Mac
II High-Resolution Video Card
- BCGM0322
The Macintosh II High-Resolution Display Video
Card is the cost-reduced replacement for the previous
4- and 8-bit Macintosh II Video Card (M0211 and
M5640). This new card is sold in 4- and 8-bit
configurations (M0322 and M0324, respectively).
This new release is fully compatible with the
previous card when used with Apple's video drivers,
monitors, and cable. Applications that make direct
hardware calls may not work with the revised card.
Also, third-party video cables may need to be
changed. See the photo.
New Features
The following minor features were added to the
card. They should not have a major impact on the
typical use of these cards.
1. Monitor Type Detection
At startup, the High-Resolution Display Video
Card senses the monitor type by sensing a previously
unused signal line: pin 4 in the D-15 video connector
(Note: Some third-party cables may not be wired
correctly to support this detection scheme.)
2. New Driver Level Control of RS-170 RGB Video
The card supports two RGB interlaced video resolutions:
- 512 by 384 pixel (default mode) and
- 640 by 480 pixels
To select the higher resolution, the system needs
the new Monitor CDEV and Slot Manager supplied
with the 32-bit QuickDraw, plus the correct cable
configuration (see item 1). Selection is made
by choosing the monitor icon (highlighted borders)
connected to the Macintosh II High-Resolution
Video Card and clicking on the Options button.
A dialog box will appear with the options. In addition, the card only produces RGB interlaced
video in the 4- and 8-bit mode.
3. Enhanced Firmware
In addition to the scanning modes mentioned above,
the card supports uncorrected gamma, has an integrated
gamma directory, and implements a new set of driver
calls to support these new features.
Check
here the compatiblity of your system for this
card.
Mac
II High-Resolution Video Card
- BCGM0322
Die Mac II High-Resolution Video Card (NuBus,
256 Farben). Die Karte ist getestet und funktioniert.
Mehr (englische) technische Details.
- 512 x 384 pixel (default mode) und
- 640 x 480 pixel
Überprüfen
Sie die Kompatiblität mit Ihrem System hier.
Photos
Mac II High-Resolution Video card, no driver needed
- plug and play! BCGM0322
Slot informations - Mac
II High-Resolution Video Card |
