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| Author | Disabling startup memory test (Read 41673 times) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Syntho
64 MB  Posts: 103 System 7 Newcomer! 
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on: January 11, 2022, 10:19
I have a 7.x version of the memory control panel. It doesn't have the option to disable the startup memory test like later versions have. How can I disable it? Or can I just replace that control panel with some newer version and have that work? |
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cballero
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1024 MB Posts: 1176 System 7, today and forever
Reply #1 on: January 12, 2022, 01:01
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It's been quite a while since I fiddled with the memory control panel controls so I'm really rusty but I know in some versions of this CDEV I seem to recall that you could hold the control and option keys down when you open the control panel to reach the disable the memory startup test switch? You could also see if using a newer control panel might work as well  My questions on your Mac would be: - which System version are you using? - how much RAM do you have installed? - how long does your boot-up take with the control panel? - how much faster does it take to boot with it not running? - did you start noticing a slow boot after installing your RAM? And if the boot times are very similar, then how fast does it boot up w/extension off? (Just in case there is something else making your boot-up take longer than it should.) My last question is if there's a slim chance the RAM is the one causing the slow boot by itself, although I doubt that would be a probable suspect tbh.
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Syntho
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64 MB Posts: 103 System 7 Newcomer!
Reply #2 on: January 12, 2022, 02:35
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I have 768MB of ram, which definitely slows it down. I have to wait an additional 2 minutes for it to boot up. I also remember the command+option keys when starting the memory control panel, but that was for OS8-OS9. I'm running 7.6.1. I can try switching the memory control panels, just hope it won't mess anything up.
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wove
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1024 MB Posts: 1363
Reply #3 on: January 12, 2022, 03:11
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If you try a newer Memory Control Panel and it does not work as you and if worse yet it freeze your Mac, you can restart with the shift key held down to disable all the startup items. Then repair the damage. And by all means please let everyone know how it goes.
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Syntho
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64 MB Posts: 103 System 7 Newcomer!
Reply #4 on: January 12, 2022, 07:26
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I tried the OS8.6 memory panel and it crashes my system.
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Bolkonskij
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Administrator 1024 MB  Posts: 2023
Reply #5 on: January 12, 2022, 08:57
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Dang I saw a utility to disabling that one. If only I could remember where that was ... (I'll post here, if I do) That would be definitely something to add to the System 7 Today downloads ...
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Neal_SE30
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256 MB Posts: 401 System 7 Newcomer!
Reply #6 on: October 22, 2022, 12:25
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Did anyone come up with a solution to this? if not how easy is it to put on an upgraded control panel> Neal
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Knezzen
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Administrator 512 MB Posts: 608 Village idiot
Reply #7 on: October 24, 2022, 17:53
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Booting into Mac OS 8.6 or something via CD or something to disable it works just fine btw. But yeah, I remember a tool as well.
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Neal_SE30
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256 MB Posts: 401 System 7 Newcomer!
Reply #8 on: October 24, 2022, 22:13
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I’m on 7.5.5, it’s not a big issue though
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soundworks
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1 MB Posts: 1 System 7 Newcomer!
Reply #9 on: February 22, 2024, 07:18
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Resurrecting this thread! My Quadra 840AV takes a while (~49 sec to show video) to cold boot with 128MB RAM... I tried holding Option and Command like in OS9 but the Memory control panel isn't showing an option to disable Startup Memory Test... Curious if anyone has any other pointers? Extension manager says the install process to get to 7.6.1 has resulted in Memory Control Panel v 7.5.7
Last Edit: February 22, 2024, 07:31 by soundworks
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Knezzen
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Administrator 512 MB Posts: 608 Village idiot
Reply #10 on: February 22, 2024, 08:16
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The 68k and old world machines memory test is embedded in the ROM on those machines. The only way to get rid of it is to buy one of the modded rom chips floating around, like the Big Mess o' Wires Mac ROM-inator II. Not sure if that one works with the Quadra 840AV specifically through. http://www.bigmessowires.com/mac-rom-inator-ii/
Last Edit: February 22, 2024, 14:30 by Bolkonskij
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68040
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512 MB Posts: 950 68k - thy kingdom come, thy will be done !
Reply #11 on: February 22, 2024, 09:28
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How stable are those modded ROMs?
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Knezzen
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Administrator 512 MB Posts: 608 Village idiot
Reply #12 on: February 22, 2024, 11:12
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I had one in my SE/30 and it was fine. Not worse in terms of stability than the stock ROM from what I experienced.
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MTT
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256 MB Posts: 394 SSW7 Oldtimer
Reply #13 on: February 22, 2024, 12:39
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@Knezzen: Thanks for that bigmessowires link. You can use http to reach it too, if your browser is old, like mine  According to the site, the ROM-inator II supports the Macintosh SE/30, IIx, IIcx, IIci, IIfx, and IIsi. But no mention of '040 Macs I could see. If I had a SE/30 I'd be very tempted to purchase this ROM, and I'd be tempted to install it into any '030 Mac that had shipped with a so-called "dirty" ROM. My '040 Centris 660AV doesn't take too long to start up. It's not fast by any account, but not so long as to be annoying. My beige G3 OTOH, takes easily as long as what Syntho describes. But um, I'm not so fast in starting up, myself  [Edit] Ah, just glanced at the PDF manual for the ROM-inator II site: Quote from: bigmessowires: "The Mac ROM-inator II module is physically compatible with any Macintosh having a 64-pin ROM SIMM socket, except the Quadra 660AV and 880AV". [Edit] Meh, just noticed the 880AV typo it's a direct copy/paste from the PDF User's Guide (and not my typo)- should be 840AV, of course.
Last Edit: February 23, 2024, 12:44 by MTT
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cballero
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1024 MB Posts: 1176 System 7, today and forever
Reply #14 on: February 22, 2024, 12:53
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I don't think Syntho specified the Mac that needed RAM test disabling, but it sounds like a Q840 would need a different ROM mod (and possibly board, too?) I'm not too well versed on the hardware-side of things, but as far as the firmware (wait.. ROMs are firmware, right? ) the 840's programming is years off compared to the II-series the Mac ROM-inator II was designed for.. so again, it'd definitely need different programming 
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