[G4] G4 gone loco

[Doug McNutt]

At 12:37 -0600 12/31/08, Victor Jackson wrote:
Thanks for responding John. Yes, I am running my G4 Headless. I 
should have mentioned this before. I have not plugged it into a 
monitor lately, as I don't have one readily handy. I've tried running 
Disk Utility from two separate machines, a MacBook, (Disk Utility 
never comes out of the "Gathering disk information..." phase) and a 
PowerBook G4 (Disk is greyed out and I cannot select it).

There has always been a problem with headless G4's. There is a jumper 
required on the video connector that is required to basically say - 
no monitor here.  It's been talked about before. There's something 
about feeding back the horizontal synch and sensing it during the 
boot process.

An Apple-supplied video adapter from the three row 15 pin to the two 
row "Apple" version provides the jumper even if no monitor is 
connected.

I donno what versions were involved but My Sawtooth running OS 10.3.9 
definitely requires it.
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