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Apple Macintosh Portrait Display (M-0404)

The Apple Macintosh Portrait Display Monochrome Monitor (M-0404) is a 15-inch (diagonal) high-resolution monochrome monitor which displays one full page of text and graphics, including menus and scroll bars.

You can connect the Apple Portrait Monitor directly to a Performa 475 and a Macintosh II, IIx or IIci without a external video card (@ 2, 4, and 16 levels of gray) - and maybe more Mac models which I don´t know. Or you use a Macintosh II Portrait Display Video Card.

Read the infos in the Technical Notes from Apple.

Specifications and features:

Max Resolution: 640 x 870
Sync Type: Unknown
H Freq/ V Freq: 68.85 Khz / 75 Hz
Tube Manufacturer: greyscale
Monitor Type: Fixed Frequency

¥ 640-by-870 pixel resolution at 80 dots-per-inch provides sharp
displays and maintains screen integrity between image and printout
¥ Analog 1-,2-, or 4-bit pixel depth permits four shades of grey to
be displayed simultaneously at 2-pixel depth; and, when upgraded
with the Macintosh Video Card Expansion Kit, provides 16 levels of
grey shading at 4 bits per pixel
¥ 75 Hz screen refresh rate
¥ Flatter, antiglare screen
¥ 3 Apple Desktop Bus connectors allows direct keyboard, mouse and
other ADB device connection to the monitor.

Required equipment:

¥ a Macintosh II, IIx or IIci CPU, also Performa 475
¥ optional a Macintosh II Portrait Display Video Card (M0119)

To enhance gray scaling, the Macintosh II Video Card Expansion Kit (M0213) is available as an option.

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