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HP D530 HP Compaq Business Desktop d500 Service Reference Guide, 5th Edition - Page 50

Master Boot Record Security, Security > Master Boot Record Security > Enabled.

UPC - 808736649308

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Desktop Management 3.5.6 Master Boot Record Security The Master Boot Record (MBR) contains information needed to successfully boot from a disk and to access the data stored on the disk. Master Boot Record Security may prevent unintentional or malicious changes to the MBR, such as those caused by some computer viruses or by the incorrect use of certain disk utilities. It also allows you to recover the "last known good" MBR, should changes to the MBR be detected when the system is restarted. To enable MBR Security, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 2. Press the F10 key as soon as the monitor light turns green. Press Enter to bypass the title screen, if necessary. ✎ If you do not press the F10 key at the appropriate time, you must turn the computer off, then on again, and press the F10 key again to access the utility. 3. Select Security > Master Boot Record Security > Enabled. 4. Select Security > Save Master Boot Record. 5. Before exiting, click File > Save Changes and Exit. When MBR Security is enabled, the BIOS prevents any changes being made to the MBR of the current bootable disk while in MS-DOS or Windows Safe Mode. ✎ Most operating systems control access to the MBR of the current bootable disk; the BIOS cannot prevent changes that may occur while the operating system is running. Each time the computer is turned on or restarted, the BIOS compares the MBR of the current bootable disk to the previously saved MBR. If changes are detected and if the current bootable disk is the same disk from which the MBR was previously saved, the following message is displayed: 1999-Master Boot Record has changed. Press any key to enter Setup to configure MBR Security. Upon entering Computer Setup, you must ■ Save the MBR of the current bootable disk; ■ Restore the previously saved MBR; or ■ Disable the MBR Security feature. You must know the setup password, if one exists. If changes are detected and if the current bootable disk is not the same disk from which the MBR was previously saved, the following message is displayed: 2000-Master Boot Record Hard Drive has changed. Press any key to enter Setup to configure MBR Security. Upon entering Computer Setup, you must ■ Save the MBR of the current bootable disk; or ■ Disable the MBR Security feature. You must know the setup password, if one exists. 3-18 336492-005 Service Reference Guide, d500

