
P4ELA User’s Manual
14
2.3 <Jumper Reference>
Jumper
Function
JRTC
CMOS Operating/Clear Setting
(Page 18)
JP1
COM1 signal mode switch (For Pin-1 & Pin-9)
(Page 32)
JP2
COM2 signal mode switch (For Pin-1 & Pin-9)
(Page 32)
JAT
Power mode select
JCSEL1
JCSEL2
CN_COM2 RS-232 RS422 RS485 Setting
(Page 32)
CN_IR IrDA Setting
(Page 32)
Jumper: JAT
Type: Onboard 3-pin jumper
JAT
Mode
1-2
AT Power mode
2-3
ATX Power mode
Default setting
JAT
1
3
Summary of Contents for P4ELA
Page 1: ...P4ELA Micro ATX motherboard User s Manual Edition 1 0 2009 07 28 ...
Page 6: ...P4ELA User s Manual 6 This Page is Left for Blank ...
Page 11: ...P4ELA User s Manual 11 Unit inch 1 4 Mechanical Drawing ...
Page 18: ...P4ELA User s Manual CMOS Setup 18 ...
Page 21: ...P4ELA User s Manual 21 2 8 Floppy Installation P4ELA has one 34 pin floppy interface FDD ...
Page 35: ...P4ELA User s Manual 35 This Page is Left for Blank ...
Page 47: ...P4ELA User s Manual 47 This Page is Left for Blank ...
Page 51: ...P4ELA User s Manual 51 Appedix B System Resources B 1 I O Port Address Map ...
Page 52: ...P4ELA User s Manual 52 ...
Page 53: ...P4ELA User s Manual 53 B 2 Memory Address Map ...
Page 54: ...P4ELA User s Manual 54 B 3 System IRQ Resources ...