pluging into USB port crashing system

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

"Allen Drake" wrote in message ...

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?
--
SC Tom

"SC Tom" wrote in message ...

"Allen Drake" wrote in message ...

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?

Another thing to check is your BIOS settings. Make sure Legacy support is either Auto or Enabled.
--
SC Tom

On Thu, 29 Dec 2011 19:15:03 -0500, "SC Tom" wrote:


"SC Tom" wrote in message ...

"Allen Drake" wrote in message ...

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?

Another thing to check is your BIOS settings. Make sure Legacy support is either Auto or Enabled.

I do have other PSUs so I will use another one just to make sure. I
did check it with a Coolmax LCD Power Supply tester PS-228 and it
checked out fine. I will install another this weekend.

Thanks for the response.
Al.

Allen Drake wrote:
On Thu, 29 Dec 2011 19:15:03 -0500, "SC Tom" wrote:

"SC Tom" wrote in message ...
"Allen Drake" wrote in message ...
When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.
It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?
Another thing to check is your BIOS settings. Make sure Legacy support is either Auto or Enabled.

I do have other PSUs so I will use another one just to make sure. I
did check it with a Coolmax LCD Power Supply tester PS-228 and it
checked out fine. I will install another this weekend.

Thanks for the response.
Al.

How do you know the front panel wiring is correct ?

Some older Antec computer cases, have wiring errors in the
front panel harness. I've never found one which involved
"power reversal". They never mixed up VCC and GND, which
could instantly ruin a plugged in device. But they have
mixed up the data pins. Perhaps the problem is the
wiring.

The way I was able to determine the nature of the errors, was
by buzzing out the wiring with a multimeter set to ohms. Using a
needle fitted to one multimeter probe, I picked up the inside
of the front panel connector contact with that probe, then checked
the other end of the cable assembly with the other meter probe. And
verified that the labels matched - that a D+ goes to the D+ pin and
so on.

If a computer resets, it can be due to an overload on +5VSB. But
you'd expect the problem to "stay put", as long as the
offender was still plugged in. If it crashes and successfully
reboots, while the device is plugged into the front, it probably
isn't a wiring problem as such. If there was a wiring problem,
it might stay turned off (each time the power would come back
on, the short would turn it off again etc).

Paul

On Thu, 29 Dec 2011 19:10:45 -0500, "SC Tom" wrote:


"Allen Drake" wrote in message ...

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?

I did check the pin out and actually moved the cable to another
position on the board. I am getting a similar reaction by using the
rear ports but in that case the system simply locks up. I have a USB3
external drive attached which I will remove and try more debugging
later tonight.

I am not sure if this just started or not. I have several builds
going at one time and sometimes I lose focus. That and the 12 hour
days at my day job wears me down a bit.

On Thu, 29 Dec 2011 19:55:10 -0500, Paul wrote:

Allen Drake wrote:
On Thu, 29 Dec 2011 19:15:03 -0500, "SC Tom" wrote:

"SC Tom" wrote in message ...
"Allen Drake" wrote in message ...
When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.
It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?
Another thing to check is your BIOS settings. Make sure Legacy support is either Auto or Enabled.

I do have other PSUs so I will use another one just to make sure. I
did check it with a Coolmax LCD Power Supply tester PS-228 and it
checked out fine. I will install another this weekend.

Thanks for the response.
Al.

How do you know the front panel wiring is correct ?

Some older Antec computer cases, have wiring errors in the
front panel harness. I've never found one which involved
"power reversal". They never mixed up VCC and GND, which
could instantly ruin a plugged in device. But they have
mixed up the data pins. Perhaps the problem is the
wiring.

The way I was able to determine the nature of the errors, was
by buzzing out the wiring with a multimeter set to ohms. Using a
needle fitted to one multimeter probe, I picked up the inside
of the front panel connector contact with that probe, then checked
the other end of the cable assembly with the other meter probe. And
verified that the labels matched - that a D+ goes to the D+ pin and
so on.

If a computer resets, it can be due to an overload on +5VSB. But
you'd expect the problem to "stay put", as long as the
offender was still plugged in. If it crashes and successfully
reboots, while the device is plugged into the front, it probably
isn't a wiring problem as such. If there was a wiring problem,
it might stay turned off (each time the power would come back
on, the short would turn it off again etc).

Paul
Thanks for that Paul. I will use your method later tonight or
Saturday. For now I will search to see if others using my Antec Nine
Hundred Two have the same problem.

Al.

"Allen Drake" wrote in message news
On Thu, 29 Dec 2011 19:10:45 -0500, "SC Tom" wrote:


"Allen Drake" wrote in message ...

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?

I did check the pin out and actually moved the cable to another
position on the board. I am getting a similar reaction by using the
rear ports but in that case the system simply locks up. I have a USB3
external drive attached which I will remove and try more debugging
later tonight.

I am not sure if this just started or not. I have several builds
going at one time and sometimes I lose focus. That and the 12 hour
days at my day job wears me down a bit.


Oh yeah, I remember those days all too well. When I worked at a Ford assembly plant back in the mid 70s, we were on an
80 hour work week for three months. My kids forgot my name and my wife found someone else (although she sure loved that
40 hours of overtime paycheck). We worked from 3PM to 3:30AM M-Sat, and 3-11:30PM on Sunday. After they got the number
of vehicles they wanted in storage, they laid off everyone, some for up to two years. Not a good time in southeastern
Michigan.

