IEI Technology NOVA-300, Руководство пользователя

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12
operation mode.
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JP31 : Clear CMOS Setup (Reserve Function)
JP31 DESCRIPTION
2-3 Normal Operation
3-4
Clear CMOS Setup
2.7 Serial Port3(CN1) RS232/422/485 Setting
The Serial Port3 can be set in RS232 or RS422/ RS485
interface
by the Jumper JP20/JP23. If choose RS422/485 then will need
the JP21 to set again for RS422 or RS485.
•
JP23 : COM3 RS-232 or RS-422/485 setting
Description JP23 JP20
RS-232 1-9 close
3-10 close
5-11 close
7-12 close 2-3
RS-422
or
RS-485 1-2 close
3-4 close
5-6 close
7-8 close 1-2
•
JP21 : COM3 RS-422 or RS-485 setting
JP21 DESCRIPTION
2-3 RS-422
1-2 RS-485
2.8 BIOS Flash Chip Vpp Setting
There have two type of Flash chip are possible to be
installed,one is 5V Vpp and another one is 12V Vpp.
The Vpp is supplied when do the programming function.