User Guide

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Chapter 2: Hardware Information
2.9.2 Internal connectors
1. Hard disk activity LED connector (4-pin HDLED1)
ThisLEDconnectorisforthestorageadd-oncardcableconnectedtotheSATAor
SASadd-oncard.ThereadorwriteactivitiesofanydeviceconnectedtotheSATAor
SASadd-oncardcausesthefrontpanelLEDtolightup.
2. USB 2.0 connectors (10-1 pin USB1112)
TheseconnectorsareforUSB2.0ports.ConnecttheUSBmodulecablesto
connectorsUSB78andUSB910,theninstallthemodulestoaslotopeningattheback
ofthesystemchassis.TheseUSBconnectorscomplywithUSB2.0specicationthat
supportsupto480Mbpsconnectionspeed.