PEx/PowerMac 9700 EVTA logic board observations.

Trash80toHP_Mini

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Haven't seen much of this information documented online. Marchintosh project was restarting my bare board PEx in Netrat 1125 4U TeleCom Server casement project. So took a careful look at its 9500 stand in/donor case bits and the specs for the 9600. This is what I found:

Technical observations:

Loving the lack of onboard video on the 9500 with that knockout to cover the port for it. Makes it just perfect for this Batch A EVTA PEx/PowerMac6700 ProtoBoard which lacks the onboard video subsystem components. :) Wondering if they'd intended to use that godforsaken 9500 crumblecase for the 9600 given that knockout? Didn't pan out as the beefier PSU required would have protruded an inch or two out the side. It all fit in the bare bones inner case of my 9500 testbed.

Gotta fab a "knockout" for the AAIU port opening though. They dropped AAUI from 9500/9600, going straight up RJ-45 only at long last!

Idiots at the Infinite Loopiness should also have dropped the long obsolete DA-15 video connector and gone straight up HD-15 VGA.
But noooooo! :rolleyes: Didn't do that for Beige G3 either. So it goes . . .

PEx FINALLY moved from Fast/Narrow secondary internal only SCSI bus to UltraSCSI, both inside and out! Connector's different and may need a tad more clearance for the cable retaining "earclip" on the side next to the defunct AAUI hole in my 9500 donor's backplane cover plate. Looking forward to seeing what a pair of my 2.5" Savio UltraSCSI server drives will sound like through the filter behind the grated drop-door front of the 4U Netrat case.

Don't recall ever reading about that SCSI upgrade anywhere online, just noticed it. Beige G3 moved to Fast/Wide SCSI via PCI Card, so UltraSCSI would be dependent upon card installed therin?

Two ATA Bus connectors is a nice touch.
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Has anyone seen any of this drivel posted anywhere on the web?
 
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