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Author Topic: Can anyone explain this transistor hack on an A500 rev5.2 ?  (Read 1491 times)

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Offline da9000Topic starter

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Can anyone explain this transistor hack on an A500 rev5.2 ?
« on: March 10, 2006, 01:21:35 PM »
I've got a snap of the area of the hack here:

http://beta.zooomr.com/photos/adonis/15181

Title says it all: what's it do?

Also, should I apply this fix to other A500 motherboards (how about non rev5 ?)  And another quickie: how can you tell a rev5.1 from a rev5.2 from a rev5.3 ?

thanks
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Offline Zac67

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Re: Can anyone explain this transistor hack on an A500 rev5.2 ?
« Reply #1 on: March 10, 2006, 08:38:30 PM »
Hmm, a quick guess would be a VSYNC booster to make Ami work with a monitor that puts too much load on the signal.
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Offline da9000Topic starter

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Re: Can anyone explain this transistor hack on an A500 rev5.2 ?
« Reply #2 on: March 25, 2006, 11:50:46 AM »
Thanks Zac!

So I guess it's not needed on all A500s, right?
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Offline Zac67

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Re: Can anyone explain this transistor hack on an A500 rev5.2 ?
« Reply #3 on: March 25, 2006, 02:14:34 PM »
Probably not.
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