Dell Precision Workstation 370 User's & Service Manual

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Dell Precision Workstation 370 User's & Service Manual Manual pdf 38 page image

3. In the Device Manager window, click the plus (+) sign next to the processor type. If Hyper- Threading is enabled, theprocessor is listed twice.You can enable or disable Hyper-Threading through system setup.IEEE 1394IEEE 1394 is a digital interface that can move large amounts of data between computers and peripheral devices. IEEE 1394 isideal for use with multimedia devices because it speeds the transfer of data and large files, which enables a computer toconnect directly to devices such as digital video cameras.NOTE: The connector can accept 4-pin IEEE 1394 devices with the use of an adapter.The Dell Precision 370 desktop computer has an optional front IEEE 1394 connector (see "Your Desktop Computer"). Thisconnector is only available if you purchased an add-in IEEE 1394 card. To purchase a card, contact Dell.U320 SCSI ControllerThe optional U320 SCSI controller is PCI based and operates in a low voltage differential (LVD) mode while running at U320(320 MBps) speeds. The bus is backward compatible and can run at U160 (160 MBps), Ultra2 (80 MBps), Ultra (40 MBps)speeds.If single-ended (SE) devices are connected to the same bus as the LVD devices (such as U320, U160, or Ultra2), the SCSIbus operates in SE mode and runs at maximum of Ultra (40 MBps) speed.For more information installing a SCSI device and SCSI ID settings for your mini-tower computer, see "Drives" for yourdesktop computer "Drives."About RAID ConfigurationsThis section provides an overview of the RAID configuration that you might have selected when you purchased yourcomputer. Although there are several RAID configurations available in the computer industry for different types of uses, Delloffers either RAID level 0 or RAID level 1 on your Precision computer. A RAID level 0 configuration is recommended for high-performance applications, and a RAID level 1 configuration is recommended for users that desire a higher level of dataintegrity.NOTE: RAID levels do not represent a hierarchy. A RAID level 1 configuration is not inherently better or worse than aRAID level 0 configuration.RAID Level 0RAID level 0 uses a storage technique known as "data striping" to provide a high data access rate. Data striping is a methodof writing consecutive segments, or stripes, of data sequentially across the physical drives to create a large virtual drive. Datastriping allows one of the drives to read data while the other drive is searching for and reading the next block.