I built a new system with a new install of Win XP Home. The Athlon 2400 was first recognized as an 1800+ and everything ran great from the first start. However if I set the FSB to 133 (default for 2400+) then the system will spontaneously restart after no more than a few minutes, sometimes immediately. The problem persists in Safe Mode as well. I get a brief glimpse of a blue screen that states there is a driver problem but Windows is unable to identify the driver. I have all the current chipset, audio, and video drivers installed. The bios has been updated as well. I have removed my sound card and disabled the onboard sound, which has made no difference. I have run memtest numerous cycles at fsb's of 100 and 133 with no errors at all. It is a little difficult to monitor temps as the system restarts so quickly, but I don't think cpu temp has been higher than 45c. Please help

Shuttle AN35 Ultra 400, MSI ti 4200 video, Turltle Beach Santa Cruz sound, Seagate 7200rpm 40 GB HD, Sony DVD/CD drive, Enermax 430w psu, Zalman copper'flower' cooler, Apacer pc2700 512mb (one stick

George

Have you tried a fresh install after you changed the FSB.??
There is a possibility the memory has a compatibility fault I had a similar
problem when I upgraded to a 1Ghz Athlon, with the bus at 100M it ran as a
750Mhz fine but at 133M it would fall over I changed the memory stick & all
was well. Try a fresh install first though to be sure it isn't something to
do with that.

best of luck
Neil
"minniegeo" <(E-Mail Removed)> wrote in message
news:B8B0C949-1030-4A2D-959B-(E-Mail Removed)...
> I built a new system with a new install of Win XP Home. The Athlon 2400
was first recognized as an 1800+ and everything ran great from the first
start. However if I set the FSB to 133 (default for 2400+) then the system
will spontaneously restart after no more than a few minutes, sometimes
immediately. The problem persists in Safe Mode as well. I get a brief
glimpse of a blue screen that states there is a driver problem but Windows
is unable to identify the driver. I have all the current chipset, audio, and
video drivers installed. The bios has been updated as well. I have removed
my sound card and disabled the onboard sound, which has made no difference.
I have run memtest numerous cycles at fsb's of 100 and 133 with no errors at
all. It is a little difficult to monitor temps as the system restarts so
quickly, but I don't think cpu temp has been higher than 45c. Please help!
>
> Shuttle AN35 Ultra 400, MSI ti 4200 video, Turltle Beach Santa Cruz sound,
Seagate 7200rpm 40 GB HD, Sony DVD/CD drive, Enermax 430w psu, Zalman
copper'flower' cooler, Apacer pc2700 512mb (one stick)
>
> George

Thanks for the suggestion. AMD support also suggested the memory as the source of the problems. But why doesn't Memtest show a problem? I'll try another stick. I bought the Apacer 2700 at a very reasonable price. I had heard very good things about Apacer pc2100 memory, but since have found out that Apacer's 2700 is not as good. I suppose that's what I get for being cheap

----- neil wrote: ----

Have you tried a fresh install after you changed the FSB.?
There is a possibility the memory has a compatibility fault I had a simila
problem when I upgraded to a 1Ghz Athlon, with the bus at 100M it ran as
750Mhz fine but at 133M it would fall over I changed the memory stick & al
was well. Try a fresh install first though to be sure it isn't something t
do with that

best of luc
Nei
"minniegeo" <(E-Mail Removed)> wrote in messag
news:B8B0C949-1030-4A2D-959B-(E-Mail Removed)..
> I built a new system with a new install of Win XP Home. The Athlon 240
was first recognized as an 1800+ and everything ran great from the firs
start. However if I set the FSB to 133 (default for 2400+) then the syste
will spontaneously restart after no more than a few minutes, sometime
immediately. The problem persists in Safe Mode as well. I get a brie
glimpse of a blue screen that states there is a driver problem but Window
is unable to identify the driver. I have all the current chipset, audio, an
video drivers installed. The bios has been updated as well. I have remove
my sound card and disabled the onboard sound, which has made no difference
I have run memtest numerous cycles at fsb's of 100 and 133 with no errors a
all. It is a little difficult to monitor temps as the system restarts s
quickly, but I don't think cpu temp has been higher than 45c. Please help
>> Shuttle AN35 Ultra 400, MSI ti 4200 video, Turltle Beach Santa Cruz sound
Seagate 7200rpm 40 GB HD, Sony DVD/CD drive, Enermax 430w psu, Zalma
copper'flower' cooler, Apacer pc2700 512mb (one stick
>> Georg