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3 cmos reset, 4 jumper description – Acrosser AR-B1841 User Manual

Page 11

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AR-B1841 User’s Guide

AR-B1841

11

2.3 CMOS Reset

JBAT1 : CMOS pin header




2.4 Jumper description

JP1 : Select CF Master or Slave mode


JP2 : Keyboard Lock

JP3 : COM1/2 Select RI is 12V or signal




JP4 : Select COM4 is RS232 or RS422/485

J2 : HDD LED

JBAT1 DESCRIPTION

1-2

Normal Operation

2-3 Reset

CMOS

JP1 Description

Short

Master

Open

Slave

JP2 Description

Open

Unlock

Short Lock

PIN DESCRIPTION PIN DESCRIPTION

1

NRIA

2

NRIA_12V

3 +12V

4 NRIA_12V

5

NRIB

6

NRIB_12V

7 +12V

8 NRIB_12V

JP4 Description

1-2

RS232

2-3 RS422/485

PIN Description

1

+5V

2 Signal