ik post je de email wat ik heb gekregen van kingston:
thank you very much for your query and interest in Kingston Technology
products.
We can recommend you to try out these following Kingston Valueram DDR400
memory modules in your ASUS motherboard:
KVR400X64C3A/128
KVR400X64C3A/256
KVR400X64C3A/512
KVR400X64C3AK2/1G
KVR400X64C3AK2/256
KVR400X64C3AK2/512
KVR400X72C3/256
KVR400X72C3/512
KVR400X72C3A/256
KVR400X72C3A/512
These parts are CL3, but they have been tested and designed for this
particular motherboard, therefore we can guarantee 100% compatibility.
I hope this information helps.
If you need further assistance, please dont hesitate contacting us again.
Best regards
Katja Kivimäki
nu 2e email:
Please, have a look at the following link provided:
http://www.ec.kingston.co...ator/modelsinfo.asp?SysID
=+14686+&distributor=0&submit1=Search
Furthermore, the Kingston HyperX module KHX3200/512 is a PC3200 400MHz
lower latency DDR module for the overclocker/enthusiasts market that has
been tested on our HP 83000 multi-million dollar memory tester to run at
the following specifications:
400Mhz, memory timings 2-2-2-6-1 at 2.6V.
CL: 2
CAS latency
tRCD: 2
RAS TO CAS DELAY
tRP 2
RAS ACTIVE PRECHARGE
tRAS: 6
ROW-ACTIVE DELAY / ACTIVE PRECHARGE DELAY
COMMAND RATE 1
JEDEC has released 3 specifications for DDR400 that are compatible with the
Canterwood and Springdale chipsets:
JEDEC Spec name Kingston equivalent
DDR400A: 2.5-3-3-8 KVR400x64C25/xxx
DDR400B: 3.0-3-3-8 KVR400x64C3A/xxx
DDR400C: 3.0-4-4-8 KVR400x64C3/xxx
Voltage is 2.6V for all DDR400 technologies.
Please be aware that the Canterwood and Springdale chipsets only support
DDR400 (speeds above 400MHz memory clock (or 200MHz memory core clock) are
not officially supported by the chipset according to Intel specifications)
when a CPU with a FSB of 800MHz is installed.
The following are some troubleshooting hints that might help solve the
issues with the memory.
The performance and compatibility of a motherboard is dependent on its
various components. Due to the variation of components used on generic
motherboards, compatibility problems may occur especially should the
specifications [i.e. the memory timings] exceed the requirements the board
is designed and built for. Motherboards resemble the interface of a system
on which all components communicate with each other. The time it takes an
electric signal to get from a hardware component to it's controller and
vice versa is essential and modification of the timings can affect the
stability of the whole system as other controllers and devices also
communicate with this controller. Therefore, when overclocking and thus
applying timings that the board and different components are not designed
for, the whole clock cycle of a system is affected and the timings have to
be individually modified to find a stable setting.
If you experience memory related stability problems it could be due to
memory timings being too aggressive for your current configuration. For
example we recommend to disable/change any top performance, turbo or
similar presets for the memory to a standard value, as they are meant as a
final optimization of system access timings and not for general usage.
Should you require more information about the above-mentioned settings
please consult the system/motherboard manufacturer. In case you have
configured the memory timings to be set by the SPD this could cause a
problem as the timings in the SPD are set to 2-2-2-6-1 for the KHX3200/***,
however the required voltage of 2.6V+, in some cases even above 2.75V, on
specific motherboards has to be configured manually in order to enable it
to run the memory at these timings.
Please also be aware that according to our information the Canterwood and
Springdale boards require a RAS to CAS delay of at least 3 and a RAS to CAS
of 2 will not work.
Modifying the voltage in a system and running the components at timings
that exceed the specifications i.e. of the motherboard is also known as
overclocking and Kingston cannot recommend this as it breaches standard
motherboard component specification. This is why we generally suggest to
use only the memory modules that we have listed on our website at
http://www.kingston.com/products/default.asp for a specific motherboard, as
they match the specifications the manufacturer has released for the
motherboard.
If you do not want to modify the voltage, we recommend you try less
aggressive timings by setting them manually to slower values such as 400
MHz at 2.5-3-3-8-1 (as per JEDEC specifications listed as compatible for
this board) and work towards a stable configuration.
In certain cases additional cooling of the motherboard might also be
required to improve stability of the system. Try pointing a fan at the
motherboard and see if that improves the stability at the desired timings.
If yes we recommend installing North- and Southbridge fans and heat sinks.
We also recommend upgrading the BIOS to the latest revision on the
motherboard should you experience problems. Please contact the manufacturer
of the motherboard for further help on memory compatibility and how to
update your BIOS and configure it to run the memory at the desired speed
with specific timings.
Please be aware that motherboards that run memory in a dual-channel
configuration, such as the Abit IC7 are very sensitive to differences in
components used, which can cause instabilities. We therefore suggest using
our HyperX-kits such as the KHX3200K2/1G to ensure that the same components
are used on both modules for maximum compatibility. We also suggest using
not more than 2 HyperX modules in a system as the tolerance to fast timings
decreases with an increased amount of modules and it is then necessary to
raise the timings to slower values to compensate.
If you are still convinced that at least one of the modules is faulty
please test them individually and return the defective one to your point of
purchase for replacement.
Regards,
Klaus
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. Kep ook gezegd (en de feiten liegen er niet om) dat HyperX gewoon niet volledig compatibel is met de p4c800deluxe.
. Doe die test maar eens en dan post je je bevindingen hier
. Al twee keer mee terug geweest bij vendor maar zij hebben het probleem nog niet weten op te lossen. Geheugen is trouwens wel vervangen en volgens hun 100% compatible met p4c800.
