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echo: cis.os9.6809.coco
to: Paul Hanke 73467,403 (X)
from: Kevin Darling (UG Pres) 76703,4227
date: 1990-09-27 21:11:37
subject: #Rdisk

#: 7039 S10/OS9/6809 (CoCo)
    27-Sep-90  21:11:37
Sb: #Rdisk
Fm: Kevin Darling (UG Pres) 76703,4227
To: Paul Hanke 73467,403 (X)

Paul - you'll have to add /d2 to your bootfile.  That would require using
config or os9gen.  How many disk drives do you have?  It'll be pretty easy with
two.  Let us know.

Loading in system modules (device descriptors, drivers) after boot is a bad
idea on the coco because it allocates "blocks" of memory 8K at a time. So even
loading one little 50-byte descriptor consumes over 8000 bytes in the system's
64K map.  This lowers the number of processes and windows that you can have
going at one time, and can also easily prevent programs like GShell from being
able to look at the modules it wants to.

Ummm. This gets a little complicated, but if you simply place all devices you
intend to use in your bootfile, you'll avoid many strange things .
 best - kev

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