APC-3X97A user manual
18
2.2 Onboard Jumpers and Port Pinouts
1. JVCCIO
(2.0MM 1X3)
PCI-104
port voltage selection jumper
: select voltage for PCI-104+ device
JVCCIO
PCI-104
VCCIO
Voltage
CLOSE
1-2
+3.3V (default)
CLOSE
2-3
+5V
2. JCLR_CMOS
(2.0MM 1X3)
CMOS clear jumper
: CMOS clear operation will permanently reset old
BIOS settings to factory defaults.
JCLR_CMOS
CMOS
CLOSE 1-2
NORMAL
(default)
CLOSE 2-3
CLEAR CMOS
Procedures of CMOS clear:
1. Turn off the system and unplug the power cord from the power outlet;
2. To clear the CMOS settings, use the jumper cap to close pins 2 and 3 for about 3 seconds then
reinstall the jumper clip back to pins 1 and 2.
3. Power on the system again;
4. When entering the POST screen, press the <DEL> key to enter CMOS Setup Utility to load optimal
defaults;
5. After the above operations, save changes and exit BIOS Setup.
3. BAT
(1.25.0MM 1X2)
Ext. Battery port
: a 3.3V battery is embedded to provide power for CMOS.
PIN#
Signal
Name
PIN1
VBAT
PIN2
Ground
4.COM2-COM6
(2.0MM 2X5
)
COM2~COM6 port
: up to 5 standard RS232 ports are provided. They
can be used directly via COM adapter cable connection.
Signal
Name
Pin# Pin# Signal
Name
DCD
1
2
RXD
TXD
3
4
DTR
Ground
5
6
DSR
RTS
7
8
CTS
RI
9
10
NC
Содержание APC-3X97A
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Страница 15: ...APC 3X97A user manual 15 Figure 2 3 Connector and Jumper Locations ...
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Страница 80: ...APC 3X97A user manual 80 5 Installing 6 The Install Shield Wizard Completed appears Click Finish ...
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