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MX690E2
Page 45 (Amplifier Connector (JAMP1))
BCM MX690E2 - Amplifier Connector (JAMP1); LCD Inverter Connector (JBKL)
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User’s Manual
41
1.8.7 Amplifier
connector
(JAMP1)
1.8.8
LCD Inverter Connector (JBKL)
z
Signal Description
Signal
Signal Description
VR
Bright adjust. Vadj=0.75V ~ 4.25V
(Recommended: 4.7K
Ω
, > 1/16W)
ENBKL
LCD back
light ON/OFF control signal
44
46
Table of Contents
Main Page
Default Chapter
6
Table of Contents
6
Safety Information
9
Technical Support
10
Conventions Used in this Guide
10
Packing List
11
Revision History
12
Specifications Summary
13
Block Diagram
16
Production Introduction
18
Before You Proceed
18
Motherboard Overview
19
Placement Direction
19
Screw Holes
19
Motherboard Layout
20
Layout Content List
21
Central Processing Unit (CPU)
23
Installing the CPU
24
Installing the CPU Heatsink and Fan
27
System Memory
30
DIMM Sockets Location
30
Memory Configurations
31
Installing a DDR2 DIMM
32
Removing a DDR2 DIMM
33
Expansion Slots
34
Installing an Expansion Card
34
Configuring an Expansion Card
34
Standard Interrupt Assignments
35
PCI Slot
35
Jumpers
36
Clear CMOS (CLRTC)
36
COM1 RI/+5V/+12V Selection (JCOMPWR1)
37
COM2 RI/+5V/+12V Selection (JCOMPWR2)
37
Connectors
38
Rear Panel Connectors
38
Front Panel Audio Connector (AAFP)
41
ATX Power Connector (ATX12V, ATXPWR)
42
Chassis Fan Connector (CHA_FAN)
43
CPU Fan Connector (CPU_FAN)
43
System Panel Connector (F_PANEL)
44
Amplifier Connector (JAMP1)
45
LCD Inverter Connector (JBKL)
45
Digital I/O Connector (JDIO)
46
LVDS Connector (JLVDS)
46
JSPI Connector (JSPI)
46
Primary IDE Connector (PRE_IDE)
47
Serial ATA Connector (SATA1, SATA2)
48
USB 2.0 Connector (USB56)
49
BIOS Setup
51
BIOS Setup Program
51
Legend Box
52
List Box
52
Sub-Menu
52
BIOS Menu Screen
53
Standard CMOS Features
54
Advanced BIOS Features
56
Advanced Chipset Features
61
Integrated Peripherals
63
Security Chip Configuration
67
Power Management Setup
68
PC Health Status
69
Load Setup Defaults
71
Save Password
72
Save & Exit Setup
73
Exit Without Saving
74
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