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Jumper Settings for CMOS Clear
Jumper JP7
CMOS Clear Select
Off: CMOS Clear
On: Default
Set jumper JP7 to its default set-
ting, on. If you set jumper JP7 to
off, battery will be lost and CMOS
will be cleared.
Jumper JP21
Modem Ring-in Select
The 586ITX board is equipped with
an auto detection of receiving mo-
dem ring when your system is in
power-off situation. Set jumper
JP21 pins 1, 2 to on when connect-
ing COM1 port (CN1), set pins 2, 3
to on when connecting COM2 port
(CN3), or set to off to ignore auto
detection.
Off: Disabled
(default)
1
2
3
Jumper Settings for Modem Ring-in
2-3 On: COM 2
1
2
3
1-2 On: COM 1
1
2
3
