Memory Overview - Intel BV80605001914AG - Processor - 1 x Xeon X3430 Manual

®
Intel Xeon™ Processor 3400 Series
Platform capability (6 DIMMs):
• Up to 2 channels per CPU
• Up to 3 DIMMs per channel
Memory types supported:
• DDR3 1333, 1066, and 800
• Registered ECC (RDIMM) and Unbuffered ECC (UDIMM)
• Single-rank (SR), dual-rank (DR), quad-rank (QR)
System memory speed (i.e. the speed at which the memory is actually
running) is set by BIOS depending on:
• CPU capability
• DIMM type(s) used (memory speed, U/RDIMM, SR/DR/QR)
• Number of DIMMs populated per channel
Both channels in a system will run at the fastest common frequency:
• Example: If you populate 1 DIMM at 1333 MHz in Channel 1, and 1 DIMM at 1066
MHz in Channel 2, both DIMMs will run at 1066 MHz.
Updated April 21, 2011

Memory Overview

Up to 2
1
channels
2
per CPU
Up to 3
DIMMs per
channel
CPU