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Intel D945PLRN User Manual
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Intel Desktop Board D945PLRN T
echnical Product Specification
18
1.4.1.1
Dual Channel (Inter
leaved) Mode Configuration
Figure 4 shows a dual channel configuration using two DIMMs. In this example, the DIMM
sockets are populated with identical DIMMs.
OM17974
Channel A, DIMM 0
Channel B, DIMM 0
1 GB
1 GB
Figure 4. Dual Channel (Interleaved) Mode Configuration with Tw
o DIMMs
17
19
Table of Contents
Default Chapter
2
Revision History
2
Intended Audience
3
What this Document Contains
3
Table of Contents
5
Tables
10
1 Product Description
10
Legacy I/O Controller
10
Manufacturing Options
11
Board Layout
12
Overview
10
Feature Summary
10
Board Components
12
Board Components Shown in Figure 1
13
Block Diagram
14
Intel 945PL Chipset
14
Online Support
15
Processor
15
System Memory
16
Figures
12
Supported Memory Configurations
16
Memory Configurations
17
Memory Channel and DIMM Configuration
17
Dual Channel (Interleaved) Mode Configuration with Two Dimms
18
Product Description
19
Single Channel (Asymmetric) Mode Configuration with One DIMM
19
Single Channel (Asymmetric) Mode Configuration with Two Dimms
19
Intel 945PL Chipset
20
Usb
20
IDE Support
21
SCSI Hard Drive Activity LED Connector (Optional)
22
Real-Time Clock, CMOS SRAM, and Battery
23
Legacy I/O Controller
27
Serial Port
27
Parallel Port
28
Diskette Drive Controller
28
Keyboard and Mouse Interface
28
PCI Express Connectors
27
Audio Subsystem
29
Audio Subsystem Software
29
Audio Connectors
29
6-Channel (5.1) Audio Subsystem
30
Channel (5.1) Audio Subsystem Block Diagram
30
LAN Subsystem
31
LAN Subsystem Software
31
Intel 82562GX Physical Layer Interface Device
31
Front/Back Panel Audio Connector Options for 6-Channel (5.1) Audio Subsystem
30
LAN Connector LED Locations
32
LAN Connector LED States
32
Hardware Management Subsystem
33
Hardware Monitoring and Fan Control ASIC
33
Chassis Intrusion and Detection
33
Fan Monitoring
33
Thermal Monitoring
34
Thermal Sensors and Fan Connectors
34
Power Management
35
Acpi
35
Effects of Pressing the Power Switch
35
Power States and Targeted System Power
36
Hardware Support
37
Wake-Up Devices and Events
37
Fan Connectors
38
Lan Wake Capabilities
38
Power Connector
38
Instantly Available Pc Technology
39
Resume on Ring
39
Wake from Usb
39
Location of the Standby Power Indicator LED
40
What this Chapter Contains
41
System Memory Map
41
What this Chapter Contains
41
Fixed I/O Map
42
PCI Configuration Space Map
43
Interrupts
44
DMA Channels
45
PCI Conventional Interrupt Routing Map
45
Connectors
46
PCI Interrupt Routing Map
46
Back Panel Connectors
47
Component-Side Connectors
48
Chassis Intrusion Connector
49
Component-Side Connectors Shown in Figure 13
49
Front Panel Audio Connector
49
Serial ATA Connectors
50
Auxiliary Fan Connector (Optional)
51
Processor
51
Front and Rear Chassis Fan Connectors
51
Processor Fan Connector
51
ATX12V Power Connector
52
Main Power Connector
52
Auxiliary Front Panel Power/Sleep LED Connector
53
Connection Diagram for Front Panel Connector
54
Front Panel Connector
54
States for a One-Color Power LED
55
States for a Two-Color Power LED
55
Connection Diagram for Front Panel USB Connectors
56
Jumper Block
57
BIOS Setup Configuration Jumper Settings
57
Mechanical Considerations
58
Form Factor
58
Location of the Jumper Block
57
Board Dimensions
58
I/O Shield
59
I/O Shield Dimensions
59
Electrical Considerations
60
DC Loading
60
Add-In Board Considerations
60
DC Loading Characteristics
60
Fan Connector Current Capability
61
Power Supply Considerations
61
Thermal Considerations
62
Processor Heatsink for Omni-Directional Airflow
62
Localized High Temperature Zones
63
Reliability
64
Thermal Considerations for Components
64
Environmental
65
Environmental Specifications
65
Regulatory Compliance
66
Safety Regulations
66
European Union Declaration of Conformity Statement
66
Product Ecology Statements
68
Lead Free Desktop Board
70
EMC Regulations
71
Product Certification Markings (Board Level)
73
Product Certification Markings
73
Technical Reference
41
Memory Map
41
What this Chapter Contains
75
Overview of BIOS Features
75
Introduction
75
BIOS Flash Memory Organization
76
Resource Configuration
76
PCI Autoconfiguration
76
PCI IDE Support
76
BIOS Setup Program Function Keys
76
System Management BIOS (SMBIOS)
77
Legacy USB Support
77
BIOS Updates
78
Language Support
78
Custom Splash Screen
78
Boot Options
79
CD-ROM Boot
79
Network Boot
79
Booting Without Attached Devices
79
Changing the Default Boot Device During POST
79
BIOS Setup Program Menu Bar
76
Boot Device Menu Options
79
Adjusting Boot Speed
80
Peripheral Selection and Configuration
80
BIOS Boot Optimizations
80
BIOS Security Features
81
Supervisor and User Password Functions
81
Beep Codes
83
Port 80H POST Codes
84
Error Messages and Beep Codes
83
Speaker
83
BIOS Beep Codes
83
BIOS Error Messages
83
Port 80H POST Code Ranges
84
Port 80H POST Codes
85
Typical Port 80H POST Sequence
88
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Intel D945PLRN Specifications
General
Brand
Intel
Model
D945PLRN
Category
Motherboard
Language
English
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