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| Author |
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Hank
Guest
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 Posted: Fri May 18, 2007 2:09 am Post subject: s2696 question |
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hi,
I'm trying to connect the j7 front panel header but I can't tell on the
motherboard which side is pin 1 or which is pin 30
If it says it on the motherboard it must be microscopic because I can't see
it
thanks |
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Paul
Guest
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| Posted: Fri May 18, 2007 9:07 am Post subject: Re: s2696 question |
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Hank wrote:
| Quote: | hi,
I'm trying to connect the j7 front panel header but I can't tell on the
motherboard which side is pin 1 or which is pin 30
If it says it on the motherboard it must be microscopic because I can't see
it
thanks
|
Maybe you cannot see it in the paper manual, but if you download the PDF
version, J7 has a small square printed on pin 1. The diagram uses triangles
to mark some pin 1's and J7 has a square on it.
The pin 1 side is:
- next to the main power connector
- furthest from the edge of the PCB.
+----------------------+ x x x x x x x x x x x x x x x
| 24 pin main power | x x x x x x x x x x x x x x x
+----------------------+ ^
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Pin 1
Verify with the manual to be sure.
Hint: The word "key" means "missing pin". Check the "missing pin"
pattern and compare to the J7 pinout in the manual. That should
make it much more obvious.
HTH,
Paul |
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Hank
Guest
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| Posted: Sat May 19, 2007 2:53 pm Post subject: Re: s2696 question |
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Thanks for the help. I did find it in the manual, looking at the diagram
there was a tiny little square in the corner. That along with figuring out
that Key means no pin I was able to deduct which pin was zero.
Thanks
"Paul" <nospam@needed.com> wrote in message news:f2j8om$5ee$1@aioe.org...
| Quote: | Hank wrote:
hi,
I'm trying to connect the j7 front panel header but I can't tell on the
motherboard which side is pin 1 or which is pin 30
If it says it on the motherboard it must be microscopic because I can't
see it
thanks
Maybe you cannot see it in the paper manual, but if you download the PDF
version, J7 has a small square printed on pin 1. The diagram uses
triangles
to mark some pin 1's and J7 has a square on it.
The pin 1 side is:
- next to the main power connector
- furthest from the edge of the PCB.
+----------------------+ x x x x x x x x x x x x x x x
| 24 pin main power | x x x x x x x x x x x x x x x
+----------------------+ ^
|
|
Pin 1
Verify with the manual to be sure.
Hint: The word "key" means "missing pin". Check the "missing pin"
pattern and compare to the J7 pinout in the manual. That should
make it much more obvious.
HTH,
Paul |
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