HP Compaq dc7900 USDT Spezifikationen Seite 23
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Reset to Factory Settings (some models) (Do not reset/Reset) - Resetting to factory defaults
will erase all security keys. Changing this setting requires turning the computer off and then
back on.
CAUTION: The embedded security device is a critical component of many security schemes.
Erasing the security keys will prevent access to data protected by the Embedded Security
Device. Choosing Reset to Factory Settings may result in significant data loss.
●
Power-on authentication support (some models) (enable/disable) - Controls the power-on
password authentication scheme that utilizes the Embedded Security Device. Changing this
setting requires turning the computer off and then back on.
●
Reset authentication credentials (some models) (Do not reset/Reset) - Selecting Reset disables
the power-on authentication support and clears the authentication information from the
Embedded Security Device. Changing this setting requires turning the computer off and then
back on.
OS management of Embedded Security Device (some models) (enable/disable) - This option allows
the user to limit operating system control of the Embedded Security Device. Changing this setting
requires turning the computer off and then back on. This option allows the user to limit OS control
of the Embedded Security Device.
●
Reset of Embedded Security Device through OS (some models) (enable/disable) - This option
allows the user to limit the operating system ability to request a Reset to Factory Settings of
the Embedded Security Device. Changing this setting requires turning the computer off and
then back on.
NOTE: To enable this option, a Setup password must be set.
Smart Card BIOS Password Support (some models) (enable/disable) - Allows the user to enable/
disable the Smart Card to be used in place of the Setup and Power-On Passwords. This setting
requires additional initialization within ProtectTools® before this option will take effect.
Setup Security Level Provides a method to allow end-users limited access to change specified setup options, without
having to know the Setup Password.
This feature allows the administrator the flexibility to protect changes to essential setup options,
while allowing the user to view system settings and configure nonessential options. The administrator
specifies access rights to individual setup options on a case-by-case basis via the Setup Security
Level menu. By default, all setup options are assigned Setup Password, indicating the user must
enter the correct Setup Password during POST to make changes to any of the options. The
administrator may set individual items to None, indicating the user can make changes to the specified
options when setup has been accessed with invalid passwords. The choice, None, is replaced by
Power-On Password if a Power-On Password is enabled.
NOTE: Setup Browse Mode must be set to Enable in order for the user to enter Setup without
knowing the setup password.
Table 2-4 Computer Setup—Security (continued)
Computer Setup (F10) Utilities 11
- Service Reference Guide 1
- About This Book 3
- Table of contents 5
- Computer Setup—File 17
- Computer Setup—Storage 18
- Computer Setup—Security 20
- Computer Setup—Power 24
- Computer Setup—Advanced 25
- HP Insight Diagnostics 29
- Survey Tab 30
- Test Tab 31
- Status Tab 31
- Help Tab 32
- Protecting the Software 33
- 4 Desktop Management 35
- Remote System Installation 36
- HP SoftPaq Download Manager 38
- HP System Software Manager 38
- Management Technology 42
- Verdiem Surveyor 44
- Subscriber’s Choice 44
- Retired Solutions 44
- ROM Flash 45
- Replicating the Setup 46
- Copying to Multiple Computers 47
- Creating a Bootable Device 48
- Dual-State Power Button 50
- HP Web Site Support 51
- Industry Standards 51
- Asset Tracking and Security 51
- Password Security 55
- Entering a Power-On Password 56
- Entering a Setup Password 56
- DriveLock 58
- Smart Cover Sensor 59
- Cable Lock Provision 61
- Drive Protection System 61
- Surge-Tolerant Power Supply 61
- Thermal Sensor 62
- SATA Hard Drives 63
- SATA Hard Drive Cables 64
- PATA Device Information 65
- ATA SMART Drives 65
- Hard Drive Capacities 65
- Chassis Designations 66
- Small Form Factor (SFF) 67
- Ultra-Slim Desktop (USDT) 67
- Generating Static 68
- Grounding the Work Area 69
- Operating Guidelines 70
- Routine Care 71
- Service Considerations 72
- Cables and Connectors 73
- Hard Drives 73
- Lithium Coin Cell Battery 74
- External Security Devices 67 79
- Drives 85 97
- Rear Chassis Fan 114
- Heatsink 116
- Fan Shroud 117
- Processor 118
- Front Chassis Fan 119
- Power Supply 120
- System Board 121
- Type 2 Battery Holder 123
- Type 1 Battery Holder 123
- Type 3 Battery Holder 124
- Preparation for Disassembly 130
- Smart Cover FailSafe Key 131
- External Security Devices 133
- HP Business PC Security Lock 135
- Computer Access Panel 137
- Front Bezel 138
- Bezel Blanks 139
- Installing Additional Memory 140
- Populating DIMM Sockets 141
- Installing DIMMs 142
- Expansion Cards 144
- Cable Management 149
- Cable Connections 150
- Drive Positions 151
- Removing an Optical Drive 155
- Drives 149 161
- Front Fan Assembly 174
- Hood Sensor 175
- Power Switch Assembly 176
- Front I/O Device 177
- Smart Cover Lock 178
- Backwall 184
- Orientation 188
- External Security Devices 181 193
- Figure 9-7 Engaging the Lock 194
- Bezel Blank 197
- Populating SODIMM Sockets 199
- Installing SODIMMs 200
- Replacing the Optical Drive 203
- Optical Drive Connector 205
- Hard Drive 207
- Hard Drive Cage 211
- Port Cover 212
- Front Fan 213
- Rear Fan 215
- A Connector Pin Assignments 224
- Ethernet RJ-45 225
- Ethernet AUI 225
- Parallel Interface 226
- Microphone 227
- Headphone 227
- Line-in Audio 227
- Line-out Audio 227
- External Infrared Transceiver 228
- CD-ROM 50-Pin Connector 230
- 24-Pin Power 230
- 4-Pin Power (for CPU) 231
- SATA Data and Power 232
- PCI Express 232
- PCI Express Mini Card 234
- DVI Connector 235
- B Power Cord Set Requirements 236
- Country-Specific Requirements 237
- C POST Error Messages 238
- Audible Codes 245
- Safety and Comfort 249
- Helpful Hints 250
- Solving General Problems 252
- Solving General Problems 241 253
- Solving Power Problems 255
- Solving Diskette Problems 256
- Solving Diskette Problems 245 257
- Solving Hard Drive Problems 259
- Solving Display Problems 263
- Solving Display Problems 253 265
- Solving Audio Problems 267
- Solving Printer Problems 268
- Solving Printer Problems 257 269
- Solving Network Problems 273
- Solving Network Problems 263 275
- Solving Memory Problems 276
- Solving Processor Problems 277
- Solving Software Problems 283
- Contacting Customer Support 284
- Reference Designators 285
- F Specifications 291
- SFF Specifications 292
- USDT Specifications 293
Verwandte Produkte und Handbücher für PC / Workstation Barebones HP Compaq dc7900 USDT
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