Dell XPS 420 owner manual 175

book.book Page 175 Tuesday, November 27, 2007 10:29 AM

Expansion Bus (continued)

Bus throughput	16 GB/s
PCI Express
Connector	one x8 (electrically configured for an x4 card)
Connector size	98 pins
Connector data width	8 PCI Express lanes
(maximum)
Bus throughput	2 GB/s
Drives
Available devices	Serial ATA drive, floppy drive, memory devices,
	Blu-ray Disc™ drive, DVD drive, DVD-RW drive,
	CD-RW/DVD combo drive, media card reader, and
	Media Xcelerator(optional).
Externally accessible:	two 3.5-inch flexbays
	two 5.25-inch drive bays
Internally accessible:	two 5.25-inch drive bays
	two 3.5 HDD bays
Connectors
External connectors:
IEEE 1394a	front and back-panel 6-pin serial connectors
Network adapter	RJ45 connector
USB	two front-panel and six back-panel connectors
eSerial ATA	one
Audio	seven back-panel connectors for line-in, line-out,
	surround, side surround, center/subwoofer Low
	Frequency Effects (LFE) channel, and S/PDIF
	(optical and RCA); two front-panel connectors for
	headphones/microphone

Appendix

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