Pch 7591, 2 onboard jumpers and port pinouts – Acnodes PCH 7591 User Manual
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PCH 7591
15 inch Atom Fanless Panel PC
© Copyright 2012 Acnodes, Inc.
All rights reserved. Product description and product specifications
are subject to change without notice. For latest product information,
please visit Acnodes’ web site at www.acnodes.com.
14628 Central Ave.
Chino, CA91710
Tel:909.597.7588, Fax:909.597.1939
2.2 Onboard Jumpers and Port Pinouts
1. JVCC IO
(2.0 MM 1X3) PCI-104
port voltage selection jumper: selec t voltage for PC I-104+ device
JVC CIO
PCI-104
VCCIO
Voltage
CLOSE
1-2
+3.3V (defaul t)
CLOSE
2-3
+5V
2. JC LR _CMOS
(2.0MM 1X3)
CMOS clear jumper: CMOS clear operation will perm anently reset old
BIOS settings to factory defaults .
JCLR _CMOS
CMOS
CLOSE 1-2
NO RMAL
(de fault)
CLOSE 2 -3
CLEAR CMO S
Procedures of C MOS c lear:
1. Turn off the system and unplug the power cord from the power outlet;
2. To clear the C MOS settings, us e the jumper cap to close pins 2 a nd 3 for about 3 seconds then
reinstall the jumper clip b ack to pins 1 and 2.
3. Pow er o n th e s ystem again;
4. W hen entering the POST sc reen, press the
defaults;
5. After the above operations, s ave changes and exit BIOS Setup.