But I digress. Keep us posted on your PC. The USB3 ports are only in the back, on the MB, aren't they? The front panel
ports are USB2 IIRC from glancing through the manual for your MB.
--
SC Tom

On Fri, 30 Dec 2011 07:22:06 -0500, "SC Tom" wrote:


"Allen Drake" wrote in message news
On Thu, 29 Dec 2011 19:10:45 -0500, "SC Tom" wrote:


"Allen Drake" wrote in message ...

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does that
include the case and all?

I did check the pin out and actually moved the cable to another
position on the board. I am getting a similar reaction by using the
rear ports but in that case the system simply locks up. I have a USB3
external drive attached which I will remove and try more debugging
later tonight.

I am not sure if this just started or not. I have several builds
going at one time and sometimes I lose focus. That and the 12 hour
days at my day job wears me down a bit.


Oh yeah, I remember those days all too well. When I worked at a Ford assembly plant back in the mid 70s, we were on an
80 hour work week for three months. My kids forgot my name and my wife found someone else (although she sure loved that
40 hours of overtime paycheck). We worked from 3PM to 3:30AM M-Sat, and 3-11:30PM on Sunday. After they got the number
of vehicles they wanted in storage, they laid off everyone, some for up to two years. Not a good time in southeastern
Michigan.

I love work so I will take the OT any time I can get it. I have been
in the work force since the 60s have done all shifts. I like the grave
yard myself but now am confined to 6 AM to 6PM and 8 hrs on Saturdays.
My last job I got one Sunday off a month. Defense industry and NASA
but that has been cut back somewhat too.


But I digress. Keep us posted on your PC. The USB3 ports are only in the back, on the MB, aren't they? The front panel
ports are USB2 IIRC from glancing through the manual for your MB.

Yes the USB 3 is on the back but the Antec Nine Hundred Two case has
a USB 3 and two USB 2 posts on the top front. I think I will get out
the multi meter now and see what I can find. I'll let you know what
happens.

Al.

"Allen Drake" wrote in message ...
On Fri, 30 Dec 2011 07:22:06 -0500, "SC Tom" wrote:


"Allen Drake" wrote in message news
On Thu, 29 Dec 2011 19:10:45 -0500, "SC Tom" wrote:


"Allen Drake" wrote in message ...

When I even get close to plugging anything into either of my front
panel USB ports the system crashes and reboots. When it boots this
time the report says there is no CPU present. I double checked to make
sure the cable is plugged in correctly and tried another set of pins
on motherboard, there are three, but the result is the same. I have
been searching and find others claiming a underpowered PSU is to blame
but I have a Termaltake 750 which is new. This is a newly build system
and has no other problems. I am using an M4A87TD/US3 board with AMD
Phenom and Supertalent RAM.

If anyone has any ideas I would appreciate the help.

Thanks.

Al.

It's possible you have a faulty PS. Do you by chance have a spare you could use temporarily? (I know, not exactly a
closet shelf item.) Is it possible that the pinout is different from the previous MB (had that happen to me going
from
one ASUS MB to another)? If you have the manual for your MB (or check it out online), you can compare them.

Is this a new problem, or did it manifest itself right after the build was completed? And by "newly build", does
that
include the case and all?

I did check the pin out and actually moved the cable to another
position on the board. I am getting a similar reaction by using the
rear ports but in that case the system simply locks up. I have a USB3
external drive attached which I will remove and try more debugging
later tonight.

I am not sure if this just started or not. I have several builds
going at one time and sometimes I lose focus. That and the 12 hour
days at my day job wears me down a bit.


Oh yeah, I remember those days all too well. When I worked at a Ford assembly plant back in the mid 70s, we were on an
80 hour work week for three months. My kids forgot my name and my wife found someone else (although she sure loved
that
40 hours of overtime paycheck). We worked from 3PM to 3:30AM M-Sat, and 3-11:30PM on Sunday. After they got the number
of vehicles they wanted in storage, they laid off everyone, some for up to two years. Not a good time in southeastern
Michigan.

I love work so I will take the OT any time I can get it. I have been
in the work force since the 60s have done all shifts. I like the grave
yard myself but now am confined to 6 AM to 6PM and 8 hrs on Saturdays.
My last job I got one Sunday off a month. Defense industry and NASA
but that has been cut back somewhat too.


But I digress. Keep us posted on your PC. The USB3 ports are only in the back, on the MB, aren't they? The front panel
ports are USB2 IIRC from glancing through the manual for your MB.

Yes the USB 3 is on the back but the Antec Nine Hundred Two case has
a USB 3 and two USB 2 posts on the top front. I think I will get out
the multi meter now and see what I can find. I'll let you know what
happens.


The 3 plug-ins for USB78, 1112, and 910 are allUSB2.0, if I'm reading the manual right. So if the 3.0 on the case is
plugged into any of them, that may be where your problem lies. I don't know if the pin-outs are different between USB2.0
and 3.0, but I wouldn't think so. There's no pin-out difference between 1.0 and 2.0, IIRC. (Just guessing here :-) )
--
SC Tom