Refer to page 30 of your manual, section 3-7.
> This board's Optimal setting is actually underclocking your chip by
a large margin.
> In BIOS, change your Freq/Voltage from Optimal to Aggressive. This
will take you to 1.99 GHz, which is still a bit low for this chip's
rating. If that is stable, you can try to overclock the chip by
kicking it up to Turbo or Expert and playing with those settings.
> I left mine at Aggressive, because I am Chicken.
> In my experience, on most boards you can specify the frequency; I
guess Chaintech dumbed down the process with this one.
> There are no temperature sensor displays in BIOS either; too bad.
Hello, like so many participants on this and other forums, I have a
lot of issues with Chaintech, especially the 7NJL6 mobo heavily
promoted in recent months by online shops such as TigerDirect. I
bought the mobo bundled with the AMD Athlon XP 3000+ 333 MHz, Barton
Core from TD back in mid-September. It was nothing but trouble, with
frequent lock ups and blue screens. I spent probably 50 hours total
troubleshooting, swapping components, etc., and finally returned the
mobo to Chaintech for a replacement.
The replacement has been running stably, but with a puzzling and
annoying twist - POST reports MEMORY FREQUENCY of 100 MHz, with or
without DDR Enabled, and no matter what I do with BIOS settings or
how or where I install the memory in the three banks.
7NJL6 with AMD Athlon XP 3000+, 333 MHz FSB, Barton Core
Vantec iON 2 350W PSU
Windows Millenium, fully updated
3 sticks of Ultra DDR PC3200, 400 MHz
NVIDIA GeForce2 GTS
Chaintech 7.1 Channel PCI 24HT-S Sound Card
Seagate 120 GB EIDE HDD
Samsung TSST H552B CD/DVD+/-RW
The really curious thing is, no matter what I do, the system's
performance scores using Symantec System Works 2004's bundled
Performance Tests (www.passmark.com) are the same: 230-240 Pass Mark;
710-730 Megaflops. The CPU runs at the correct, rated speed of 2158
MHz (1.3 x 166), with JP3 jumper at default setting (pins 1,2
jumpered for 133/166/200 MHz). I've found that the one BIOS setting
on this board that have direct, immediate effect on CPU speed is the
Gate A20 Option - it must be left at the default setting of FAST, not
Normal, otherwise the CPU speed drops to 1300 MHz.
I've tweaked and tried virtually every likely BIOS setting to try to
alter this immovable MEMORY FREQENCY of 100 MHz, with no success.
I've tried the Aggressive setting for the CPU INTERFACE options; SPD
vs. AUTO in the MEMORY FREQUENCY settings, and populated the memory
banks with 2 or 3 sticks at alternate positions. All of which produce
no difference in the 100 MHz memory frequency in POST, and negligible
differences in performance scores.
Guy, I too was "chicken" to go any further with "turbo" or "expert"
in selecting CPU Interface options, especially since I found that
with my particular 7NJL6 board, I can not select 200 MHz FSB - I've
tried it twice, and both times the system wouldn't boot at all and I
had to clear the CMOS and start over.
Is it possible that this Chaintech board has a double- or quad- pumped
FSB bus? If so, my system at least is running at 200 MHz minimum? The
Chaintech 7NJL6 User Guide is poorly written, with omissions, and
doesn't mention this item. The Chaintech web site and Tech Service is
not of much help either, although the latter has returned my emails
rather promptly. Its latest advice is for me to reflash the BIOS,
which I am not about to do as the risk/reward ratio is abysmal.
You, and several others on this board are obviously skilled and
knowledgeable with computers. I am hoping you can point to something
I may have missed. I confess to considerable ignorance on the subject
of changing computer speeds and timing - I've never tried overclocking
for that reason, especially since I am not a gamer.
Any advice or comment is extremely welcome and appreciated. Sorry for
a rather long post, but I wanted to be clear about what I want to
>> Stay informed about: CT-7NJL6 w/ barton 3000+ only running at 1300