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GA-7DXR+Athlon xp 1700++dual mouseman=doesnt work

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Anonymous
a b V Motherboard
a b à CPUs
January 28, 2002 5:35:31 PM

I have recently brought a athlon XP 1700+. After the install of the new cpu and flashing of the bios my mouse didnt work. This is only so when i run the cpu with fsb 133. If i run the fsb at 100 i have no problems with the mouse but then the cpu is running at 1100 MHz :(  .
The mouse is a logitech dual optical Mouseman attatched to the usb port.
In trying to solve this i choose fail safe operation in the bios, and then i modifed it to my preferences (ie disabling AC97 codecs and so on). The fsb was then set to 100 mhz making my processor run at 1100 mhz. After reboot i installed the os which is win98 SE. I applied all chipset drivers, agp patch for athlon systems and so on. All this time the mouse was working.
Since the processor was set to 1100 mhz i adjusted it to 133 mhz fsb, and when i booted the system the mouse didnt work. So figuring out at which fsb the mouse stopped to work i tested different fsb settings as shown below.

fsb, multiple, cpu Mhz, mouse funktion, Bios cpu recognition
115 11 1265 worked Athlon 1265
117 11 1287 didnt work Athlon XP 1500+
119 11 1309 worked Athlon XP 1500+
121 11 1331 worked Athlon XP 1500+
123 11 1353 worked Athlon XP 1500+
124 11 1364 worked Athlon XP 1364MHz
125 11 1375 didnt work Athlon XP 1600+
127 11 1397 didnt work Athlon Xp 1600+

This is the pattern i get after testing the different fsb settings. I didnt bother with testing the fsb above 127. All the fsb settings below 115 worked.
Right now i run the fsb at 124. I have tried the microsoft usb patch too and in that configuration it worked even worse. I tried to install the latest drivers for the mouse too, and that didnt worked either.
When the mouse doesn't work i first get a message saying that the mouse wasnt found. After pressing enter twice(one for the error msg and one for the login to win98) i get a msg that windows have found new hardware and after it found the hardware it installs some driver. When i goes to the device manager i have one extra device in the usb section that have a red circle on it, and it is listed as unknown device(or something similar) when i enter the properties of the devise i can see that its not enabled so i enable it and restarts the computer. Afterwards the devise is listed as if some drivers or hardware is missing. This is the same responce i get if i switch mouse to a logitech pilot wheel mouse in usb configuration.
This system was working before i got the 1700+ and then i was running a duron 800. If you have come across a similar situation i would be very gratefull to know if you solved the problem and what you did.

Take care ppl
/Dal
January 28, 2002 6:06:35 PM

What is the chipset of your motherboard? Does it support 133MHz FSB?
Quote:
115 11 1265 worked Athlon 1265
117 11 1287 didnt work Athlon XP 1500+
119 11 1309 worked Athlon XP 1500+
121 11 1331 worked Athlon XP 1500+
123 11 1353 worked Athlon XP 1500+
124 11 1364 worked Athlon XP 1364MHz
125 11 1375 didnt work Athlon XP 1600+
127 11 1397 didnt work Athlon Xp 1600+

If you run your FSB lower than 133 MHz (on some modern mobos), the PCI/FSB divider is still at 1/3 (ie, 127MHz FSB will result PCI runs overclocked at ~42.3MHz, that usually causes problems to some devices, when it should be only ~33MHz).

:smile: Good or Bad have no meaning at all, depends on what your point of view is.
Anonymous
a b V Motherboard
a b à CPUs
January 29, 2002 6:03:25 AM

Hi!
My chipset is based on the AMD 760 chipset. I have the AMD 761 northbridge and via686b southbridge. As far as i know AMD 761 is able to run at 133 fsb.

I have also made some more tests. I tested installing the mouse via the ps/2 port when i was running 133 fsb. That worked, but i would rather have the mouse connected to the usb port. I havent tested other usb devises since i dont have any other.

About the fsb divider, if i run at 133 fsb the divider is 1/4? In that case there should not be any devise that is running out of spec. And still the usb mouse dont work. But i havent had any problems with my nic (a 3com 905 10/100 nic) when i had 127 fsb.
Any ideas?

