TITLE
    Microsoft Windows: LaserWriter Compatibility
Article ID:
Created:
Modified: 		4136
8/21/89
3/4/90
TOPIC


    Is it true that Microsoft's "Windows" needs ROM 2.0 or greater present in the
    LaserWriter IINTX to function properly. Is there another issue here?

DISCUSSION

    The issue is not the version of the ROM but the version of PostScript
    residing in the ROMs. The original LaserWriters started with ROM version 1
    or PostScript version 23. The second ROM set for the original LaserWriters
    is known as ROM version 2 or PostScript version 38. The third ROM set is
    known ROM version 3 or PostScript version 47.

    The LaserWriter IINT and LaserWriter IINTX both use PostScript version 47.
    However, the ROMs in the LaserWriter IINT and LaserWriter IINTX have additions
    to the ROMs, which are in the original LaserWriters. The ROMs in the
    LaserWriter IINT and LaserWriter IINTX are considered ROM version 1.0 for
    the LaserWriter IINT and LaserWriter IINTX, although the PostScript version
    is 47.

    Microsoft Windows requires PostScript version 38. In the older
    LaserWriters, version 38 of PostScript was also known as version 2 of the
    ROM.

    The latest versions of Windows (Windows 2.11) and its PostScript driver
    (PostScript driver 3.1) do not suffer from this problem and will print to a
    LaserWriter II successfully.



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