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Intel D945PLNM User Manual
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Intel Desktop Board D945PLNM 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
Overview
10
Feature Summary
10
Board Layout
12
Board Components
12
Board Components Shown in Figure 1
13
Block Diagram
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
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
Real-Time Clock, CMOS SRAM, and Battery
22
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
10/100 Mbits/Sec LAN Subsystem
31
Front/Back Panel Audio Connector Options for 6-Channel (5.1) Audio Subsystem
30
LAN Connector LED Locations
31
Alert Standard Format (ASF) Support
32
LAN Subsystem Software
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
Technical Reference
41
Memory Map
41
System Memory Map
41
Fixed I/O Map
42
DMA Channels
43
PCI Configuration Space Map
43
Interrupts
44
PCI Conventional* Interrupt Routing Map
45
PCI Conventional Interrupt Routing Map
45
PCI Interrupt Routing Map
45
Connectors
46
Back Panel Connectors
47
Component-Side Connectors
48
Front Panel Audio Connector
49
Chassis Intrusion Connector
49
Processor Fan Connector
49
Front Panel Connector
49
Component-Side Connectors Shown in Figure 13
49
Serial ATA Connectors
50
Front and Rear Chassis Fan Connectors
50
Main Power Connector
51
ATX12V Power Connector
51
Auxiliary Front Panel Power/Sleep LED Connector
52
Connection Diagram for Front Panel Connector
53
States for a One-Color Power LED
54
States for a Two-Color Power LED
54
Connection Diagram for Front Panel USB Connectors
55
Jumper Block
56
Location of the Jumper Block
56
BIOS Setup Configuration Jumper Settings
56
Mechanical Considerations
57
Form Factor
57
Board Dimensions
57
I/O Shield
58
I/O Shield Dimensions
58
Electrical Considerations
59
DC Loading
59
Add-In Board Considerations
59
DC Loading Characteristics
59
Fan Connector Current Capability
60
Power Supply Considerations
60
Thermal Considerations
61
Processor Heatsink for Omni-Directional Airflow
61
Localized High Temperature Zones
62
Reliability
63
Thermal Considerations for Components
63
Environmental
64
Environmental Specifications
64
Regulatory Compliance
65
Safety Regulations
65
European Union Declaration of Conformity Statement
65
Product Ecology Statements
67
Lead Free Desktop Board
69
EMC Regulations
70
Product Certification Markings (Board Level)
72
Product Certification Markings
72
Overview of BIOS Features
73
Introduction
73
BIOS Flash Memory Organization
74
Resource Configuration
74
PCI Autoconfiguration
74
PCI IDE Support
74
BIOS Setup Program Menu Bar
74
BIOS Setup Program Function Keys
74
System Management BIOS (SMBIOS)
75
Legacy USB Support
75
BIOS Updates
76
Language Support
76
Custom Splash Screen
76
Boot Options
77
CD-ROM Boot
77
Network Boot
77
Booting Without Attached Devices
77
Changing the Default Boot Device During POST
77
Boot Device Menu Options
77
Adjusting Boot Speed
78
Peripheral Selection and Configuration
78
BIOS Boot Optimizations
78
BIOS Security Features
79
Supervisor and User Password Functions
79
Error Messages and Beep Codes
81
Speaker
81
BIOS Beep Codes
81
BIOS Error Messages
81
Beep Codes
81
Port 80H POST Codes
82
Port 80H POST Code Ranges
82
Port 80H POST Codes
83
Typical Port 80H POST Sequence
86
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Intel D945PLNM Specifications
General
Brand
Intel
Model
D945PLNM
Category
Motherboard
Language
English
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