----- Original Message -----
From: "Mark Kanko" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, March 17, 2003 3:38 PM
Subject: [PCBUILD] ASUS A7N8X Deluxe MoBo Over-Clocking Error Message


> I just got a new A7N8X Deluxe motherboard from NewEgg.  I installed a
> brand-new AMD Athalon XP 2400+ CPU (2.0 GHz) with the AMD fan and heatsink
> and two 256M Crucial sticks (inserted into slots 1 & 3).  I verified that
> the CPU_FSB jumper was in the "FSB333/266" position.  I'm running a new
450W
> power supply.  When I tried booting the system, I got the "System failed
due
> to CPU over-clocking" message during POST. When I checked the Advanced
> Chipset Features, here were the pertinent settings:
>
>   CPU External Frequency [100]
>   CPU Frequency Multiple Setting [Auto]
>   CPU Frequency Multiple [7.0x/15.0x]
>
> First I changed the CPU External Freq to 166.  I still got the POST
message,
> although not consistently.  So I changed the setting to 133. Now it seems
to
> boot OK when I tried it 5-6 times last evening.  One last weird thing:
> There's a screen that pops up during reboot sometimes that shows the CPU
> type and Memory.  I observed twice last evening that it listed the CPU as
an
> 1800+ (!??)  I am not attempting nor interested in over-clocking.
>
> So my questions:
>   1) with a 2400+ processor, isn't "166 CPU External Frequency" the
correct
> setting?

No, it is 133!!!

>   2) why does the board think I have an 1800+ CPU loaded?

Because you try to overclock it, so it went back to 100 FSB by default.  The
speed of your CPU is now 100x15=1500 which is close to 1800+ CPU (1533).
That's why.

Jun Qian

         PCBUILD maintains hundreds of useful files for download
                     visit our download web page at:
                  http://freepctech.com/downloads.shtml