Section	Page
Contents	5
Installing the Operating System	11
1.0.1 Installing or Upgrading Device Drivers	11
1.0.2 Creating an Emergency Repair Diskette - Windows 2000	11
1.0.3 Using the Emergency Repair Diskette - Windows 2000	11
1.1 Converting to NTFS	12
1.1.1 Windows 2000 Professional	12
1.1.2 Windows XP Home and XP Professional	12
1.2 HP Software	12
Setup Utilities and Diagnostics Features	13
2.1 Power-On Self-Test (POST)	13
2.2 Computer Setup Utilities	14
2.2.1 Using Computer Setup (F10) Utilities	15
2.2.2 Computer Setup Menu	16
2.3 Diagnostics for Windows	25
2.3.1 Detecting Diagnostics for Windows	25
2.3.2 Installing Diagnostics for Windows	25
2.3.3 Using Categories in Diagnostics for Windows	26
2.3.4 Running Diagnostic Tests in Diagnostics for Windows	28
2.4 Configuration Record	29
2.4.1 Installing Configuration Record	29
2.4.2 Running Configuration Record	29
2.5 Remote Diagnostics Enabling Agent	30
2.5.1 Installing or Upgrading Remote Diagnostics Enabling Agent	30
2.5.2 Running the Remote Diagnostics Enabling Agent	30
2.6 Protecting the Software	30
2.7 Restoring the Software	31
Desktop Management	33
3.1 Initial Configuration and Deployment	33
3.2 Remote System Installation	34
3.3 Software Updating and Management	34
3.3.1 HP Client Manager Software	34
3.3.2 Altiris Client Management Solutions	34
3.3.3 System Software Manager	35
3.3.4 Proactive Change Notification (PCN)	35
3.3.5 Subscriber’s Choice	36
3.4 ROM Flash	36
3.4.1 Remote ROM Flash	36
3.4.2 FHPQ Flash	36
3.4.3 FailSafe Boot Block ROM	37
3.4.4 Replicating Your Setup	38
3.4.5 Dual-State Power Button	38
3.4.6 Power Management	39
3.4.7 World Wide Web Site	39
3.4.8 Building Blocks and Partners	39
3.5 Asset Tracking and Security	40
3.5.1 Password Security	43
3.5.2 Establishing a Setup Password Using Computer Setup	43
3.5.3 Establishing a Power-On Password Using Computer Setup	44
3.5.4 DriveLock	46
3.5.5 Smart Cover Sensor	48
3.5.6 Master Boot Record Security	50
3.5.7 Before You Partition or Format the Current Bootable Disk	51
3.5.8 Cable Lock Provision	51
3.5.9 Fingerprint Identification Technology	51
3.6 Fault Notification and Recovery	52
3.6.1 Drive Protection System	52
3.6.2 Surge-Tolerant Power Supply	52
3.6.3 Thermal Sensor	52
Serial and Parallel ATA Drive Guidelines and Features	53
4.1 PATA and SATA Device Information	53
4.2 ATA Cables	53
4.2.1 SATA Data Cable	53
4.2.2 SATA Power Cable	54
4.2.3 PATA Data Cable	54
4.2.4 PATA Power Cable	54
4.2.5 PATA Cable Layout	55
4.3 PATA Drive Installation Guidelines	55
4.3.1 PATA Device Classes	56
4.3.2 PATA Attach Sequence Rules by Class Priority	57
4.3.3 PATA Attach Sequence Worksheet	58
4.3.4 PATA Additional Drive Application Notes	60
4.4 PATA SMART Drives	61
4.5 Drive Capacities	61
4.6 SATA BIOS	61
4.6.1 Legacy Mode	62
4.6.2 Native Mode	62
4.7 Mixed Devices Boot and Drive Letter Ordering	63
Identifying the Chassis, Routine Care, and Disassembly Preparation	65
5.1 Chassis Designations	65
5.1.1 Convertible Minitower (CMT)	65
5.1.2 Small Form Factor (SFF)	66
5.1.3 Ultra-Slim Desktop (USDT)	66
5.2 Electrostatic Discharge Information	67
5.2.1 Generating Static	67
5.2.2 Preventing Electrostatic Damage to Equipment	67
5.2.3 Personal Grounding Methods and Equipment	68
5.2.4 Grounding the Work Area	68
5.2.5 Recommended Materials and Equipment	68
5.3 Routine Care	69
5.3.1 General Cleaning Safety Precautions	69
5.3.2 Cleaning the Computer Case	69
5.3.3 Cleaning the Keyboard	70
5.3.4 Cleaning the Monitor	70
5.3.5 Cleaning the Mouse	70
5.4 Service Considerations	71
5.4.1 Power Supply Fan	71
5.4.2 Tools and Software Requirements	71
5.4.3 Screws	71
5.4.4 Cables and Connectors	72
5.4.5 Hard Drives	72
5.4.6 Lithium Coin Cell Battery	72
Removal and Replacement Procedures- Convertible Minitower (CMT) Chassis	73
6.1 Preparation for Disassembly	73
6.2 Unlocking the Smart Cover Lock	74
6.3 Hood Sensor	75
6.4 External Security Devices	76
6.4.1 Cable Lock	76
6.4.2 Padlock	76
6.5 Computer Access Panel	77
6.6 Front Bezel	78
6.7 Front Drive Bezels	79
6.7.1 5.25\	79
6.7.2 Diskette Drive Bezel or Bezel Blank	80
6.8 Memory	80
6.9 Expansion Cards	81
6.10 PCI Retainer Latch	86
6.11 Drives	88
6.11.1 Drive Positions	89
6.11.2 Hard Drive	90
6.11.3 Optical Drive	92
6.11.4 Diskette Drive	95
6.12 Front I/O Device	96
6.13 Power Switch Assembly	97
6.14 System Board	98
6.15 Battery	99
6.15.1 Type 1 Battery Holder	100
6.15.2 Type 2 Battery Holder	101
6.16 Processor and Heatsink	102
6.16.1 Type 1	102
6.16.2 Type 2	103
6.16.3 Type 3	104
6.17 Speaker	105
6.18 Chassis Fan	106
6.19 Power Supply	107
6.20 Changing from Desktop to Minitower	108
6.21 Changing from Minitower to Desktop	111
Removal and Replacement Procedures- Small Form Factor (SFF) Chassis	115
7.1 Preparation for Disassembly	115
7.2 Unlocking the Smart Cover Lock	116
7.3 Hood Sensor	117
7.4 External Security Devices	118
7.4.1 Cable Lock	118
7.4.2 Padlock	118
7.5 Computer Access Panel	119
7.6 Front Bezel	120
7.7 Front Drive Bezels	121
7.7.1 Diskette Drive Bezel or Bezel Blank	121
7.8 Memory	122
7.9 Expansion Card Cage	123
7.9.1 Riser Card	124
7.9.2 Expansion Card	125
7.9.3 AGP Card	127
7.10 Drives	129
7.10.1 Drive Positions	129
7.10.2 Cable Routing	130
7.10.3 Optical Drive	131
7.10.4 External 3.5-inch Drive	134
7.10.5 Primary Hard Drive	136
7.11 Front I/O Devices	138
7.12 Power Switch Assembly	139
7.13 System Board	140
7.14 Chassis Fan	141
7.15 Battery	142
7.15.1 Type 1 Battery Holder	143
7.15.2 Type 2 Battery Holder	144
7.16 Processor and Heatsink	145
7.17 Speaker	146
7.18 Power Supply	147
Removal and Replacement Procedures- Ultra-Slim Desktop (USDT) Chassis	149
8.1 Preparation for Disassembly	149
8.2 External Security Devices	150
8.2.1 Installing a Cable Lock	150
8.2.2 Installing a Padlock	151
8.3 Computer Access Panel	152
8.3.1 Top Access Panel	152
8.3.2 Bottom Access Panel	153
8.4 Front Bezel	154
8.5 Memory	155
8.6 Expansion Cards	156
8.7 Expansion Card Locking Lever	158
8.8 Drives	159
8.8.1 Hard Drive	159
8.8.2 MultiBay Drive	161
8.9 System Fan	162
8.10 Front Chassis Panel	163
8.11 Front I/O Device	164
8.12 Power Switch Assembly	165
8.13 Processor and Heatsink	166
8.14 Power Supply	167
8.15 Battery	168
8.15.1 Type 1 Battery Holder	169
8.15.2 Type 2 Battery Holder	170
8.16 Drive Cage Assembly	171
8.17 Speaker	172
8.18 Chassis Fan	173
8.19 System Board	174
Connector Pin Assignments	175
Power Cord Set Requirements	183
POST Error Messages	185
Troubleshooting Without Diagnostics	193
System Board and Riser Board Reference Designators	219
Memory	223

