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Wanted: Advice on performing 68040 upgrade for Q605 — #19

You never know - companies are still buying them, so it's just a matter of time before some older product becomes "obsolete" and the chips work their way onto eBay. Or if a company…
68kMLA Troubleshooting by johnklos Sat, 6 Feb 2010 - 02:51

Wanted: Advice on performing 68040 upgrade for Q605 — #18

On the other hand, if you can get your hands on a Freescale made m68040 Click to expand... Yeah, like that's gonna happen. They are like $250-$300 each in bulk according to Fre…
68kMLA Troubleshooting by Quadraman Sat, 6 Feb 2010 - 01:26

Wanted: Advice on performing 68040 upgrade for Q605 — #17

Thanks. I did the MC88920/88916 swap, and pull pin 9 high (?) or something like that.http://homepage.mac.com/schrier/q605_40.html on one machine but could never get video. But…
68kMLA Troubleshooting by johnklos Fri, 5 Feb 2010 - 18:52

Wanted: Advice on performing 68040 upgrade for Q605 — #16

Would you still need a heat sink/fan if you were using an 040 that was actually rated for 40mhz? Click to expand... Yes. The 40 MHz part is made exactly the same as the 25 MHz …
68kMLA Troubleshooting by johnklos Fri, 5 Feb 2010 - 18:10

Wanted: Advice on performing 68040 upgrade for Q605 — #15

At first I swapped resistors to go to 33MHz and afterwards I installed 40MHz oscillator, as per instructions on Marc Schrier's page. http://homepage.mac.com/schrier/q605_40.html'&a…
68kMLA Troubleshooting by trag Fri, 5 Feb 2010 - 16:19

Mac 630CD needs zip drive — #14

Hey, thanks for your thoughts! Sorry to hear that!!! I haven't been able to use a zip long enough to have that happen yet! I've used one at work some and hope to finally get one…
68kMLA Peripherals by gamuman Fri, 5 Feb 2010 - 06:47

Wanted: Advice on performing 68040 upgrade for Q605 — #13

Hi trag, Yes, I've modified Q605, not LC475, althoug I've put a jumper on the MB after I went to 40 MHz, which changed its gestalt ID to LC475. At first I swapped resistors to go…
68kMLA Troubleshooting by ojfd Thu, 4 Feb 2010 - 21:51

Wanted: Advice on performing 68040 upgrade for Q605 — #12

nb: 40MHz is not always stable though. A heatsink/fan for the 040 would be a good idea. Click to expand... I can confirm it - at 40 MHz heatsink is a must and you should use a…
68kMLA Troubleshooting by trag Thu, 4 Feb 2010 - 16:28

Mac 630CD needs zip drive — #13

Heh, I used to have one 10 years ago, I loved it for that same reason. But then it got the silent click of death, causing me to become extremely anti-Zip, as some may remember from…
68kMLA Peripherals by LCGuy Thu, 4 Feb 2010 - 11:31

Mac 630CD needs zip drive — #12

I'm sorry to hear that!! I love the zip 250 drive because it is so easy to keep all my inventories on disks and update them anytime without the time and expense of burning another…
68kMLA Peripherals by gamuman Thu, 4 Feb 2010 - 07:30

Wanted: Advice on performing 68040 upgrade for Q605 — #11

If you can't find a socket with clips, you can get something like Arctic Silver thermal adhesive: http://www.newegg.com/Product/Product.aspx?Item=N82E16835100005&cm_re=arc…
68kMLA Troubleshooting by johnklos Wed, 3 Feb 2010 - 23:43

Wanted: Advice on performing 68040 upgrade for Q605 — #10

nb: 40MHz is not always stable though. A heatsink/fan for the 040 would be a good idea. Click to expand... I can confirm it - at 40 MHz heatsink is a must and you should use a…
68kMLA Troubleshooting by ojfd Wed, 3 Feb 2010 - 22:57

Mac 630CD needs zip drive — #11

It's a pity I didn't find this thread sooner. I dumped a bunch of Zip drives recently both SCSI and parallel models. I have an intense dislike for Zip drives and strip them out of …
68kMLA Peripherals by Quadraman Wed, 3 Feb 2010 - 19:59

Wanted: Advice on performing 68040 upgrade for Q605 — #9

Don't try to pry one side out completely before the others. You'll bend some pins. You need to work around the CPU and try to pry all sides up a little at a time until it comes loo…
68kMLA Troubleshooting by Quadraman Wed, 3 Feb 2010 - 15:49
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