System Featuresl One of the following processors:¡ Intel® Celeron® processor with an internal operating speed of at least 2.53 GHz, internal cache of 256 KB, and a front-side bus speed of at least533 MHz.¡ Intel Pentium® 4 processor with an internal operating speed of at least 2.8 GHz, internal cache of at least 1 MB, and a front-side bus speed of atleast 800 MHz.l A minimum of 256 MB of 533-MHz DDR 2 SDRAM memory, upgradable to a maximum of 8 GB by installing combinations of 256-MB, 512-MB, 1-GB, or 2-GBunbuffered ECC memory modules in the four memory module sockets on the system board.l Support for the following internal hard-drive configurations:¡ Up to four internal, 1-inch-high, SATA hard drives with the integrated drive controller, or up to four SATA hard drives with the optional SATA RAIDcontroller card.or¡ Up to four internal, 1-inch-high, hot-pluggable (optional) SCSI hard drives with a SCSI controller card or SCSI RAID controller card.l One 3.5-inch peripheral drive bay for the diskette drive, and two 5.25-inch bays for any combination of the following supported drives: CD, DVD,combination CD-RW/DVD, or tape backup unit.l Support for hardware RAID using an optional SATA or SCSI RAID controller card.l Support for external storage systems using an optional RAID controller card.l Optional remote access card for remote systems management.l Chassis intrusion alarm and a bezel lock that prevents access to the hard drives.The system board includes the following features:l Single integrated drive controller that supports up to four SATA hard drives and one IDE CD, DVD, or CD-RW/DVD combination drive, and an IDE tapebackup unit.l Five PCI slots: one PCI Express x1 (3.3 V) slot, one PCI Express x8 (3.3 V) slot, two 64-bit, 133-MHz PCI-X (3.3 V) slots, and one 32-bit, 33-MHz PCI (5V) slot.l An integrated Gigabit Ethernet NIC, capable of supporting 10-Mbps, 100-Mbps, or 1000-Mbps data rates, with support for PXE and Wake-on-LAN.l Four USB 2.0-compliant connectors (two on the front and two on the back) capable of supporting a diskette drive, a CD-ROM drive, a keyboard, amouse, or a USB flash drive.l An integrated XGI XG20 VGA video controller. This video subsystem has 16 MB of VRAM (nonupgradable). True-color graphics are supported in thefollowing resolutions: 640 x 480, 800 x 600, 1024 x 768, 1280 x 1024, and 1600 x 1200.l Systems management circuitry that monitors critical system voltages and fan speeds. The systems management circuitry works in conjunction with thesystems management software.l Standard baseboard management controller with serial access.l Back-panel connectors include mouse, keyboard, serial, video, two USB connectors, and a NIC connector.l Front-panel connectors include two USB connectors.For more information about specific features, see "Technical Specifications."The following software is included with your system:l A System Setup program for quickly viewing and changing system configuration information. For more information on this program, see "Using theSystem Setup Program."l Enhanced security features, including a system password and a setup password, available through the System Setup program.l System diagnostics for evaluating system components and devices. For information about using the system diagnostics, see "Running the SystemDiagnostics" in your Installation and Troubleshooting Guide.l Video drivers for displaying many popular application programs in high-resolution modes.l SATA or SCSI device drivers that allow the operating system to communicate with devices attached to the integrated SATA or SCSI subsystem. For moreinformation about these drivers, see "Installing Drives" in your Installation and Troubleshooting Guide.l Systems management software and documentation CDs.Supported Operating Systemsl Microsoft® Windows® 2000 Server, Standard Edition (Service Pack 4 or later)l Microsoft Windows Server™ 2003 Standard Edition, and Small Business Server Standard Edition (Service Pack 1 or later)NOTE: Use the System Setup program to view processor information. See "Using the System Setup Program."NOTE: DVD devices are data only.