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Ok got a powermac G5, unknown to me its an LCS 2.5 that wont boot.  It has leaked onto the cpus, i cleaned them and am letting them it until i clean, replace o rings, and refill.    Should I even try or are once the cpus leaked on are they garbage?

So I got the Macintosh TV  and I am finding oddities that make this machine at its age and what it does super strange. First how it came.  Well packed no power on at all. Recapped logic board, No change, change button switch as was listed ages ago on an LC board.  Now in a 575 it boots...

I started up my backlit, which of course the motherboard was recapped.  Well I did not recap the inverter board as they were radials.  The screen flickered until the mouse button was pressed.  One thing I did not think should effect the other.  But I quickly took the screen case apart, pulled...

no other markings.

Putting an 040 card in the IIci and it wouldnt boot. no power at all, take the top again and a closer look, all the cans leaking, newly fresh leaking so waiting on caps in the mail.  Hopefully Ill get it going back quick.

Ok so I had a ugly basket case 1.5 ghz and a working 1.67 ghz powerbook.  Took over 2 years to get around to combining the 2.  Now other than 1 dent by the dvd drive and 2 keys not working, The screen is flawless , 2 gigs of ram, 10.4.11/classic and it will be my bridge mac.   It can share the...

This can go in either LC or Quadra as the 605 is exactly the same as the LC4XX motherboard.  Put in a full 040, moved 2 resistors to bump it to 33 mhz.  Put in 32 megs of ram for 36 total. Nice and speedy.

My original 638CD has been a great machine since 93 and been everywhere and back again.  I figured I would show it some love. First did the 40 mhz upgrade shown here.. http://lowendmac.com/2014/overclocking-the-mac-quadra-series/ Put in a real 40 mhz full fpu cpu with heat sink, put a heat...

OK so far for me all PCI-X motherbaord ram slots 2.0 ghz duals go bad.  Im shooting at 5 here and lots of beachballs in testing. To add insult to injury any video card that requires a fan seems to crap out. So far a 6600LE mac card, boot screen, video scream as driver loads from card then...

So I ended up getting best offer for 100 plus shipping for that accelerator off ebay.  Its good up to 1.8 and its a single but he said 1.6 was waaayyyy more stable and its what it came set at.  I just wanted over 1 ghz really and 1.6 will be great not needing a new VRM. Im installing OS9 as my...

So I got a hold of a few 280 motherboards from someone local, 1 powered on 2 didn't even after huge cleaning and recap, Have a 270 that has flaky video but will not fully boot after cleaning and recap.   Now here is the funny part.  I put the 270 in the dock and it boots fully.  So I guess the...

So a forum member gave me some projects and I went in hip deep. All the screens are good as tested on my 2300. Sound good and the like. So I got 3 280 motherboards. The one that would boot chime and spin up the hard drive I recapped (minus one 33uf) I need to go get) and no change in the...

Ok my age is showing, and I am more mechanically inclined then electrically inclined. I can read the values on the capacitors, which seem to be different than the one listed by others here on the site.  I am reaching out to the people here with more aptitude than I told make a virtual cart at...

So I got me a 660av CD and it wouldn't boot. So I stick in 7.5, it boots, 7.6 it boots. So I start from a 7.5 floppy and put in the cd thinking what the hay. I get it to install a full system for 660av and go to reboot. This Mac does not support this version of 7.1. Sometimes you just get...

So I have a few of these. It was my first new computer bought for us as a family group. So I'm sliding parts in and out maxing them out as best as I can, then I see a strange sight. Two ram slots instead of one. So that's cool. Silk screened for 1-16 mb on one slot and 1-32 mb on the other...

I looked and looked but other than the system software I can't seem to find what software was included with this machine. Anyone have a hive of knowledge they can help me find out?

Ok to start I had a 1.25 and a 1.67 set of PowerBooks. The 125 was kernel panic king with no obvious reason so I start pulling it apart to swap better pieces to the 1.67. I didn't expect to find what I did considering how hard I was on it while removing parts. When I pulled the hard drive the...

I know this card I have is for a 1400. Other than sticking it in a 1400 is there any other way to tell what speed it is. Google search returned not so informative results.

Omg ok FYI plus and up hate system 1 and / or 400k disks. My plus bombs with it, my color classic just reading and ejecting the same 400k disk shut the screen off. It is so strange and repeatable. Gonna pull out the 512 and 128 and see if it plays a little better.

Well I went through piles of 30 pin memory and got 2 matched sets of four to total 32 Meg's of ram! Had the stuff for a while now just went through it to get it all figured out. I wish we could make that radius card work for grey scale and I would be pretty happy with it. I definately need to...