ICP Electronics ROCKY - 058HV, Руководство пользователя

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2.3 System Memory DRAM (DIMM1)
There is one 168-pin DIMM socket to accept 3.3V non-buffered
SDRAM. The max. Memory size is 128MB.
2.4 Watch-Dog Timer (JP3)
The Watch-Dog Timer is enabled by reading port 443H. It should
be triggered before the time-out period ends, otherwise it will
assume the program operation is abnormal and will issue a reset
signal to start again, or activate NMI to CPU. The Watch-Dog
Timer is disable by reading port 843H.
•
JP3 : Watch-Dog Active Type Setting
JP3 DESCRIPTION
2-3 RESET WHEN WDT TIME-OUT
1-2 ACTIVATE NMI TO CPU WHEN WDT TIME-
OUT
OPEN
DISABLE WDT
2.5 DiskOnChip™ Flash Disk
The DiskOnChip™ Flash Disk Chip(DOC) is produced by M-
Systems. Because the DOC is 100% compatible to hard disk and
DOS. Customer don‘t need any extra software utility. It is just
“plug and play”, easy and reliable. Right now the DOC is available
from 2MB to 144MB.
The MD-2200-Xmb series DOC will share
only 8KB memory address.