Chapter 2 System Overview
2.4.4 SYSTEM MEMORY
These systems implement a dual-channel Double Data Rate (DDR) memory architecture and
support PC2100 (266-MHz), PC2700 (333-MHz) or PC3200 (400-MHz) DIMMs. The USDT
system provides two DIMM sockets while all other form factors provide four DIMM sockets.
The USDT models support a maximum of two gigabytes of memory while all other models
support up to four gigabytes of memory.
NOTE: The maximum memory amounts stated above are with 1-GB memory modules
using 512-Mb technology DIMMs.
2.4.5 MASS STORAGE
All models support at least two mass storage devices, with one being externally accessible for
removable media. These systems provide two UATA interfaces (each supporting two IDE
devices) and at least one SATA interface (supporting one SATA device). These systems may be
preconfigured or upgraded with a 40-, 80-, or 160-GB UATA100 IDE hard drive and one
removable media drive such as a CD-ROM drive. The removable media device in the USDT
form factor must be a multibay device.
2.4.6 SERIAL AND PARALLEL INTERFACES
All models except USDT form factor models include two serial ports and a parallel port accessible
at the rear of the chassis. Each 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.
2.4.7 UNIVERSAL SERIAL BUS INTERFACE
All models provide six Universal Serial Bus (USB) ports, with two ports accessible at the front of
the unit and four ports accessible on the rear panel. The USB interface provides hot
plugging/unplugging functionality. These systems support USB 2.0 functionality on all ports.
hp compaq d330 and d530 Series Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition– June 2003
2-18
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