/Dal
Related resources
January 29, 2002 8:12:43 AM

Quote:
About the fsb divider, if i run at 133 fsb the divider is 1/4? In that case there should not be any devise that is running out of spec.

Most of them is with an exception of <b><i><font color=blue>Abit</b></i> KG7</font color=blue>. It needs to manually change the divider (called <b>FSB Rate</b>) from 3:3:1 to 4:4:1 or PCI bus runs out of spec.
Quote:
But i havent had any problems with my nic (a 3com 905 10/100 nic) when i had 127 fsb.

Some brand name PCI devices (or AGP video cards) have higher threshold of tolerance, but USB usually does not.

:smile: Good or Bad have no meaning at all, depends on what your point of view is.
January 29, 2002 4:12:50 PM

You will have to set the divider to 1/4 otherwise your PCI bus wil be running out of spec, with a 100 MHz FSB the PCI diveder is 1/3: 100/3=33.3 and with 133 MHz it is 133/4=33.3 MHz.

My case has so many fans that it hovers above the ground :eek:  .
Anonymous
a b V Motherboard
a b à CPUs
January 30, 2002 6:12:58 AM

The only problem with this is that there is no option in seting the divider in bios :( .

/Dal

Its better to ask a question and be a fool for five minutes, than to be a fool forever.
January 30, 2002 7:20:37 AM

What mobo do you have (Epox, Gigabyte, Asus, ...)? You can try up CPU's core a little bit to see if it help or lower your RAM settings.

:smile: Good or Bad have no meaning at all, depends on what your point of view is.
Anonymous
a b V Motherboard
a b à CPUs
January 30, 2002 5:33:55 PM

Hello

I have a Gigabyte mobo.

I think i confused the first post. The problem i have is with the usb connected mouse. When i run the memory with the fsb at 133 my computer wont detect the mouse. The mouse is detected if i run the fsb at 100 but then my cpu is about 366 mhz slower than what i payed for.

Soo...either i have a (compativly) slow cpu or a nondetectable mouse. Which pick should i make?

/Dal

Its better to ask a question and be a fool for five minutes, than to be a fool forever.
January 30, 2002 7:17:38 PM

Did you install latest VIA 4-in-1 drivers (DO NOT install AGP driver because it's AMD)? I have Abit KG7-RAID and it has the same chipset as GigaByte (AMD 761 Northbridge and VIA Southbridge). It can run USB devices as modem and printer without problem at FSB 133 (I don't use USB mouse though).

:smile: Good or Bad have no meaning at all, depends on what your point of view is.
Anonymous
a b V Motherboard
a b à CPUs
January 31, 2002 12:28:55 PM

Hi!

The via 4 in 1 file only garbled the sound on my comp so i have to reinstall some older via 4 in 1. Oh the mouse was still not working :( .

i have been starting to look at viahardware.com and usbman.com to see if they have a solution, alas i havent found one yet that describes my problem.

/Dal

Its better to ask a question and be a fool for five minutes, than to be a fool forever.
January 31, 2002 5:27:50 PM

Quote:
The only problem with this is that there is no option in seting the divider in bios

I just checked its manual (<font color=blue>GA-7DX</font color=blue> is this your mobo's model?) on <b><A HREF="http://www.giga-byte.com/support/msocketa.htm" target="_new"><font color=blue>GigaByte</A></b></font color=blue> website, and it shows that you need to change manually FSB from 100 to 133MHz by Dipswitch <b><font color=red>SW1</b></font color=red> not in <b><i>BIOS</b></i>.
FSB 100.7MHz: PCI 33.27: AGP 67.13 [ON/ON/OFF/OFF]
FSB 133MHz: PCI 33.3: AGP 66.6 [ON/ON/ON/ON]


:smile: Good or Bad have no meaning at all, depends on what your point of view is.
Anonymous
a b V Motherboard
a b à CPUs
February 1, 2002 5:26:10 PM

Hi!
It seems that switching the FSB manually did the trick!!!
Thanks alot :)  .

Its better to ask a question and be a fool for five minutes, than to be a fool forever.
!