KTD-N0886-E
Page 14
System Specification
KTQM87/mITX Users Guide
System Memory support
3.4
The KTQM87/mITX has two DDR3 UDIMM sockets. The sockets support the following memory features:
•
2x DDR3 1.5V/1.35V UDIMM 240-pin
•
Dual-channel with 1 UDIMM per channel
•
From 1GB and up to 2x 8GB.
Note: If using 32bit OS then less than 4GB in displayed in System Properties
(Shared Video Memory/PCI resources is subtracted)
•
Single/dual rank unbuffered 1333/1600MT/s (PC3-10600/PC3-12800)
•
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
Memory Data
transfers
[MT/s]
Processor system
bus frequency
[MHz]
Resulting memory
clock frequency
[MHz]
Peak
transfer rate
[MB/s]
DDR3 1066
PC3-8500
1066
1066 / 1333
133
8533
DDR3 1333
PC3-10600
1333
1333 / 1600
167
10666
DDR3 1600
PC3-12800
1600
1333
167
10666
DDR3 1600
PC3-12800
1600
1600
200
12800
Notes
: Kontron offers the following memory modules:
NEW SKU 04/2016* SKU Name**
OLD SKU before 04/2016
1060-2492
DDR3-1333 DIMM 2GB
1054-3702
1060-2494
DDR3-1333 DIMM 4GB
1054-3703
1060-2496
DDR3-1333 DIMM 8GB
1054-3704
1060-2498
DDR3-1600 DIMM 2GB
1054-3707
1060-2500
DDR3-1600 DIMM 4GB
1054-3708
1060-2488
DDR3-1600 DIMM 8GB
1052-5601
*SKU changes were caused by administrative issues only, no hardware changes.
**Named are always the min. requirements, the shipped memory can fulfill a higher performance level
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 60
⁰
C for a
minimum of 24 hours.
