34
PCM-5894 User's Manual
COM3/COM4 RI pin setting (J20, J21)
The COM3 and COM4 can 5V or +12V power to the
serial devices via RI pin of the COM port connector. The outputs
of COM3, COM4 RI pins are selected by setting J20, J21.
COM3 RI pin setting
RI*
+5V
+12V
J20
COM4 RI pin setting
RI*
+5V
+12V
J21
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
CMOS setup (J7)
CMOS setup
Protect*
Clear CMOS
J7
* default setting
Содержание PCM-5894
Страница 1: ...PCM 5894 PCM 5894C All in One Single Board Pentium Computer with SVGA Ethernet and 4 serial ports...
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Страница 47: ...C H A P T E R 3 AMIBIOS Setup This chapter describes how to set BIOS configuration data...
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