2-8 www.hp.com Technical Reference Guide
System Overview
2.3.5 Mass Storage
These systems provide four SATA interfaces for mass storage devices. The SFF supports up to
two removeable media devices and one internal hard drive. The MT supports up to three
removeable media devices and two hard drives, and is available in factory-preconfigured RAID
configurations.
Supported SATA hard drives:
■ SMART IV, 3.0 Gb/s, 7200 RPM drive sizes (GB): 80, 160, 250, 500
■ SMART III, 3.0 Gb/s, 10000 RPM drive sizes (GB): 80, 160
Supported SATA removeable media drives:
■ DVD-ROM drive
■ SuperMulti LightScribe DVD Writer Drive (requires special label-etchable media)
2.3.6 Serial Interface
These systems include a serial port accessible at the rear of the chassis and support a second
serial port option. The serial interface is RS-232-C/16550-compatible and supports standard
baud rates up to 115,200 as well as two high-speed baud rates of 230K and 460K.
2.3.7 Universal Serial Bus Interface
All models provide ten Universal Serial Bus (USB) ports. Two ports are accessible at the front of
the unit, six ports are accessible on the rear panel, and two ports are accessible through a header
on the system board. These systems support a media card reader module that connects to the
internal header. These systems support USB 1.1 and 2.0 functionality on all ports.
BIOS Setup allows for the disabling of USB ports individually or in groups. In order to secure
the system against a physical attack, ports may be disabled even if there is nothing physically
connected to them, such as the two front ports for the media card reader module when the
module is not present.
2.3.8 Network Interface Controller
All models feature a Broadcom gigabit Network Interface Controller (NIC) integrated on the
system board. The controller provides automatic selection of 10BASE-T, 100BASE-TX, or
1000BASE-T operation with a local area network and includes power-down, wake-up,
Alert-On-LAN (AOL), Alert Standard Format (ASF), and AMT features. An RJ-45 connector
with status LEDs is provided on the rear panel.
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