Ethernet loopback error with a 12MHz IP6...
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Ethernet loopback error with a 12MHz IP6...
I'm trying to repair a mbd/gfx assembly from a 12MHz Personal IRIS (I suspect damaged during Customs handling), I had a replacement board I thought would be viable (just had to replace some damaged memory slots, which worked ok), but now it's giving an Ethernet loopback error which prevents the system from reaching the PROM:

http://www.sgidepot.co.uk/misc/P1160877s.jpg

Anyone know what would cause this and how to fix it? I've tried attaching an AUI/RJ45 adapter and a loopback cable but that had no effect. Strange thing is, the board didn't used to do this, so why it's starting moaning about it now is a mystery.

Although I was able to repair the visible damage to the original mbd, namely a wrecked SCSI connector socket (replaced with a new socket), that board is no longer able to detect SCSI devices so it has some other issue, maybe a severed track somewhere:

http://www.sgidepot.co.uk/misc/P1160730s.jpg

For reference, here's the system all working just fine before it was originally shipped:

http://www.sgidepot.co.uk/misc/P1160535s.jpg

Alternatively, if anyone has a fully working IP6 for sale then please let me know, gotta get this sorted asap (I posted in the hw WTD section).

Thanks!! Smile

Ian.
mapesdhs
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09-12-2019, 09:30 AM


Messages In This Thread
Ethernet loopback error with a 12MHz IP6... - by mapesdhs - 09-12-2019, 09:30 AM
RE: Ethernet loopback error with a 12MHz IP6... - by dexter1 - 09-12-2019, 09:44 AM
RE: Ethernet loopback error with a 12MHz IP6... - by mapesdhs - 09-12-2019, 11:36 AM
RE: Ethernet loopback error with a 12MHz IP6... - by weblacky - 09-13-2019, 03:05 AM
RE: Ethernet loopback error with a 12MHz IP6... - by jan-jaap - 09-13-2019, 07:04 AM
RE: Ethernet loopback error with a 12MHz IP6... - by mapesdhs - 09-13-2019, 09:52 AM

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