A couple of months ago I purchased a Umax S900 225Mhz-604e/64mb/2gb  with System 8.5 
at Goodwill for a whopping five bucks.  
 I have several Macs and clones in various states that I tinker with but this beast 
seemed so elegant, so full of possibilities, that I just HAD to get to work on it.  
So...  Upgrading I  go: 

 Software was the 1st order of business.  I bumped it to 9.0 then downloaded the 9.1 
update (on another Mac, then transferred it to the Umax via Appletalk)  I do not have 
the weird NIC on an extended PCI card for that 1st slot.  Instead there is some 
strange NIC and serial/appletalk plug on a pinned riser card.   Anyone know what this 
thing is?  It plugs into a thing that looks like a IDE pin-out on a Socket 7 x86 
motherboard. It is only 10bT though...

Well that 2gb drive looked mighty lonely and small so... Added another 2gb SCSI drive 
I had laying around.  That was then setup  in Jaguar via Xpostfacto. So now 9.1 on one 
drive. 10.2 on the other.  Just in case, then I copied the 9.1 System folder to drive 
#2 (you must do this AFTER the OS X install on a 2gb drive due to size constraints of 
the OS X  install). 

 Now that I have a bootable in either operating system  2nd drive, I  reformatted the 
primary drive and cloned 2 to 1 via Carbon Copy Cloner.  Always pays to have a 
backup...

Hummm dismal video and I HATE spending money on something...so....look in the junk 
box... 
Hummm...What's this?  A PC Voodoo III card.  Fire up another box, find a floppy with a 
firmware flasher...  BINGO!  8mb "unsupported in OS X" video card.  Now will it 
actually WORK in OS X?  yes.  seems to..btw, I have it in slot #3.  cards cards..    
All these slots...need cards.  Slot #4 added a USB 1.1,  slot #5 a Firewire (this was 
a left over Firewire card from a AV package at a local store.  returned opened and 
sold cheap;  Toss the PC software, kept the card.
 
Now for some SERIOUS upgrading:  I added a Sonnet 450Mhz G3. Next, memory. Dig in the 
EDO/FPM DIMM box... 2 128s, some 64s 32s, a 16...  FILL that puppy!  Total now: 500 
some odd.
btw..you CAN boot into 10.2 with only 64mbs of memory, but do NOT try starting 
Classic!  ;)

Ok what else we got?  A home made PowerDomain card (Aha-2940 from a server flashed 
with the Mac firmware) and a left-over 17gb drive from another project..  

Well it comes up (yes, don't try to boot from one, but for storage an older Adaptec 
AHA2940 WILL work in OS X) but by today's standards....it is blasted slow...

Room.. room I need elbow room!  Disk space.....

Well I worked a deal with a feller for a used ATA-133 Sonnet card.  NOW YER TALKIN!
put some spare older 20gb, and a couple of 6gb drives in.  Shoe-horned a drive where 
it should not ought go, but it works.  humm.  Added a spare extra fan from an old 
Power Tower Pro.  ohh yeah and one other mod:
The side  door on the Umax was bent.  I discovered it is  EXACTLY THE SAME as the side 
of a Dell PC tower.  One naked Dell later and it is back to beautiful!  ;)

Last minute tuck and trimmings:
Use the Sonnet OS X tune-up, also the PowerLogix L2 cache software to turn off the 512 
on motherboard so the CPU cards 1mb is recognized. 
Toss in a Farallon 100bT card for faster networking...  

Done for now.
One sweet G3 that is actually a bit faster then my late model Beige and with far more 
capabilities.

-Bart
Keeper of the Network from Heck.

  






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