Product Description
21
1.4 Intel
®
Z87 Express Chipset
Intel Z87 Express Chipset with Direct Media Interface (DMI) interconnect provides
interfaces to the processor and USB, SATA, LPC, LAN, and PCI Express. The Intel Z87
Express Chipset is a centralized controller for the board’s I/O paths.
For information about Refer to
The Intel Z87 chipset
http://www.intel.com/products/desktop/chipsets/index.htm
Resources used by the chipset Chapter 2
1.4.1 Direct Media Interface (DMI)
Direct Media Interface (DMI) is the chip-to-chip connection between the processor and
the PCH. This high-speed interface integrates advanced priority-based servicing
allowing for concurrent traffic and true isochronous transfer capabilities.
1.5 System Memory
The board has four DIMM sockets and supports the following memory features:
• 1.5 V DDR3 SDRAM DIMMs with gold plated contacts, with the option to raise the
voltage to support higher performance DDR3 SDRAM DIMMs.
• 1.35 V Low Voltage DDR3 DIMMs (JEDEC specification)
• Unbuffered, single-sided or double-sided DIMMs with the following restriction:
Double-sided DIMMs with x16 organization are not supported.
• 32 GB maximum total system memory (using 4 Gb memory technology). Refer to
Section 2.1.1 on page 49 for information on the total amount of addressable
memory.
• Minimum total system memory: 1 GB using 512 MB x16 module
• Non-ECC DIMMs
• Serial Presence Detect
• Support for DDR3 1066 MHz up to 2400+ MHz DIMMs
DDR3 2133 dual channel mode is supported via the Overclocking Assistant
DDR3 2400 dual channel mode is supported via XMP profiles and manual mode
DDR3 2667 single channel mode is supported via XMP profiles and manual
mode
• XMP version 1.3 performance profile support for memory speeds above 1600 MHz
NOTE
To be fully compliant with all applicable DDR SDRAM memory specifications, the board
should be populated with DIMMs that support the Serial Presence Detect (SPD) data
structure. This allows the BIOS to read the SPD data and program the chipset to
accurately configure memory settings for optimum performance. If non-SPD memory
is installed, the BIOS will attempt to correctly configure the memory settings, but
performance and reliability may be impacted or the DIMMs may not function under the
determined frequency.
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