for loading special DX functions. Depending on the size of the main RAM (512 or
768K bytes) and your state RAM configuration election, the memory partitions into
four different allocations.
When you configure the memory by selecting either 32 or 64k state RAM, the par-
titioned result allows Extended Memory for 6X register files. Your selection sets
configuration parameters for controller downloading.
Due
to the new memory arrangement, the 785L with the Extra Register excecutive
cartridge, you can not use the standard loadables designed for other dash-8 se-
ries controllers unless they are modified. Special versions for this controller are
identified by a “rev” byte in the header (following the name). For use in the 785L
this information must be rev OCO hex or higher.
Required Software Revisions
When used with the Extra Register excecutive cartridge, the PC-L984-785 Extra
Register Controller requires updates to the firmware in some of the options in the
984 family:
Table 1 Unit Upgrades
Unit
Status
Minumum
PROM
Combination
S908
Remote I/O
Upgraded Exec
#131
S985-800
Modbus Plus
C996
Coprocessor
Needs Update Software
S980-800 Map
Needs Update
-810
E785-914 Executive
1005
1006
1000
1001
1000
GM-L984-785 Chaoter 1
Introduction
3
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