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| Author | PMac 7300 and Radeon 7000 (Read 11884 times) | ||||||||||||||||||||||||||
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Flavum
2 MB  Posts: 3 
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on: August 19, 2008, 03:00
I thought I'd post my recent findings with my new-to-me PowerMac 7300/200 and the recommended ATI Radeon 7000 32mb graphics card. I'd had an urge recently to break out a few old games (Marathon, Pathways into Darkness, Prince of Persia, Hellcats, etc.), so I picked up a near-perfect 7300/200, loaded it up with 4mb of VRAM, 512mb of RAM and did a clean-install from my original 7.6.1 CD. I installed the System 7 ATI drivers that I downloaded from here and installed a new-old-stock Radeon 7000 32mb graphics card. However, there appears to be no way to override the 7300's built-in graphics and boot with the Radeon card. I get a total freeze and an error message that's illegible (halfway off my Sony 21" screen) and I'm forced to "pull the plug" on the Mac to restart. I tested the card in my G4 Gigabit Ethernet Mac with OS 9.2.1 and it works fine, so I know the card's OK. Is there a trick to using the card with a Mac that has built-in graphics other than to use it on a second monitor? I'd appreciate any advice that can be offered. Thanks - Tom |
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wove
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1024 MB Posts: 1363
Reply #1 on: August 19, 2008, 03:29
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I have had similar problems. It is often a bit tricky to get a system with on board video to see a new monitor. Did you press the reset set button on the MB after installing the new video card? You might also need to zap the PRAM which holds information on the video. It might want to be using the on board video. It also might be worthwhile to recheck and make sure all the cards, memory etc are well seated and nothing was either not seated correctly or was knocked loose. You might wish to also try starting from and OS 9 CD which would have an ATI driver on it. The system on an installer CD is often better at looking for new hardware than the system on the hard drive. The trick is to get the system to see the new card and use it, once you have done that once, it should not cause you any more troubles. bill
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Flavum
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2 MB Posts: 3
Reply #2 on: August 20, 2008, 05:21
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Thanks for the tips. I hit the reset switch (and unplugged the power supply) when I installed a fresh battery in order to get the date/time reset and saved. That's the procedure that Apple recommends in their tech manual. I'll try your suggestions in the next day or two and let you know what happens. I realize that the 7000 will be complete overkill for the apps I'm running, but it's so inexpensive to totally max-out an old Mac that I couldn't resist. I want to find a source for a larger L2 cache chip next (256kb is standard, but 1mb is the max).
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Flavum
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2 MB Posts: 3
Reply #3 on: August 21, 2008, 21:36
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Well, whatever I did, it worked! I hit the reset (CUDA) button and rebooted. I had previously removed all the ATI files from the Extensions folder, but my Mac located and booted from the ATI card anyway. I'm hesitant to reinstall the System 7 ATI drivers again for fear it will screw something up, but once I get Conflict Catcher installed, it will be easier to manage my startup set. I'll give them a try at that point. Thanks for the assistance - it's greatly appreciated! Tom
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dpaanlka
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1024 MB Posts: 1646
Reply #4 on: August 22, 2008, 17:36
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So now your card has no drivers at all? If so then there is no acceleration, 2D or 3D.
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defor
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16 MB Posts: 29
Reply #5 on: October 12, 2008, 21:53
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I found that removing all vram simms on the 7300 seems to make it ignore onboard altogether
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dpaanlka
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1024 MB Posts: 1646
Reply #6 on: October 13, 2008, 03:43
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Yeah, that's similar to the configuration I had on my 8200 with a Radeon 7000.
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