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TaPaKaH

Help wanted: fixing a Rampage Extreme

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Posted (edited)

I checked after I posted. :) It was VTT and I soldered it to one of the other VTT pins, but no change in the behaviour.

Edit: it seems D4 postcode is dead ram.

Edited by Noxinite

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I get D5 with faulty memory. Maybe board A does not like your memory or the RAM slot(s) is/are dead.

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42 minutes ago, TaPaKaH said:

I get D5 with faulty memory. Maybe board A does not like your memory or the RAM slot(s) is/are dead.

😮I got D5,13 and then full POST on all working boards. I tested dead mems in working board and got D4 or lots of postcodes switching fast.

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I also have a dead rex and need to replace the cap on the back of the board. So from my understanding the five bumps on either side are positive and the rest is ground? Is it better to just bypass the cap altogether or should I add some with wires?rex.jpg.66ec6b008ecc749ed70b0d74498f48a1.jpg

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I don't remember exactly - better check with multimeter - but side bumps are positive and center is ground. I would use tantals to replace this fujitsu cap - long wires will dramatically worsen the esr and make the replacement with long wires senseless.

 

20190921_104921.jpg

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yep, tantals are the best option to replace the fujitsu crap :) i like to use https://eu.mouser.com/ProductDetail/KEMET/T530X477M006ATE004?qs=r%2B%2FF0HTKyUcLhCoNF%2Bv0HQ== for memory and https://eu.mouser.com/ProductDetail/Panasonic/EEF-GX0E471R?qs=%2Fha2pyFadui%2FODXTv%2Fc0aeZAwW96RiBqHHpNWPFtmnCIPAqDWGVwrQ%3D%3D for cpu and nb because they are not so tall. if you are doing it right, it will look like this

:JPEG_20190512_222525.thumb.jpg.cbfe405a5426935da7b4813185df27cb.jpg

Edited by Gigelz

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I sincerely hope that the entire design team of ASUS X48 boards catches a disease unknown to medicine and dies a slow and painful death in a country where euthanasia is illegal. Had two X48 boards in storage, one RE and one P5E3prem. Bought a CPU I wanted to test. Both boards show code 00 and don't POST with any CPU I try ...

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Posted (edited)
16 minutes ago, TaPaKaH said:

I sincerely hope that the entire design team of ASUS X48 boards catches a disease unknown to medicine and dies a slow and painful death in a country where euthanasia is illegal. Had two X48 boards in storage, one RE and one P5E3prem. Bought a CPU I wanted to test. Both boards show code 00 and don't POST with any CPU I try ...

We should build the rampage impact... the repaired board that i bought from you had also issues with 00 postcode during a session last weekend :(

Edited by Gigelz

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Got a board here that hangs on 37 or VGA Initialization on the ROG poster. Am I right in thinking that the PCI-E was handled by the SB on these boards and hence that's probably my problem em area. 

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34 minutes ago, ObscureParadox said:

Got a board here that hangs on 37 or VGA Initialization on the ROG poster. Am I right in thinking that the PCI-E was handled by the SB on these boards and hence that's probably my problem em area. 

No, as far as I know the PCIe for graphics cards was provided by the NB / X48 chipset, not the ICH / SB.

German Wikipedia confirms that.

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1 hour ago, ObscureParadox said:

Got a board here that hangs on 37 or VGA Initialization on the ROG poster. Am I right in thinking that the PCI-E was handled by the SB on these boards and hence that's probably my problem em area. 

Try different vga's :)@Eisbaer798 and me had that problem few weeks ago and end up with the fact that some asus x48 boards doesn't like every vga card...

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Thanks for the replies guys, really appreciate it. 

@Gigelz unfortunately I tried that and no luck, even tried a PCI card too and that didn't work.

@ground1556 could you send me that datasheet dude? Would definitely come in useful in the future :)

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A16 is reset pin but pcie lanes come from x48

Edit: PCI Express Receive Differential Pair

Edited by TerraRaptor

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15 minutes ago, TerraRaptor said:

A16 is reset pin but pcie lanes come from x48

yeah just picked a random one from all the lines going to the x48, didn't pay much attention what it specifically was. But the datalines go to the x48 too like they should.

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