User Guide

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AK77-400/AK77-400N/AK77-400 Max.................................................................................................... 1
What’s in this manual ...................................................................................................................................................... 2
You Must Notice .............................................................................................................................................................. 8
Before You Start.............................................................................................................................................................. 9
Overview ....................................................................................................................................................................... 10
Feature Highlight........................................................................................................................................................... 11
Quick Installation Procedure ......................................................................................................................................... 16
Motherboard Map .......................................................................................................................................................... 17
Block Diagram............................................................................................................................................................... 18
Hardware Installation ................................................................................................................. 19
About “Manufacturer Upgrade Optional” and “User Upgrade Optional”…...................................................................... 20
CPU Installation ............................................................................................................................................................ 21
AOpen Overheat Protection (O.H.P.) Technology .......................................................................................................... 23
CPU Over-current Protection ........................................................................................................................................ 24
Enlarged Aluminum Heatsink ........................................................................................................................................ 25
CPU and Housing Fan Connector (with H/W Monitoring) .............................................................................................. 29
DIMM Sockets............................................................................................................................................................... 30
ATX Power Connector................................................................................................................................................... 32