Dell Precision 390 User Manual

Also see for OptiPlex 390: Setup & features Quick reference guide Specifications Specifications Setup & features

Contents

Hard drive integrated serial ATA (4), with RAID 0/1/5/10 andcommand queuingintegrated ATA-100 (1 channel)Expansion BusBus type three PCI 2.2one PCI Express x16 up to 150 Wone PCI Express x8, wired as x4one PCI Express x1eight USB 2.0 (2 front, 5 back, 1 internal)Bus speed PCI: 33 MHzPCI Express:x1 slot bidirectional speed - 500 MB/sx 4 slot bidirectional speed - 2 GB/sx16 slot bidirectional speed - 8 GB/sCard slots The upper five connector slots support full-lengthcards, and the connector slot at the bottom supportsa half-length card.NOTE: Check the documentation for cards to ensurethat you can accommodate them in yourconfiguration. Some cards that require more physicalspace and power (such as PCI Express graphicscards) may restrict the use of other cards.PCI:connectors threeconnector size 120 pinsconnector data width (maximum) 32 bitsPCI Express:connectors one x1connector size 36 pinsconnector data width (maximum) 1 PCI Express lanePCI Express:connectors one x4 full-length slot (supports x8, x4, and x1)connector size 98 pinsconnector data width (maximum) 4 PCI Express lanesPCI Express:connectors one x16 slot (supports x16 and x1 modes/cards; x8and x4 modes/cards are not supported)connector size 164 pinsconnector data width (maximum) 16 PCI Express lanesDrivesExternally accessible: one 3.5-inch drive bay (FlexBay) in desktoporientation, or two 3.5-inch drive bays (FlexBay) intower orientationtwo 5.25-inch baysAvailable devices serial ATA drive, SAS drive, floppy drive, Media CardReader, USB memory devices, CD drive, CD-RW drive,DVD drive, DVD+RW drive, and DVD and CD-RWcombo driveInternally accessible: two 3.5-inch hard drive baysConnectorsExternal connectors:Serial one 9-pin connector (optional 2nd connector);16550C-compatibleParallel one 25-hole connector (bidirectional)IEEE 1394a one front-panel 6-pin serial connector (with optionalcard)