Bb-electronics Celeron M Universal Network Controller with PC/104 Manuel d'utilisateur télécharger pdf (Page 21)

2.10 Battery Backup SRAM

UNO-2170 provides 512

of battery backed SRAM. This ensures that

you have a safe place to store

critical

data. You can now

write

software

applications

without being concerned that system

crashes

will erase criti-

cal

data from the

memory.

There is a BTRY LED in the front

panel of the UNO-2170, please replace

the lithium battery with a

new one if

the

BTRY

LED is

activated.

2.10.1

Lithium Battery Specification

Type:

BR2032 (Using CR2032 is NOT recommended)

Output voltage:

3 V

Location:

the backside

of UNO-2170 board.

Figure

2.5: The location of

the lithium battery for

SRAM

2.11 Reset Button

Press the "Reset" button to

activate

the reset function.

(SW1)

15 Chapter 2

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 39 40

UNO-2170 1
User Manual 1
Contents 5
Overview 7
Chapter 1 Overview 8
1.2 Hardware Specifications 9
1.3 Safety Precautions 10
1.4 Chassis Dimensions 11
Hardware Functionality 13
2.1 Introduction 14
Mode Selection 17
2.3.7 IRQ and Address Setting 18
2.7 USB Connector 19
2.5 Power Connector 19
2.8 PCMCIA: PC Card Slot 20
2.9 VGA Display Connector 20
2.10 Battery Backup SRAM 21
2.11 Reset Button 21
Initial Setup 23
Chapter 3 Initial Setup 24
3.3 Connecting Power 25
3.4 Installing a Hard Disk 25
System Settings and 27
Pin Assignments 27
Assignments 28
Table A.3: 31
Connectors and Jumpers 31
A.9 VGA Display Connector 35
Programming the 37
Watchdog Timer 37
Timer function 38

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