Compact-Flash Disk; Application Size Considerations - Symbol PDT 7200 Series Product Reference Manual

PDT 7200 Series Product Reference Guide
The on-board flash segments are grouped into areas. Typically, all segments in an area are
erased and updated together. The supported areas are IPL, BIOS, and Flash disk
partitions.
Each partition can be updated without effecting any other partition. In calculating flash
requirements, remember that code such as DOS, and applications, can only be stored in
flash. Applications and operating systems cannot execute out of flash; instead, they load
from flash into RAM where they execute.

Compact-Flash Disk

You can use a compact-flash disk to further expand your storage space. There are a variety
of memory configurations available in compact-flash disks. Contact your Symbol
Representative for more information.

Application Size Considerations

DOS applications often include an entire support infrastructure (aside from DOS and BIOS
calls, and various APIs supplied by TSRs). The need to include graphics support code
within DOS applications results in large, sophisticated, graphical DOS programs. This often
5-4
IPL
Partition Table
Reserved
Setup
Disk
BIOS
Disk
Figure 5-1. Flash Memory Allocations
16K
8K
40K
64K
896K or 2944K
128K
896K