B650D4U-1L
B665D4U-1L
PB 1
English
Chapter 1 Introduction
ank you for purchasing ASRock Rack B650D4U-1L / B665D4U-1L motherboard, a reliable
motherboard produced under ASRock Rack’s consistently stringent quality control. It delivers
excellent performance with robust design conforming to ASRock Rack’s commitment to
quality and endurance.
In this manual, chapter 1 and 2 contains introduction of the motherboard and step-by-step
guide to the hardware installation. Chapter 3 and 4 contains the conguration guide to BIOS
setup and information of the soware support.
1.1 Package Contents
•
ASRock Rack B650D4U-1L / B665D4U-1L Motherboard
(micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm)
•
Quick Installation Guide
•
1 x I/O Shield
•
1 x Screw for M.2 Socket
If any items are missing or appear damaged, contact your authorized dealer.
Because the motherboard specications and the BIOS soware might be updated, the con-
tent of this manual will be subject to change without notice. In case any modications of
this manual occur, the updated version will be available on ASRock Rack website without
further notice. You may nd the latest memory and CPU support lists on ASRock Rack
website as well. ASRock Rack’s Website: www.ASRockRack.com
If you require technical support related to this motherboard, please visit our website for
specic information about the model you are using.
http://www.asrockrack.com/support/