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| Author | SonnetTech G4 400/1M for the 7200.... (Read 10083 times) | ||||||
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blackangel
16 MB  Posts: 22 
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on: October 31, 2010, 12:18
Hi there, I have had a recent battle trying to get a previously working Sonnettech upgrade card for my trusty 7200/90 working. - It initially was bought with the intent of getting 9.0.4 to go slightly faster on the 601 machine. It also however needed extra improvement such as faster CD and HD to be of notice. I really should have put the money in getting those instead of the crescendo card and 9.0.4 retail install. Anyways, I had recently sold my 9.0.4 and the 5x64mb DIMMS, realizing that I didn't need 9.0.4 as I already have a MDD running 9.2.2 for other personnal things. The 7200 is used primarily for simple 2D/3D cad running FormZ 2.4.x and StrataPro 2.5.3 as well as Illustrator and Office 98 and FileMakerPro/Server 4 for client database. It is situated in a fairly dusty Engineering environment as to why I have not chosen the G4 for the task. Getting back, I opted to go back to 7.5.5 seeing that the original OS was 7.5.2 and the SonnetTech was classified compatible with 7.5.3... I opted for 7.5.5 seeing it comes with better QT/QD3D extensions and other goodies such as running IE 5 and various others. Also, upgraded the system to 4 x 128MB DIMMS onboard, 3 x 128 DIMMS on the daughter card, using the latest Crescendo 1.1 Ver Driver which was meant to accept the larger memory addressing. Trust me the OWC memory which was purchased for $13 or so was impressive in 4 x 128 onboard. When I was running the system with the 64MB Dimms, at the time it couldn't handle more the 5x64MB, of which the larger amount of ram had to be on the daughter card... as to the 5 DIMM configuration. Anyways, now with the recent downgrade, I have lost the ability to start the machine with the card placed in a PCI slot... thats any PCI slot, without any other PCI card or external device attached, except keyboard, mouse and monitor. I keep on getting a Type 10 or type 11 error at startup, just after the last extension is loaded, though I doubt ~ATM is the cause of the problem. I know these are meant to be memory errors, but the specs on OWC states 60ns 128 DIMM 5V non EDO... suitable for the 7200 machines. (ONLY if they made 256 variants... 1GB would have been nice, especially running a zippy OS such as 7.5.5). I have tried all sorts of methods in trying to get this going. From placing the card in different PCI slots to rearranging the number and memory config between the card and the motherboard. I have even gone to the extent of removing each VRAM currently 4 on the motherboard out as well as the 1MB cache that was there, to no avail. This was so to make sure that neither the on board cache nor VRAM was the issue... though I doubt it would have been because it was working whilst the machine had the 5x64Mb config. I'm thinking it could be the refresh on the newer 128Mb sticks, though when confirming the specs with OWC they advised me that they are in fact 4K refresh not 8k... as the Crescendo card had problems with the 8K resfresh sticks. Would anyone here who has had this card come across this problem and resolved it.... I have had numerous communications with Sonnettech but nothing... thanks |
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wove
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1024 MB Posts: 1363
Reply #1 on: October 31, 2010, 14:12
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Seems a very sticky problem. I am not familiar with that upgrade card not with the PM 7200 in general. Since the error is memory related, I would continue looking at memory configurations. Perhaps try booting with no memory installed on the upgrade card or no memory on the mother board. Since all of the extensions have loaded before the error is reported one can assume the error occurs when the Finder is loading. Perhaps the default minimum and suggested memory for the 7.5.5 Finder is not sufficient. Finder Heap Fix talks about memory problems related to the Finder in Mac OS 7.5.5. bill
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