HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 37
Support Components, 2.4.4 System Memory, Table 2-5, Support Component Functions
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System Overview 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. Table 2-5 Support Component Functions Component Name Function SCH5317 I/O Controller 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 Intel 82566DM Network Interface 10/100/1000 Fast Ethernet network interface controller. Controller ALC262 HD Audio Codec Audio mixer One digital-to-analog 2-channel converter Two analog-to-digital 2-channel converters Analog I/O 2-channel audio support 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 www.hp.com 2-21