1
Z77H2-A4 USER MANUAL
Chapter 1
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the
Z77H2-A4
motherboard. This motherboard is a high per-
formance, enhanced function motherboard designed to support the LGA1155 socket
for latest new Sandy Bridge and Ivy Bridge high-end desktop processors.
This motherboard is based on Intel
®
Z77 Express Chipset for best desktop platform
solution. It supports up to 32 GB of system memory with dual channel DDR3
2800+(OC)/2667(OC)/2600(OC)/2400(OC)/2200(OC)/2133(OC)/1866(OC)/1600/1333
MHz. Two PCI Express x16 slots
*
1
are supported, intended for Graphics Interface. In
addition, three PCI Express x1 slots, one MINI PCI-Ex1 slot/ mSATA connector
(MINIPCIE)
*
2
, and two PCI slots are for extending usage.
It integrates USB 2.0 and USB 3.0 interface, supporting up to ten USB 2.0 ports (six
USB 2.0 ports at rear panel and two USB 2.0 headers support additional four USB 2.0
ports) and four USB 3.0 ports (two USB 3.0 ports at the rear panel and one USB 3.0
header supports additional two USB 3.0 ports). The gray USB 2.0 header provides EZ
charger technology, please refer to Front Panel USB headers of chapter 2 for more
details.
The motherboard is equipped with advanced full set of I/O ports in the rear panel,
including PS/2 Combo & USB connectors, one VGA port, one DVI port, one HDMI port,
one RJ45 LAN connector, six USB 2.0 ports, two USB 3.0 ports and audio 8-ch jacks.
In addition, this motherboard supports two SATA 6Gb/s, four SATA 3Gb/s and one
mSATA
*
2
connectors for expansion.
Your motherboard package ships with the following items:
Package Contents
Z77H2-A4 Motherboard
Quick Installation Guide
User Manual
DVD
I/O Shield
2 SATA Cables
The package contents above are for reference only, please take the actual package items as
standard.
*1-1
The PCIEX16_S (black color of PCI-Ex16 slot) supports PCI-E Gen 2.0 running X4 mode
and shares bandwidth with the PCIE2 & PCIE3 slots (black color of PCI-Ex1 slots).
*1-2
The PCIE2 & PCIE3 slots will become unavailable when you have installed the expansion
card on the black PCIEX16_S slot.
*1-3
Please insert your Graphic Card (VGA card) on gray PCIEX16 slot when you use one
Graphic Card (VGA card), please reference Chapter 2-4-4.
*2
The black SATA6 connector will become unavailable when miniPCI-Ex1 slot/ mSATA connector
is installed.
