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|Chaintech S1689 Motherboard Review |
| Chaintech S1689 Review
Installation was extremely easy. Using Chaintech's
user's manual I had the system up and running within minutes. The
manual contains what I consider irrelevant information at the
beginning, but also contains some very useful and critical
BIOS & Overclocking
Chaintech S1689 uses a pretty basic version of an Award BIOS.
I haven't noticed any special features but one of the main
features I've noticed is the advanced memory overclocking panel.
You can easily change CPU multiplier with the hammer feature provided by Chaintech's BIOS.
As well as change CPU voltages.
Hammer VID Control (CPU Voltage): 0.825 -1.550 Volt
Cool'n'Quiet can be shut down in one click. overclockers,
you better shut this down as it automatically lowers your clock while
Overview of the Power Management Setup panel
All onboard hardware can be also be shutdown quickly if unusable (also will give you a little performance boost)
You can also adjust AMD's HyperTransport feature.
Hammer to M1689 Freq. (HT Frequency): 200/400/600/800/1000 MHz
Hammer to Width (HT Width): 2/2, 4/4, 8/8, 16/8
However, this motherboard suffers from a great disadvantage, the CPU
Clock overclocking panel in the BIOS is limited to 232MHz ONLY, I asked
Chaintech why it is limited and their response was that once you pass
the 232MHz barrier the AGP slot stops working.
Here's what Chaintech/ULi told us when we asked them if iIs there
any way to bypass the 232 MHz bus speed limit? and what is the chipset
Its a little bit difficult because
the bottleneck is AGP clock rate. The current clock chip on the mother
board just provides sync mode for overclocking feature. If you want to
do over clocking which is more than 232MHz, you need to change a new
clock chips which support sync mode overclocking features. It
means that the 66MHz AGP clock will be fixed and you have to use the
HyperTransport bus clock to overclock.
After a quick review of the features provided by the BIOS we found the
PC Health section. After we entered, it showed that my CPU was running
at 124 degrees Celsius! This is unlikely to happen to a non-overclocked
Athlon64 Venice 3000+ running on stock 1800MHz. After touching the
heatsink attached to the CPU and it was cold, we realized immediately
there is a problem with the temperature sensor. After browsing the web
for the problem, I found a thread about this issue. It seems like the
bios has some problems calculating the right temperature for Venice
cores. I downloaded a program called DigiDoc that collects the
information from the sensor and calculates the temperature by itself.
DigiDoc says I'm running on 50C-60C which looks pretty normal
compared to 124C the BIOS detected.
Here's a response to some random user received from Chaintech (found this in some support forum):
"Due to Third party Utility
detect the temperature information is from the I/O chip, which will not
exactly current CPU temperature". Chaintech is
right, it does seem like some third party programs are detecting wrong
temperatures (such as SANDRA/Everest H.E. which "detected"
124C). Although I'm still not sure about the reliability of
the "fixed" temperatures (60C looks a bit too much for
AMD64 3000+ with no O.C.).
Apart from the issues I've mentioned above everything seems to work perfectly fine.
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