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Intel Desktop Board D915PGN/D915PSY/D915PCY/D915PCM Product Guide
18
Four 240-pin Double Data Rate 2 (DDR2) SDRAM Dual Inline Memory Module (DIMMs)
connectors with gold-plated contacts.
•
Support for:
Unbuffered, non-registered single or double-sided DIMMs
Serial Presence Detect (SPD) memory only
Non-ECC RAM
1.8 V memory
Memory configuration listed below:
•
Up to 4.0 GB utilizing 512 Mb or 1 GB technology
•
Up to 2.0 GB utilizing 256 Mb technology
NOTE
System resources (such as PCI and PCI Express) require physical memory address locations that
reduce available memory addresses above 3 GB. This may result in less than 4 GB of memory
being available to the operating system and applications.
Related Links
Go to the following links or pages for more information about:
• The latest list of tested memory, http://support.intel.com/support/motherboards/desktop/
• SDRAM specifications, http://www.intel.com/technology/memory/pcsdram/spec/
• Installing memory, page 36 in Chapter 2
Intel
®
915P Express Chipset
The Intel 915P Express Chipset consists of the following devices:
• Intel 82915P Memory Controller Hub (MCH)
• Intel 82801FB I/O Controller Hub (ICH6) with Direct Media Interface
• Firmware Hub (FWH)
Related Link
Go to the following link for more information about the Intel 915P chipset:
http://developer.intel.com/design/nav/pcserver.htm
Audio Subsystem
Desktop Board D915PGN/D915PSY/D915PCY/D915PCM includes a flexible 6-channel audio
subsystem based on a Realtek Semiconductor Corporation codec:
The audio subsystem features:
• Impedance sensing capability for jack re-tasking
• S/N (signal-to-noise) ratio: > 90 dB
• Power management support for ACPI 2.0 (driver dependent)
• Intel 82801FB I/O Controller Hub (ICH6)
• Realtek ALC860 audio codec