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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > Mac Quadra 950 ADB port/mainboard dead? Any hints to solve this?

Mac Quadra 950 ADB port/mainboard dead? Any hints to solve this?
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euphras
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Join Date: May 2002
Location: Germany, 51°51´51" N, 9°05´41" E
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Mar 14, 2005, 06:56 AM
 
I recntly started to reanimate an old Quadra 950. The problem: The machine boots just fine under OS 7.5 (startup chime, welcome screen, desktop), but mouse pointer freezes and also keyboard commands do not work (known good keyboard, mouse and system harddisk). So i�m guessing the ADB port is toasted. Is there a chance to connect the ADB keyboard via some kind of serial-ADB adaptor or via NUBUS cards bearing additional ADB ports?
What also makes me wonder is that this monstrosity steadfast refuses to boot from known-good system floppy or CD, even when ALL harddisks are disconnected.

Any tips to solve the situation?
( Last edited by euphras; Mar 14, 2005 at 09:37 AM. )


Macintosh Quadra 950, Centris 610, Powermac 6100, iBook dual USB, Powerbook 667 DVI, Powerbook 867 DVI, MacBook Pro early 2011
     
   
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