22 Setting Up and Using Your ComputerInstalling Your Computer in an EnclosureInstalling your computer in an enclosure can restrict the airflow and impactyour computer’s performance, possibly causing it to overheat. Follow theguidelines below when installing your computer in an enclosure:NOTICE: The operating temperature specifications indicated in your Owner’sManual reflect the maximum ambient operating temperature. The room’s ambienttemperature needs to be a consideration when installing your computer in anenclosure. For example, if the ambient room temperature is at 25° C (77° F),depending on your computer’s specifications, you only have 5° to 10° C (9° to 18° F)temperature margin before you reach your computer’s maximum operatingtemperature. For details about your computer’s specifications, see "Specifications"on page 173.11 S/PDIF(optical)connectorUse the S/PDIF optical connector to transmit digital audiowithout going through an analog audio conversion process.On computers with a sound card, use the connector on the card.12 center/subwoofer LFEconnectorUse the (orange) center/subwoofer connector to attach acenter speaker or a single subwoofer.On computers with a sound card, use the connector on the card.NOTE: The LFE (Low Frequency Effects) Audio channel, foundin digital surround sound audio schemes, carries only lowfrequency information of 80 Hz and below. The LFE channeldrives a subwoofer to provide extremely low bass extension.Systems not using subwoofers can shunt the LFE information tothe main speakers in the surround sound setup.13 side surroundsoundconnectorUse the (gray) side surround sound connector to attachmultichannel-capable speakers. The side-surround outputprovides enhanced surround audio for computers with7.1 speakers.On computers with a sound card, use the connector on the card.14 USB 2.0connectors (2)(rear dual)Use the back, rear-dual USB connectors for devices thattypically remain connected, such as printers and keyboards.NOTE: It is recommended that you use the front USBconnectors for devices that you connect occasionally, such asjoysticks, cameras, or bootable USB devices.book.book Page 22 Tuesday, November 27, 2007 10:29 AM
