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And Norton System Info 3.21: \

Speedometer 4.02 results are interesting:

<sheepish grin> After removing all the VRAM SIMMs and testing adding 2 of the 6 expansion SIMMs back at a time they all checked out. That's got to be the mechanical contacts, but the 10% performance drop remained ....and then I saw your post. <forehead smack>. Thanks @jeremywork! Running...

On my Centris 650, clearing the PRAM made no difference, neither did deleting the QuadControl System Preference file that I found in another thread as a suggestion. Back on the Q700 doing some baselines in Norton System Info tests before putting the FastCache back in and I’m suddenly getting...

I don't think I tried clearing the PRAM, will try that tonight. I do think it could just be a quirk of memory timings or something specific to the 25MHz Centris 650, the other Wombat's that apple shipped are 33MHz. And as mentioned above the 1993 product data sheet leaves out the Centris 650...

It just came up when I manually checked an eBay saved search I have for "Daystar Digital". It was listed as "daystar digital 105013-109 33 Mhz Card 01-FC040-001", BIN $35. Super lucky timing I suppose as I'm sure lots of people have similar saved searches/alerts set up. Other then the printed...

Working on MacBench and Norton System Info results next...

I was fortunate enough to pick up a Daystar PowerCache Quadra and have just started to dig into it. I've long wondered if L2 Cache would improve performance on 68040 machines as much as it does for 68040 and PPC ones. From the above linked archived data sheet: FastCache Quadra 128K Static RAM...

Looking to source an LED for my Quadra 700 (and Iici)'s hard disk drive activity light, something period appropriate. From above it sounds like it is supposed to be an amber color? I'm not sure what the secret googlesse is to find this type of LED either.... Right now I'm thinking this might...

Victory! :)

I was thinking check the connector but then you said you swapped CPU cards. ...did you also also visually check the connector PINs? its not too hard to bend the ones on CPU card side when inserting and removing the RAM cards. would be odd if you accidentally did it to both but in the realm of...

I'm not sure I'd want to alter my SE/30 this much and maybe a crazy idea but what about replacing the CRT with a modern 10? inch LCD and driving it with the 30Video VGA output? I guess that would be no different from the 30Video's prospective then driving an external VGA monitor? i.e. the...

Does this So cool...

DM me with your address and I can get the shipping cost for you. Not sure how to tell, maybe ask the seller via eBay?

I found a 64MB module that was only recognized as 32MB in my 4400 (in the dual banked slots). I thought I had at least one more but not finding any. Yours for shipping from VA, USA if you are interested. On eBay these look look like they should work and are a great price IMO...

How much RAM are you looking for? I think I might have a 16MB and/or 32MB stick leftover from when I upgraded the RAM in my 4400. It took me a good while to find two 64 MB DIMMs for mine on eBay at a price I was willing to pay.

I don't think RAM from a 7200 will work in a 4400: https://www.applerepairmanuals.com/the_manuals_are_in_here/Power_Macintosh_7200_Series.pdf 7200: 5- volt, 64-bit-wide, 168-pin fast-paged mode, 70 ns DIMMs. https://www.applerepairmanuals.com/the_manuals_are_in_here/Power_Macintosh_4400.pdf...

There are likely others but Apple Personal Diagnostics can do that: https://macintoshgarden.org/apps/apple-personal-diagnostics-111

It just came up when I manually checked an eBay saved search for "Daystar Digital", listed as "daystar digital 105013-109 33 Mhz Card 01-FC040-001". Super lucky timing I suppose as I'm sure lots of people have saved searches/alerts set up. Thanks for the tips/pointers!