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1994-02-22
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I think I've got the MDRIVE.SYS question solved: the CONFIG.SYS
line takes a parameter that sets the multiples of 64 Kbytes allocated
to the memory drive. The line
device = mdrive.sys 2
will allocate 128 Kbytes to the memory drive (some of which is used
for the boot sector and FAT). The limit appears to be 704 Kbytes,
set by parameter=11. Any higher number just gets adjusted downwards
to the maximum 704 Kb. Directory entries are allocated in units of
48, and I've not been able to find a parameter to adjust that (as
some RAMDRIVE drivers can). Also, sector size is always 512 bytes;
a figure of 128 bytes would be desirable, but again, I cannot find a
parameter to set sector size either.
If you enter the CONFIG.SYS lines
device = mdrive.sys 3
device = mdrive.sys 3
this will cause *two* memory drives to be set up with 192 Kbytes
apiece, with consecutive drive letters. I suppose several could
be set up in this fashion. I am very pleased to have found out
how to make use of v3.10b's memory driver!