Dell Optiplex-620 User Guide - Page 171

Drives Expansion Bus Bus type Bus speed Cards: PCI: connector connector size connector data width (maximum) PCI Express: connector power connector size connector data width (maximum) Drives Externally accessible Internally accessible Connectors External connectors: Serial Parallel Video Network adapter USB Audio System board connectors: Primary IDE drive Serial ATA Floppy drive Serial Fan PCI 2.2 CD drive audio interface Front panel Key Combinations or or one serial ATA controller supporting one device and one parallel Ultra ATA/100 IDE supporting two devices per channel with one channel PCI 2.2 SATA 1.0a and 2.0 USB 2.0 PCI Express 1.0a PCI: 33 MHz SATA: 1.5 and 3.0 Gbps USB: 480 Mbps PCI Express x16: 80 Gbps low-profile cards supported one 120 pins 32 bits one x16 25 W (maximum) 164 pins 16 PCI Express lanes one bay for a slimline floppy drive; one bay for a slimline CD/DVD drive one bay for a 1-inch-high hard drive 9-pin connector; 16550C-compatible 25-hole connector (bidirectional) 15-hole VGA connector RJ45 connector two front-panel and six back-panel USB 2.0- compliant connectors three connectors for line-in, line-out, and microphone; one front-panel connector for headphones 40-pin connector 7-pin connector 34-pin connector 12-pin connector for optional second serial port card 5-pin connector 120-pin connector 4-pin connector 40-pin connector in Microsoft® Windows® XP, brings up the Windows Security window; in MS-DOS® mode, restarts (reboots) the computer starts embedded system setup (during system startup only) automatically starts the computer from the network environment specified by the remote boot environment (PXE) rather than from one of the devices in the system setup Boot Sequence option (during system start-up only) displays a boot device menu that allows the user to enter a device for a single boot (during system start-