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Found 19,189 posts across 1 forum.

Autobody Shop For Metal Powerbooks? — #4

Its the 17in model. As is, if you have it resting on a desk or your lap, you can't hardly tell that there is something wrong. But if you inspect the machine, yes it is damaged in i…
68kMLA Troubleshooting by Elfen Thu, 18 Sep 2014 - 19:55

Autobody Shop For Metal Powerbooks? — #3

Elfen said: He just received as a large screen Powerbook G4 from a friend who upgraded to an Intel MacBook Click to expand... Out of curiosity, when you say "Large Screen…
68kMLA Troubleshooting by Gorgonops Thu, 18 Sep 2014 - 17:11

Autobody Shop For Metal Powerbooks? — #2

Might be cheaper to get a dead one in nice cosmetic condition off eBay than to try and professionally hammer out all the dents.
68kMLA Troubleshooting by wilykat Thu, 18 Sep 2014 - 04:28

Autobody Shop For Metal Powerbooks? — #1

This is not Elfen posting but his youngest daughter, he's in the hospital for observation as it looks like its a bad allergy issue that is he undergoing. Details tomorrow when I ge…
68kMLA Troubleshooting by Elfen Thu, 18 Sep 2014 - 03:43

Replacement feet for Apple //e? — #4

No problem.  John from VintageMicros (http://www.vintagemicros.com/catalog/index.php) also sells small packs of appropriate feet - I can't find them on his site right now, but I kn…
68kMLA Troubleshooting by david__schmidt Wed, 17 Sep 2014 - 16:26

Replacement feet for Apple //e? — #2

You're looking for a 3M Bumpon part.  The main directory for such things: http://products3.3m.com/catalog/us/en001/manufacturing_industry/specialty_tapes/node_GSH0V016W0be/root_GS…
68kMLA Troubleshooting by david__schmidt Wed, 17 Sep 2014 - 14:29

Replacement feet for Apple //e? — #1

I managed to finally get myself an Apple //e, but it is missing three of the four feet. I did some googling and found some references to a Radio Shack item, but the website comes u…
68kMLA Troubleshooting by pintodave Wed, 17 Sep 2014 - 03:27

Wanted: Advice on performing 68040 upgrade for Q605 — #35

But then if i do this…. I will end up talking my self out of wanting a Quadra 840av. I want one ! Click to expand... Yeah,but then you'll have to see how over clocked you can …
68kMLA Troubleshooting by MinerAl Thu, 21 Mar 2013 - 01:54

Mac SE/30 SCSI problem — #23

I'd love a copy of your diagram if you still have it!
68kMLA Troubleshooting by Blinkenlightz Wed, 13 Mar 2013 - 15:10

Wanted: Advice on performing 68040 upgrade for Q605 — #33

from the link above: I changed MC88920 to MC88916DW80, and my LC475 is working at 42Mhz perfectly. Higher clock causes unuseable serial ports (Ummm---regrettable). Click …
68kMLA Troubleshooting by uniserver Tue, 12 Mar 2013 - 19:40

Wanted: Advice on performing 68040 upgrade for Q605 — #32

There's another simpler way to get to 40 MHz which used to be available from here:http://gabezing.sytes.net/LC475-40Mhz-E.html However, that site's been unavailable for a while an…
68kMLA Troubleshooting by tecneeq Tue, 12 Mar 2013 - 19:08

Mac SE/30 SCSI problem — #22

My SE/30 SCSi problem has been fixed!! The via connecting pin 25 of the SCSI chip to pin 9 of the SWIM chip was corroded by leaked capacitor fluids and was no longer conducting. …
68kMLA Troubleshooting by pbMacGeek17 Wed, 6 Jun 2012 - 09:15

Mac SE/30 SCSI problem — #21

TERMPWR checks out good (+5V) on both the internal and external SCSI connectors. I actually checked it at each of the inductors first and finally at the connectors themselves. I …
68kMLA Troubleshooting by pbMacGeek17 Tue, 22 May 2012 - 02:27

Mac SE/30 SCSI problem — #20

if you have no TERMPOWER, that means your fuse or inductor feeding the SCSI bus and/or IC is open circuit. Testing and replacement will bring the bus alive.
68kMLA Troubleshooting by techknight Sun, 20 May 2012 - 01:22

Mac SE/30 SCSI problem — #19

Z53C80 and NCR53C80 are the same part from different manufacturers. Often, one manufacturer will license the part from another. In some cases, they develop the part independently…
68kMLA Troubleshooting by trag Sat, 19 May 2012 - 19:49

Mac SE/30 SCSI problem — #18

techknight, If i did my research correctly, I should have seen +5V across pins 24 and 25 of the external DB25 connector if the SCSI bus were working correctly. Unfortunately, I me…
68kMLA Troubleshooting by pbMacGeek17 Sat, 19 May 2012 - 08:47

Mac SE/30 SCSI problem — #17

techknight, thanks for weighing in. Your videos were very helpful in getting me rolling, but I'm afraid I'm lacking background information to act on your current suggestion. What…
68kMLA Troubleshooting by pbMacGeek17 Sat, 19 May 2012 - 07:50

Mac SE/30 SCSI problem — #16

check to make sure you have termpower at the DB25 connector as well. if not, theres the issue.
68kMLA Troubleshooting by techknight Sat, 19 May 2012 - 03:54

Mac SE/30 SCSI problem — #15

ixnay on the ematicschay request. I just realized that zuiko21 gave me the logic board connections for the 53C80 in the link in his response. I thought it was a pix of his board …
68kMLA Troubleshooting by pbMacGeek17 Sat, 19 May 2012 - 03:49

Mac SE/30 SCSI problem — #14

Cool. The symptoms were very similar to my problem, but on your board, the software at least detected that something was out there. On mine, SCSIProbe just blinks "SCSI Bus Not T…
68kMLA Troubleshooting by pbMacGeek17 Sat, 19 May 2012 - 03:09

Mac SE/30 SCSI problem — #13

That was my board in the video. It would boot up to the question mark, but wouldn't recognize any SCSI devices whatsoever. He fixed the bad connection and it works great now.
68kMLA Troubleshooting by BGoins12 Sat, 19 May 2012 - 02:54

Mac SE/30 SCSI problem — #12

Gents, thanks for the quick update. Just got done watching about 4 of TheTechKnight's Youtube videos on resolving SE/30 problems to see if I could learn more. He also had a SCSi …
68kMLA Troubleshooting by pbMacGeek17 Sat, 19 May 2012 - 02:45

Mac SE/30 SCSI problem — #11

The link to the 53C80 datasheet has changed from to http://www.prismnet.com/~trag/DataSheet/Z53C80.pdf Basically, anywhere I ever used io.com, it is now prismnet.com. I wish I …
68kMLA Troubleshooting by trag Fri, 18 May 2012 - 23:10
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