Connectivityv 10/100/1000 Mbps integrated Intel Ethernet controller that supports the Wakeon LAN ® featurev Soft modem V.90/V.44 (some models)System management featuresv Remote Program Load (RPL) and Dynamic Host Configuration Protocol (DHCP)v Wake on LANv Wake on Ring (in the IBM Setup Utility program, this feature is called Serial PortRing Detect for an external modem and Modem Ring Detect for an internalmodem)v Remote Administrationv Automatic power-on startupv System Management (SM) BIOS and SM softwarev Ability to store POST hardware test resultsInput/output featuresv 25-pin, Extended Capabilities Port (ECP)/Extended Parallel Port (EPP)v Two 9-pin serial connectorsv Six 4-pin, USB connectorsv PS/2 ® mouse connectorv PS/2 keyboard connectorv Ethernet connectorv VGA monitor connectorv Three audio connectors (line in, line out, and microphone)v Front connectors for headphone, microphone, IEEE 1394, and S/PDIF (somemodels)Expansionv Three drive baysv Three 32-bit peripheral component interconnect (PCI) adapter slots (supportslow-profile adapters only)v One accelerated graphics port (AGP) expansion slot (supports low-profileadapters only)Powerv 160 W power supply with manual voltage selection switchv Automatic 50/60 Hz input frequency switchingv Advanced Power Management supportv Advanced Configuration and Power Interface (ACPI) supportSecurity featuresv User and administrator passwordsv Support for the addition of a rope clip and lockable cablev Support for the addition of an integrated cable lockv Startup sequence controlv Startup without diskette drive, keyboard, or mousev Unattended start mode8 Hardware Maintenance Manual