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3/31/2026 and Marchintosh draws to a close at midnight. Made great progress on a long somnolent project, so I'll consider it a success!

I can get back to you on the vertical and horizontal offsets of SLOT_B from SLOT_A from Illustrator files. Now that I have two more PCI Slot Connectors I can hot glue to a cardboard prototype board, has anyone got a FatBack TAM to check for physical fitment if and when?

Oopsie, this knuckle dragger has already done it the the way any self-respecting Neanderthal hacker would do. 😑

Looks like the binary decoding may only apply Logic Board on SLOT_A in that case?

PM address for mailing. NoPro, hacksaw desoldering process will commence almost immediately. GRLF is in D.C. and I'm visiting for Easter. Do you need the 6360 w/cardboard prototype or do you have that or a 5x00 or even 6x00 for testing?

I'll be searching out and posting links to the many topics leading up to this point for (my) reference: PCB Development: TwinSlot Riser Project for TAM, 6360, 5x00 PowerMacs . . .

Woke up with my head as straight as it gets. Walk didn't do the reset trick. Did the illustration above without realizing that you'd probably have had all the info in thread already that you need for schematic development? Mechanical doodle has pinouts for most everything that isn't 1:1 from...

I think I've got it sorted out for the most part. Gotta re-check in the morning. Grayed out traces need to be re-done.

None of the pins on the earlier diagrams are correct. I'm in the process of - mirroring the connector so it looks like the component side. - rotating the pin numbers - rotating the signals so they match the proper pins - recreating baseline PCI pinout - color coding the thruholes Purple...

Gotta go walk a nature trail to reset fershimmeled brain! 🤪

Slot E1 - Tangential Post to get everything into one thread:

Nope, it's mirror imaged in some bits. 😑 Can you get component values from the Slot A schematic?

Yep, no capicitors involved, just the resistor. Using jumper wires attached to all the requisite points I got: Slot A = A1 Slot B = B1 Slot C = D1 Slot E = E1 - with signals jumpered from CSII Slot. This one's tangential, but I'll do a dedicated post here with the info/pic. TattleTech PCI...

Reassembled and fired up the AI8 (llustrator 8) workstation and looks like I totally borked my layouts. Habitually work from solder side view and all is messed up. Total Rework from component side needed. :oops:

Was that the great pixel robbery or did all the links die at a later date? Some of my old pic links pull up random images. :rolleyes:

HRMMM? There's a 6500 schematic out there somewhere? Can someone link it here? Could the resistance and capacitative values for Slot B read out from the logic board components for Slot A?

Fastest knuckle dragging Neanderthal method connector desoldering job to date! Previous connector removal was EuroDIN-120. Hacksaw beats Hot Air hands down! Less confusing illustration with outline of 6360/5x00 card in relation to TAM Riser outline. Intend to replace pic with mirrored image...

Will do. Pretty sure that's the case, but not buzzed. Been procrastinating about desoldering a board to check the traces. Sounds good. Setback from backplane? Gotta pull the contraption out to verify all the measurements. Everything is on a .1" DIP thruhole grid. Yep, electrically identical...

Resistor's value is from Apple's docs, those I can get from the book or find in one of my threads.. Little brown capacitor values, no clue. ISTR needing a special meter (ESR?) to measure capacitance or can I do that with a multi-meter? Haven't ordered PCI connectors yet, incoming parts are for...