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1992-03-02
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CD-SHARE COMPATIBILITY LIST
This is a list of problems with which users have experienced problems
with CD-SHARE and the solutions to those problems plus some of our
recommendations. We have taken this approach as we have found very few
CDROM application programs to be incompatible with CD-SHARE - it is
therefore simpler to list this with problems.
1. BAKER & TAYLOR Books / Dataware - July 1991
Notes as at Feb 2, 1992.
Section : DEVELOPMENT COLLECTION TOOLS from main menu.
A: When starting, the software will attempt to scan all CDROM
drives attached to the CDROM device driver (in our case
CDWORK.SYS (whatever you name it). If you use MSCDEX and CDR has
been started with multiple drive units you will get "CDR101
Drive not ready" errors from and logical CDWORK drive unit not
connected to a CDROM on a server - it is therefore advisable to
have all logical drives redirected to a CDServer drive, even if
they are all redirected to the same physical drive. It is not
known if the software will hang under these conditions if MSCDEX
is not used (our copy doesn't hang).
B: If MSCDEX is not used and any CDROM errors occur the CDROM
software will typically hang with no error messages and no means
of recovery except re-booting. If MSCDEX is used (and BTLINK.CFG
is set to use the MSCDEX drive(s)) you will get error messages
and an opportunity to recover the error - at worst quitting back
to DOS. An example of this would be an attempt to access a CDROM
drive with it's CDROM ejected, or accessing a CDROM with a bad
sector.
C: While the software will run with greater then about 320K of
XMS/EMS memory it will typically hang unrecoverably during
searches and displays if less than about 400K of XMS/EMS was
available, we recommend 450-500K to be safe. If there is
insufficient XMS (>300K) to start the DEVELOPMENT COLLECTION
TOOLS software - it will simply return to the main menu with no
error messages. Under certain error conditions (only recoverable
when using MSCDEX) the allocated XMS memory will NOT be released
when exiting the BT software therefore making it impossible to
re-run the CDROM search software without re-booting the PC.
D: While the software authors strongly recommend NOT using MSCDEX
for performance, we have determined that using MSCDEX the CDROM
software almost ALWAYS runs faster (in some cases five times
faster) and using MSCDEX is the only way to avoid the software
hanging the machine if CDROM errors occur.