Jp1, Jp2, Jp3: Rs232/422/485 (Com2) Selection; Jp6: Lvds Panel Power Select; Jp5: Clear Cmos Contents - Intel Xeon E7500 User Manual

INTRODUCTION

JP1, JP2, JP3: RS232/422/485 (COM2) Selection

COM1 is fixed for RS-232 use only.
COM2 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings for COM2 selection.
Function
(pin closed)

JP6: LVDS Panel Power Select

JP5: Clear CMOS Contents

Use JP5, a 3-pin header, to clear the CMOS contents. Note that the
ATX-power connector should be disconnected from the CPU card
before clearing CMOS.
JP5
12
COM2
RS-232
JP1:
1-2
Jumper
Setting JP2:
3-5 & 4-6
JP3:
3-5 & 4-6
JP6
Setting
Pin 1-2
Short/Closed
Pin 2-3
Short/Closed
IB900 User' s Manual
RS-422
JP1:
3-4
JP2:
1-3 & 2-4
JP3:
1-3 & 2-4
LVD Panel Power
3.3V (default)
5V
Function
Normal
Clear CMOS
RS-485
JP1:
5-6
JP2:
1-3 & 2-4
JP3:
1-3 & 2-4