6.13 NVMe Configuration	82
3.6.14 HDD/SSD SMART Information	82
3.7 Monitor menu	83
3.8 Boot menu	83
3.9 Tool menu	85
3.9.1 ASUS EZ Flash 3 Utility	85
3.9.2 Secure Erase	86
3.9.3 ASUS User Profile	87
3.9.4 ASUS SPD Information	87
3.9.5 Graphics Card Information	87
3.10 Exit menu	88
3.11 Updating BIOS	89
3.11.1 EZ Update	89
3.11.2 ASUS EZ Flash 3	90
3.11.3 ASUS CrashFree BIOS 3	92
Chapter 4: RAID Support	93
4.1 RAID configurations	93
4.1.1 RAID definitions	93
Appendix	95
Notices	95

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ASUS PRIME Z390-A

1-9

Chapter 1

Power-on button (PWR_SW)

The motherboard comes with a power-on button that allows you to power up or wake

up the system. The LED near the button also lights up when the system is plugged to

a power source indicating that you should shut down the system and unplug the power

cable before removing or installing any motherboard component.

1.1.6

Onboard buttons and switches

Onboard buttons and switches allow you to ﬁne-tune performance when working on a bare or

open-case system. This is ideal for overclockers and gamers who continually change settings

to enhance system performance.