HP dc71xx Manual De Usuario

All models support at least two mass storage devices, with one being externally accessible for 
removable media. These systems provide one, two, or four SATA interfaces and one PATA 
interface. These systems may be preconfigured or upgraded with a 40-, 80-, or 160-GB SATA 
hard drive and one removable media drive such as a CD-ROM drive. Some systems also provide 
one MultiBay interface. 

All models except those that use the USDT form factor include a serial port and a parallel port, 
both of which are accessible at the rear of the chassis. The USDT form factor may be upgraded 
with an adapter to provide serial and parallel ports. The SFF, ST, MT, and CMT form factors may 
be upgraded with an optional second serial port. 

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. The parallel interface is 
Enhanced Parallel Port (EPP1.9) and Enhanced Capability Port (ECP) compatible, and supports 
bi-directional data transfers. 

All models provide eight Universal Serial Bus (USB) ports, with two ports accessible at the front 
of the unit and six ports accessible on the rear panel. The USB interface provides hot 
plugging/unplugging functionality.  These systems support USB 1.1 and 2.0 functionality on all 
ports. 

All models feature a Broadcom NetXtreme 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, and Alert-On-LAN (AOL), and Alert Standard Format (ASF) features. An RJ-45 
connector with status LEDs is provided on the rear panel.