System Memory Support - Kontron KTH81/mITX User Manual

KTD-N0882-I

System Memory support

3.4
The KTH81/mITX, KTQ87/mITX and KTH81/Flex have two DDR3 UDIMM sockets while the KTQ87/Flex has
four DDR3 UDIMM sockets. The sockets support the following memory features:
•
DDR3 1.5V/1.35V UDIMM 240-pin
•
Dual-channel with 1 UDIMM per channel (2 UDIMM for KTQ87/Flex)
•
Single/dual rank unbuffered 1333/1600MT/s (PC3-10600/PC3-12800)
• rd
The supported 4
•
From 1GB and up to 2x 8GB (4x 8GB for KTQ87/Flex).
o Note: Less than 4GB displayed in System Properties using 32bit OS
o (Shared Video Memory/PCI resources is subtracted)
•
SPD timings supported
•
ECC supported
The installed DDR3 DIMM should support the Serial Presence Detect (SPD) data structure. This allows the
BIOS to read and configure the memory controller for optimal performance. If non-SPD memory is used, the
BIOS will attempt to configure the memory settings, but performance and reliability may be impacted.
Memory Operating Frequencies
Regardless of the DIMM type used, the memory frequency will either be equal to or less than the processor
system bus frequency. For example, if DDR3 1600 memory is used with a 1333 MHz system bus frequency
processor, the memory clock will operate at 167 MHz. The table below lists the resulting operating memory
frequencies based on the combination of DIMMs and processor.
DIMM Type Module
name
DDR3 1333 PC3-10600
DDR3 1600 PC3-12800
DDR3 1600 PC3-12800
Notes: Kontron offers the following memory modules:
1GB DDR3 1333 PC3-10600, P/N: 1031-9872
2GB DDR3 1333 PC3-10600, P/N: 1054-3702
4GB DDR3 1333 PC3-10600, P/N: 1054-3703
8GB DDR3 1333 PC3-10600, P/N: 1054-3704
1GB DDR3 1600 PC3-12800, P/N: 1054-3706
2GB DDR3 1600 PC3-12800, P/N: 1054-3707
4GB DDR3 1600 PC3-12800, P/N: 1054-3708
8GB DDR3 1600 PC3-12800, P/N: 1052-5601
Memory modules have in general a much lower longevity than embedded motherboards, and therefor EOL
of modules can be expected several times during lifetime of the motherboard. Kontron guarantees that the
above P/N will be maintained so that EOL module will be replaced by other similar type of qualified module.
As a minimum it is recommend using Kontron memory modules for prototype system(s) in order to prove
stability of the system and as for reference.
For volume production you might request to test and qualify other types of RAM. In order to qualify RAM it
is recommend configuring 3 systems running RAM Stress Test program in heat chamber at 60⁰C for a
minimum of 24 hours.
Page 19
Generation Core i5/i7 support 1333/1600 MT/s
Memory Data Processor system
transfers bus frequency
[MT/s]
1333
1600
1600
KTQ87/KTH81 Users Guide
Resulting memory
clock frequency
[MHz] [MHz]
1333 / 1600 167
1333 167
1600 200
System Specification
Peak
transfer rate
[MB/s]
10666
10666
12800