Boser HS-5010, Manual

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2.5 System Memory DRAM
（
EDO RAM supported
）
There are four 72pin SIMM sockets to accept 1MB, 2MB, 4MB, 8MB,
16MB, or 32MB memory modules.
The total capacity of on board memory are between 2MB to 128MB.
The HS-5010 requires at least 2pcs of the RAM modules on SIMM sockets
SM1/SM2 or SM3/SM4 or 1pcs SDRAM module.
2.6 Watch-Dog Timer
The Watch-Dog Timer is enabled by reading the port 443H. It should be
triggered before the time-out period ends; otherwise, it will assume that the
program operation is abnormal and will either issue a reset signal to start
again or activate a NMI to the CPU. The Watch-Dog Timer is disabled by
reading the port 043H.
JP23 determines the Watch-Dog Timer function. It can disable the
Watch-Dog Timer or connect the Watch-Dog Timer to the reset trigger or
NMI trigger.
??
JP23
：
Watch-Dog Active Type Setting
JP23 Description
*1-2 System Reset
2-3 Active NMI
Open Disable Watch-Dog Timer
（
*
）：
default setting
??
JP19
：
WDT Time-Out Period
Period 1-2 3-4 5-6 7-8
*1 sec Open Open Close Open
2 sec Open Open Close Close
10 sec Open Close Open Open
20 sec Open Close Open Close
110 sec Close Open Open Open
220 sec Close Open Open Close
（
*
）：
default setting