Support Components; System Memory - HP dx7300 Technical Reference Manual

Compaq dx7300/dc7700 series business desktop computers
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2.4.3 Support Components

Input/output functions not provided by the chipset are handled by other support components.
Some of these components also provide "housekeeping" and various other functions as well.
Table 2-5 shows the functions provided by the support components.
Component Name
SCH5317 I/O Controller
Intel 82566DM Network Interface
Controller
ALC262 HD Audio Codec

2.4.4 System Memory

These systems implement a dual-channel Double Data Rate (DDR2) memory architecture. All
models support DDR2 800-, 667-, and 533-MHz DIMMs and ship with DDR2 800- or 667-MHz
DIMMs.
DDR and DDR2 DIMMs are NOT interchangeable.
The USDT system provides three DIMM sockets supporting up to 3 GB of memory while all
other form factors provide four DIMM sockets and support a total of four gigabytes of memory.
The maximum memory amounts stated above are with 1-GB memory modules using 1-Gb
technology DIMMs.
Technical Reference Guide
Table 2-5
Support Component Functions
Function
Keyboard and pointing device I/F
Diskette I/F
Serial I/F (COM1and COM2)
Parallel I/F (LPT1, LPT2, or LPT3)
PCI reset generation
Interrupt (IRQ) serializer
Power button and front panel LED logic
GPIO ports
Processor over tempurature monitoring
Fan control and monitoring
Power supply voltage monitoring
SMBus and Low Pin Count (LPC) bus I/F
10/100/1000 Fast Ethernet network interface controller.
Audio mixer
One digital-to-analog 2-channel converter
Two analog-to-digital 2-channel converters
Analog I/O
2-channel audio support
www.hp.com
System Overview
2-21

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