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installed. However, when one or more hard disks are installed, they
are not available until the disk cache client is increased.
The amount of memory needed for the disk cache client is dependent
on the size of the disk, the number of disks, the number of subdirecto-
ries on each disk, and the amount of memory dedicated to caching.
As long as the disk cache is enabled and there is enough memory in
the disk cache, all disks are accessible. If insufficient memory is allo-
cated to the disk cache, some disks may be seen while others are
not.
The Disk Cache memory is also used when the Intellifont SIMM
option is installed in your printer. To have access to the fonts stored
on the Intellifont SIMM, Disk Cache must be set to a minimum of 48
KB. If your printer has 12 MB of RAM, you will need to change the
Disk Cache setting from 36 to 48 KB, (See the Memory section of
chapter 4, "Printer Configuration," for instructions on setting the Disk
Cache client). If your printer has more than 12 MB of RAM, the Disk
Cache setting will automatically be set to the required amount for the
Intellifont SIMM to operate properly.
The disk cache is a high speed temporary buffer for data going to and
from the hard disk. It can speed the printer in two ways:
n
Information such as frequently referenced fonts and logos may
still be in the cache and may not have to be pulled off a hard disk
each time they're needed.
n
Information being written to a hard disk can be held in the cache
temporarily until a more convenient time to be written to disk.
The recommended amount of memory for the disk cache client is as
follows:
n
20 KB internal usage
n
0.5 KB per MB of disk storage total for all disks
n
100 KB of memory dedicated to caching
For example, the recommended amount of memory for the disk
cache for a single 120 MB hard disk would be 180 KB, and for two
120 MB hard disks it would be 240 KB.
Additional Technical Information
Memory
5-17
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