Mac to HP Avocent KVM Issues

Question

Level 1

8 points

Mac to HP Avocent KVM Issues

I am having an issue with switching between my Mac and HP on my Cinema Display with a DVI KVM Switch. The only way to get the HP to appear on my cinema display is to connect it directly into the HP and then plug it into the KVM. If, however, I need to reset my HP then it will only display the DOS screen and when it goes to boot into XP I get black screen. The only way to get it back up and running is to plug the cinema display into HP and then back into the KVM. I am using a Avocent KVM and HP with DVI. Any ideas on what I can do to prevent having to replug everything?

G5 Tower, Mac OS X (10.5.4)

Posted on Aug 12, 2008 12:31 PM

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Answer 1

japamac

Level 7

24,400 points

Aug 12, 2008 10:16 PM in response to BDubs33

Hi-

Welcome to Discussions!

The Mac works fine?
Could be a driver issue in XP.
What Avocent product is it that you are using?

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Answer 2

BDubs33 Author

Level 1

8 points

Aug 13, 2008 11:59 AM in response to japamac

The Mac side of the KVM seems to work completely fine. The interesting thing is that after a reboot on the PC I can see the DOS loading screen up until the XP initizizes which is when it goes black.

I am using a Avocent Switchview DVI 2 Port

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Answer 3

japamac

Level 7

24,400 points

Aug 13, 2008 7:26 PM in response to BDubs33

Hi-

That seems to indicate a driver issue on the XP side.
Does the PC work with the ACD connected directly?
Are you using any drivers for the display in XP?
Are you using WinACD?

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Answer 4

BDubs33 Author

Level 1

8 points

Aug 15, 2008 10:35 AM in response to japamac

Hi,

Yes, the PC works with the ACD when it is plugged in directly.

I have not installed any drivers other then what comes with XP.

Do you think WinACD could solve the problem?

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Answer 5

japamac

Level 7

24,400 points

Aug 15, 2008 6:28 PM in response to BDubs33

Do you think WinACD could solve the problem?

Not sure. Might be worth a try, but....

Since the display works direct to the PC in XP, and the Mac works fine direct or through the KVM, this is an issue between XP and Avocent.

I would look for some drivers for the Avocent for XP.
Is Avocent support of any help?

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Answer 6

BDubs33 Author

Level 1

8 points

Aug 19, 2008 12:03 PM in response to japamac

Gave WinACD a try and still having the same issues. Even Updated the firmware on the Avocent.

I am going to look for a driver, but the Acovent support is lacking.

Starting to think that the switch itself is just not going to work with my set up. Who would have thought that is would be this difficult to set up a mac and pc on a cinema display?

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