Match case Limit results 1 per page

3–18

336492-005

Service Reference Guide, d500

Desktop Management

3.5.6 Master Boot Record Security

The Master Boot Record (MBR) contains information needed to successfully boot from a disk

and to access the data stored on the disk. Master Boot Record Security may prevent unintentional

or malicious changes to the MBR, such as those caused by some computer viruses or by the

incorrect use of certain disk utilities. It also allows you to recover the “last known good” MBR,

should changes to the MBR be detected when the system is restarted.

To enable MBR Security, complete the following steps:

1. Turn on or restart the computer. If you are in Windows, click

Start > Shut Down > Restart.

2. Press the

F10

key as soon as the monitor light turns green. Press

Enter

to bypass the title

screen, if necessary.

✎

If you do not press the

F10

key at the appropriate time, you must turn the computer off, then on

again, and press the

F10

key again to access the utility.

3. Select

Security > Master Boot Record Security > Enabled.

4. Select

Security > Save Master Boot Record.

5. Before exiting, click

File > Save Changes

and

Exit.

When MBR Security is enabled, the BIOS prevents any changes being made to the MBR of the

current bootable disk while in MS-DOS or Windows Safe Mode.

✎

Most operating systems control access to the MBR of the current bootable disk; the BIOS cannot

prevent changes that may occur while the operating system is running.

Each time the computer is turned on or restarted, the BIOS compares the MBR of the current

bootable disk to the previously saved MBR. If changes are detected and if the current bootable

disk is the same disk from which the MBR was previously saved, the following message is

displayed:

1999—Master Boot Record has changed.

Press any key to enter Setup to configure MBR Security.

Upon entering Computer Setup, you must

■

Save the MBR of the current bootable disk;

■

Restore the previously saved MBR; or

■

Disable the MBR Security feature.

You must know the setup password, if one exists.

If changes are detected and if the current bootable disk is

not

the same disk from which the MBR

was previously saved, the following message is displayed:

2000—Master Boot Record Hard Drive has changed.

Press any key to enter Setup to configure MBR Security.

Upon entering Computer Setup, you must

■

Save the MBR of the current bootable disk; or

■

Disable the MBR Security feature.

You must know the setup password, if one exists.