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HP Pro 3500 Micro Maintenance & Service Guide Pro 3400 3405 3410 3500 3505 - Page 63

Populating DIMM Sockets, DIMM Socket Locations HP Pro 3400 model shown

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Populating DIMM Sockets Populate the DIMM sockets in the following order: XMM1, XMM2 or Channel A, Channel B. DIMM Socket Locations (HP Pro 3400 model shown) Description Socket Color XMM1 socket, Channel A (populate first) Blue NOTE: HP Pro 3400: Black XMM2 socket, Channel A Blue NOTE: HP Pro 3505 models label this connector as XMM3. NOTE: HP Pro 3400: Black NOTE: A memory module must occupy the XMM1/Channel A socket. Insertion Order 1 2 The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed. ● The system will operate in single channel mode if the DIMM sockets are populated in one channel only. ● The system will operate in a higher-performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B. The technology and device width can vary between the channels. For example, if Channel A is populated with one 1-GB DIMM and Channel B is populated with one 2-GB DIMM, the system will operate in dual channel mode. ● The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B. In flex mode, the channel Memory 53

Section	Page
Product Features	11
Feature Overview	11
Microtower Components	12
Small Form Factor Components	13
Activating and Customizing the Software	14
Activating and customizing the software in Windows 7	14
Activating the Windows operating system	14
Downloading Windows 7 updates	15
Installing or upgrading device drivers	15
Customizing the monitor display	15
Activating and customizing the software in Windows 8	15
Activating the Windows Operating System	15
Downloading Windows 8 updates	16
Customizing the monitor display	16
Computer Setup (F10) Utility	17
Computer Setup (F10) Utilities	17
Using Computer Setup (F10) Utilities	18
Computer Setup—File	19
Computer Setup—Storage	20
Computer Setup—Security	23
Computer Setup—Power	27
Computer Setup—Advanced	28
Recovering the Configuration Settings	30
Illustrated parts catalog	31
Microtower Chassis Spare Parts	31
Computer Major Components	31
Cables	35
Misc Parts	36
Drives	37
Misc Boards	37
Sequential Part Number Listing	38
Small Form Factor (SFF) Chassis Spare Parts	43
Computer major components	43
Cables	45
Misc Parts	46
Drives	47
Misc Boards	47
Sequential Part Number Listing	47
Serial ATA (SATA) Drive Guidelines and Features	50
SATA Hard Drives	50
SATA Hard Drive Cables	50
SATA Data Cable	50
SMART ATA Drives	51
Routine Care and Disassembly Preparation	52
Electrostatic Discharge Information	52
Generating Static	52
Preventing Electrostatic Damage to Equipment	53
Personal Grounding Methods and Equipment	53
Grounding the Work Area	54
Recommended Materials and Equipment	54
Operating Guidelines	55
Routine Care	55
General Cleaning Safety Precautions	55
Cleaning the Computer Case	55
Cleaning the Keyboard	56
Cleaning the Monitor	56
Cleaning the Mouse	57
Service Considerations	57
Power Supply Fan	57
Tools and Software Requirements	57
Screws	57
Cables and Connectors	58
Hard Drives	58
Lithium Coin Cell Battery	58
Removal and Replacement Procedures – Microtower Chassis	59
Serviceability Features	59
Preparation for Disassembly	59
Access Panel	60
Front Bezel	61
Memory	62
DDR3-SDRAM DIMMs	62
Populating DIMM Sockets	63
Removing Memory Modules	64
Expansion Cards	66
Cable Management	72
Cable Connections	73
Drives	74
Installing Additional Drives	75
System Board Drive Connections	75
Removing an Optical Drive	80
Removing a Hard Drive	80
Front I/O and USB Panel Housing Assembly	82
Power Switch/LED Assembly	84
System Fan	86
Fan Sink Assembly	88
Processor	89
Power Supply	92
System Board	93
Battery	95
Removal and Replacement Procedures – Small Form Factor (SFF) Chassis	97
Preparation for Disassembly	97
Access Panel	98
Front Bezel	100
Memory	101
DDR3-SDRAM DIMMs	101
Populating DIMM Sockets	102
Removing DIMMs	103
Expansion Card	106
Cable Management	110
Cable Connections	111
Drives	112
Drive Positions	112
Removing Drives	113
Removing an Optical Drive	113
Removing the Hard Drive	115
Power Switch	119
Front USB Assembly	121
Fan Assembly	124
Fan Sink	126
Processor	128
Power Supply	130
System Board	132
Battery	134
Power Cord Set Requirements	136
General Requirements	136
Japanese Power Cord Requirements	136
Country-Specific Requirements	137
POST Error Messages	138
POST Numeric Codes and Text Messages	139
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	147
Password Security and Resetting CMOS	151
Resetting the Password Jumper	152
Clearing and Resetting the CMOS	152
Troubleshooting Without Diagnostics	154
Safety and Comfort	154
Before You Call for Technical Support	154
Helpful Hints	155
Solving General Problems	157
Solving Power Problems	161
Solving Hard Drive Problems	163
Solving Media Card Reader Problems	166
Solving Display Problems	168
Solving Audio Problems	173
Solving Printer Problems	175
Solving Keyboard and Mouse Problems	177
Solving Hardware Installation Problems	179
Solving Network Problems	181
Solving Memory Problems	184
Solving Processor Problems	186
Solving CD-ROM and DVD Problems	186
Solving USB Flash Drive Problems	189
Solving Front Panel Component Problems	190
Solving Internet Access Problems	190
Solving Software Problems	192
Contacting Customer Support	194
HP PC Hardware Diagnostics	195
Why run HP PC Hardware Diagnostics	195
How to access and run HP PC Hardware Diagnostics	196
Downloading HP PC Hardware Diagnostics to a USB device	197
Backup and Recovery	198
Restoring and recovering in Windows 7	198
System Restore	198
System Recovery	198
System Recovery when Windows is responding	199
System Recovery when Windows is not responding	200
System recovery using recovery media	200
Creating recovery media	201
Using recovery media	202
Backup and recovery in Windows 8	203
Backing up your information	203
Performing a system recovery	204
Using the Windows recovery tools	204
Using f11 recovery tools	205
Using Windows 8 operating system media (purchased separately)	205
Specifications	206
MT Specifications	206
SFF Specifications	207

Match case Limit results 1 per page

Populating DIMM Sockets

Populate the DIMM sockets in the following order: XMM1, XMM2 or Channel A, Channel B.

DIMM Socket Locations (HP Pro 3400 model shown)

Description

Socket Color

Insertion Order

XMM1 socket, Channel A (populate

first)

Blue

NOTE:

HP Pro 3400: Black

XMM2 socket, Channel A

NOTE:

HP Pro 3505 models label

this connector as XMM3.

Blue

NOTE:

HP Pro 3400: Black

NOTE:

A memory module must occupy the XMM1/Channel A socket.

The system will automatically operate in single channel mode, dual channel mode, or flex mode,

depending on how the DIMMs are installed.

●

The system will operate in single channel mode if the DIMM sockets are populated in one

channel only.

●

The system will operate in a higher-performing dual channel mode if the total memory capacity

of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B.

The technology and device width can vary between the channels. For example, if Channel A is

populated with one 1-GB DIMM and Channel B is populated with one 2-GB DIMM, the system

will operate in dual channel mode.

●

The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is

not equal to the total memory capacity of the DIMMs in Channel B. In flex mode, the channel

Memory