IDE-Fix Express - Possible Repair?

This thread is an off-shoot of fitzsteve's Sale thread - here

here is an overview of the device -

http://amiga.resource.cx/photos/phot...fixexpress.jpg

Quote:

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Originally Posted by Zetr0

Hiyas Steve-o

Do you know if the fault is mechanical(physical), software or firmware?

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Quote:

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Originally Posted by Zetr0

Hiyas Steve-o

Do you know if the fault is mechanical(physical), software or firmware?

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Hey Mr Woo!

All I know my friend is that a HDD was plugged in the wrong way and the magic smoke was summoned :(

Now if you connect it to the Amiga with or without the express adapter there are some funny clours (messed up graphics) followed by a blank screen and no boot, not even a KS screen.

Steve.

ahh... that will be the classic physical firmware wiping - aka +x volts up the wrong line.

I am afraid its only real probable use now (unless you replace the logic on the card) would be for spares.

tell you what, since I am a thorough type of chap - can you take a couple of scans (back and front) of the adapter - perhaps opening a new thread in the AmiOracle section?

I have just had a close look at the PCB, it might be salvageable my friend, that is to say there is a very slim chance the CPLD withstood the shock - since there are 2x 74LS254 latching chips that would be in the way before the CPLD with the power sent down pin 4 (Data 8 ) of the IDE bus.

It possible one of these blew first and inadvertently protected the CPLD.

The good news these SMD based 74LS254 are cheap and common - it might be worth the effort =)

Quote:

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Originally Posted by Zetr0

ahh... that will be the classic physical firmware wiping - aka +x volts up the wrong line.

I am afraid its only real probable use now (unless you replace the logic on the card) would be for spares.

tell you what, since I am a thorough type of chap - can you take a couple of scans (back and front) of the adapter - perhaps opening a new thread in the AmiOracle section?

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Hey mate,

Will do that when I get home, there is a plate of some type glued to the bottom though, not sure I can remove it but will try.

Maybe you could split out these posts and create the topic in AmiOracle being the awesome mod type fella you are?

Cheers!

Steve.

okies - sounds the better way - now splitting =)


brb gotta split *heheh*


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back =)

Quote:

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Originally Posted by Zetr0

okies - sounds the better way - now splitting =)


brb gotta split *heheh*

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Thanks again my friend, I'm in debt to you so much now! :bowdown:

ps. linky dinky is post #1 is broken...

lol all sorted now fitzy =)

Hi Mate!

Got the scanner going but the image is awful, it puts the IDE pins in focus and the PCB is blured :Doh:

So I took this photo, probably not clear enough though:

Very interesting indeed my friend.

I think you may of gotten lucky... I may have a couple of spare 74LS245's to replace the two on that PCB.... with hot air it wont take 20 minutes when you pop on over. we can then test it here.

@Zetr0

Hi my friend.

I very much appreciate if you can help Steve. :bowdown:

I send this IDEfix Express pack to Steve as damaged one, because I put one of the IDE cables on the wrong direction...:oops: and smokes a bit..... Only one minute.... but the splitter unit don't work anymore. :oops:

Is a good complement for desktop Amigas and hard to find now....

All the best