PowerMac 8600 Needs New Monitor

I have an 8600 that needs a monitor. Exactly what type of adapter do I need to hookup a monitor (crt) to it?
Thanks

The signals involved:
Red intensity and its ground
Green intensity and its ground
Blue intensity and its ground
Horizontal Sync -- indicates start and end of one row of dots across the screen
Vertical Sync -- Indicates start and end of one screenful of rows of dots
... can only be transposed from the typical
"VGA-style" three-row 15 pin Male (with pins) connector on the cable-end to the
Apple "two-row" 15 pin Female (with holes) connector on the Mac Display Card
... in one way that will work.
The poorly-documented "feature" that will trip you up is that the Macs of that era expect a code on pins 4, 7, and 10 that tells the Mac what kind of display is attached. If no signals are asserted, grounded, or cross-connected with wires or diodes on those pins, the default of "No display attached" gives no picture.
You need an adapter specific to the broad class of displays you intend to connect. There are over 17 different legitimate codes for Mac displays, but frankly, most of them are for obsolete displays. The most common still used are for VGA Display (640 by 480 and Super VGA 640 by 800) and Multiple-Sync display (640 by 480 and 832 by 624 and 1024 by 768 and possibly 1152 by 870) switchable on the fly. And it needs to be specific to older Macs and have the pins and holes on the correct sides. There are other adapters for a different problem that have the pins and holes reversed.

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