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After more extensive testing at 45mhz today, I found that it is not quite stable. Most stuff works fine, but I did find after more extensive playing around with MIDI over serial, that OMS would report serial overruns on more complex files. Since I do use MIDI a lot on that machine, it's kind of...

Well guys, I have my results, and I'm going to confuse everyone possibly. My Quadra 800 has... the XC88916DW55. And yet, not only has it run happily at 44mhz... jessenator encouraged me to try some of the undocumented DIP switch settings on the MacClip and now the machine is running at 45mhz...

I have wondered where these "limits" came from as well, because my Quadra 800 has been running happily at 44mhz for 7 years now. This is being done with a MacClip Jr variable speed oscillator. I am using the 33mhz 68040 that was in the system when I got it (assuming it's the one from the...

Bad news.  I think it's dead now.  Whatever was done with the "hot glue fix" shouldn't have been messed with.  While clearing the regulator contacts to re-solder, a glob of the glue took one of the contacts and an SMD cap at position C36 with it.  I attempted to solder them back on, but I don't...

Well, I just found out what the hot glue was for!  The regulator was not even connected to the rest of the board-- it was GLUED in place to make contact!  I'm assuming it was some kind of repair job, but really poorly done.  I have no idea how this thing was working.  I'll have to take some...

Yeah, I don't have that adapter, but it'd be cool if I got a 7100/8100.  But check out the picture you posted... notice anything?  The VRM/heatsink is at a 90 degree angle to mine, and the heatsink fins have been bent out of the way.  Interesting!  I suppose that is a potential solution...

A while back I salvaged a Crescendo G3 Nubus 215-225/512k from a dead, rusted out Power Mac 8100.  This one of the earlier versions of the card so it is laid out a bit different than the later purple heatsink versions at higher speeds.  I was going to add it to my 6100/60av but it seems that the...

I did some investigating and reflowed some suspect pins but no good.  Still only boots from the button.  What's bothering me though is the fact that I can trigger the CUDA reset by simply probing the pins on the button-- just touching the pins on the sides cause it to reset and boot (not a...

I checked continuity across the board... So it seems the power switch flows through the CUDA reset button and something around there is controlling the soft power.  There's also good continuity from the soft power connector on the PSU to the CUDA button.  Probing the contacts around the button...

I was using that one (MacOS9Lives) but had similar issues with retail discs.  I even tried 9.1 and couldn't even get through an install without freezing. I'll have to check one of my systems installed from a normal disc, but I was pretty sure the CPU Plugins file was always there.

I actually forgot to report back.  I did find a solution to my stability problems.  I put up a thread on MacOS9Lives and we figured out that removing the Apple CPU Plugins file from System Folder:Extensions:Multiprocessing completely solved the stability problems.  I haven't had any issues...

I just tried that but it doesn't seem to work.  I wonder if something elsewhere in the system is keeping it "held" or something. Also, an aside, but I can't get the damn thing to boot any CDs whatsoever.  The internal drive should be bootable, but isn't, and external SCSI isn't doing the job...

I recently picked up a Motorola StarMax 4000/160 DT.  Seems to be in decent cosmetic shape, no obvious damage on the board, but it doesn't power up via the power button or the keyboard soft power.  Strangely it powers up immediately without pressing anything if plugged in after being unplugged...

Bumping this thread up a bit, but I think it makes sense to keep all this in one place. I wanted to report that I am having similar issues.  I picked up a Sawtooth the other day with a 1.2Ghz Encore ST installed.  It had Leopard on it which seemed totally stable, but I bought this thing for OS...

Update!  Getting a new adapter was, in fact, the solution.  I grabbed a Belkin one; the rotary dial on it looked intriguing: For the record, the multisync settings on it did not work, same as my MacPNP adapter.  Setting it to the 1024x768 option also did not work.  However setting it to...

The plot thickens... To clarify, I had gotten this working at 1152x882 on a rather old Eizo LCD with a max resolution of 1600x1200.  It seems to support syncing to oddball signals, as it's also the only LCD I have that can sync to my SparcStation (1152x900@67hz).  So anyway, as suggested I...

Hate to double post, but I can't edit the last post any more.  Just wanted to report that after PRAM zaps didn't work, I decided to go more extreme and pulled the PRAM battery overnight.  Unfortunately, it still thinks I have a Radius Two-Page with the same available resolutions.  Maybe it's the...

I have the docs.  I have tried those settings you listed as well as the "plug and play" option (1,2,6,8 ) which it says works under 7.6.1.  I have zapped the PRAM several times (was trying that when I first got it and couldn't get a picture on the 1024x768 monitor I planned to use).  I suppose...

The IIci I recently picked up has a Radius PrecisionColor 8-24X installed for a graphics card.  I am using a VGA adapter (Griffin MacPNP) as I no longer have any working Apple DB15 monitors.  With or without RadiusWare installed, I can only choose 1152x882, or 1056x807 (WTF?).  It believes I am...

Those Sparcs are a pain to get booting on CD.  I have a Sparcstation 10 and had the same errors... what it didn't like was the termination on my SCSI CD-ROM.  That would even kill the hard drive booting (same on my SGI Indy).  Unfortunately, no combination of external terminators or in-line ones...