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1
Introducing the Motherboard
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the P55H-A2 motherboard. This motherboard is a high
performance, enhanced function motherboard designed to support the LGA1156
socket for Intel
® Lynnfield/Clarkdale processors for high-end business or personal
desktop markets.
This motherboard is based on Intel
®
P55 Express Chipset for best desktop platform
solution. P55 is a single-chip, highly integrated, high performance Hyper-Threading
peripheral controller, unmatched by any other single chip-device controller. This
motherboard supports up to 16 GB of system memory with
dual channel DDR3
1333/1066 MHz . Three PCI slots are supported, fully compliant with PCI rev 2.3
specification at 33 MHz. High resolution graphics via three PCI Express slots,
intended for Graphics Interface, is fully compliant to the PCI Express Base Specifi-
cation revision 2.0. Additionally, one PCI Express x16 slot is supported, fully com-
pliant to the PCI Express Base Specificaiton revision 2.0 as well. It implements an
EHCI compliant interface that provides fourteen USB 2.0 ports (eight USB ports and
three USB 2.0 headers support additional six USB ports). It also supports Intel
®
Matrix Storage Technology, providing both AHCI and RAID 0, 1, 5 and 10 configu-
ration.
The motherboard is equipped with advanced full set of I/O ports in the rear panel,
including PS/2 mouse and keyboard connectors, one LAN port, eight USB ports, one
COM port and audio jacks for microphone, line-in and 6/8-channel (optional) line-
out.