Siemens PC 870 Operations Instructions Page 138
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- Table of contents
- TROUBLESHOOTING
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Detailed descriptions
15.5 BIOS Setup
Panel PC 870 V2, Computer Unit
15-42 Operating Instructions, Edition 03/2004, CD Documentation and Drivers
15.5.6 Security menu
You can only edit the fields enclosed in square brackets. Two passwords can be assigned to
protect your PC from unauthorized use. The supervisor password can be used to prevent
access to the floppy disk drive for normal users and to restrict access to the hard disk drive.
Figure 15-16 Security Menu
Disabled The password is disabled.
Enabled Certain Setup fields are thus configurable by the
user, including the user password.
User Password is
The field resets automatically from [Disabled] to [Enabled] when
the password is entered.
Set Supervisor Password This field opens the dialog box for entering a password. Once it
has been entered, the supervisor password can be changed or
deleted by pressing ”Return” and thus deactivated.
Set User Password This field opens the dialog box for entering a password. Once it
has been entered correctly, the user password can be changed or
deleted by pressing ”Return” and thus deactivated.
[Disabled] No password required for system boot. Password on boot
[Enabled] Supervisor or user password must be entered for
system boot.
[Normal] All types of hard-disk access are permitted. Fixed disk boot sector
[Write
protect]
the user can not install an operating system. This is
a way of protecting against boot viruses.
This mode of protection is not enabled unless "Password on boot "
is [enabled].
Floppy disk drive access
[Supervisor] Diskette access is not possible unless the
supervisor password was entered during system
boot.
- SIMATIC PC 1
- Panel PC 870 V2 1
- Computer Unit 1
- Table of contents 3
- Table of contents 5
- Preface 7
- 1.1 This manual 8
- Conventions 9
- Trademarks 9
- 1.2 Further Support 10
- A&D Technical Support 11
- 2.1 Safety information 13
- Battery 14
- 2.2 General notes 15
- Description 17
- 3.3 Features 18
- Description 19
- 3.3 Features 19
- Planning use 21
- Procedure 22
- Planning use 23
- Range of validity 25
- Installation 27
- 5.2 Dimensions 28
- Connecting 29
- 6.2 Interfaces 30
- AC power supply 31
- 6.3 Equipotential bonding 32
- Connecting 33
- 6.5 Connecting I/O modules 34
- Principle 35
- Localized information 35
- For USA and Canada: 36
- 120V power supply 36
- 230V power supply 36
- Commissioning 39
- 7.3.1 Releases 40
- 7.3.2 Windows 2000 40
- 7.4 USB 41
- Simplified block diagram 42
- Operation 43
- 8.2 Floppy drive 44
- Integration 45
- Interconnection 46
- Hardware requirements 46
- Integration 47
- Functions 49
- 10.3 Watchdog (WD) 50
- 10.4 Fan monitoring 50
- Functions 51
- Maintenance and servicing 53
- 11.1.2 Open the device 54
- Memory expansion options 55
- Preparation 55
- Installing the memory module 56
- Removing a memory module 56
- Maintenance and servicing 57
- Inserting the slider 58
- 11.1.5 Disk drives 59
- Remove the hard disk bay 60
- Disposal 65
- Replacing the battery 66
- BIOS Setup readjustment 66
- 11.2 Installing software 68
- Recovery CD: 69
- Restore CD: 69
- 11.2 Installing software 70
- 11.2 Installing software 71
- Factory state restoring 72
- Windows 2000 Setup sequence 72
- Introduction 76
- Booting from the slave drive 77
- New software installation 77
- 12.1 Boot error messages 79
- 12.2 BIOS beep codes 80
- 12.2 BIOS beep codes 81
- 12.2 BIOS beep codes 82
- Troubleshooting and FAQs 85
- 13.3 Temperature error 86
- Specifications 87
- 14.1 Specifications 88
- Specifications 89
- 14.1 Specifications 89
- Standard system 90
- 14.1.3 AC power supply 91
- 14.1.4 DC power supply 92
- 14.2 Dimensional drawings 93
- 14.2 Dimensional drawings 94
- 14.2 Dimensional drawings 95
- Interfaces 98
- 15.1.3 External ports 99
- Parallel port LPT1, X134 100
- PS/2 mouse port, X22 101
- PS/2 keyboard port, X23 101
- USB ports, X36 102
- PROFIBUS/MPI interface, X400 102
- DVI interface, X303 103
- 15.1.4 Front interfaces 104
- Detailed descriptions 105
- 15.1 Motherboard 105
- Detailed descriptions 106
- 15.1 Motherboard 106
- 15.1.5 Internal interfaces 108
- 15.2 Bus board 112
- 15.2 Bus board 113
- Overview 114
- ISA slot pin assignment 115
- PCI slot pin assignment 116
- 15.3 Cables 118
- 15.4 System resources 118
- 15.4 System resources 119
- 15.4 System resources 120
- 15.5 BIOS Setup 123
- 15.5.3 BIOS Setup menus 124
- 15.5.4 Main menu 125
- Settings in the main menu 126
- 15.5 BIOS Setup 127
- 15.5 BIOS Setup 128
- 15.5.5 Advanced menu 133
- Internal printer port LPT1 135
- 15.5.6 Security menu 138
- 15.5.7 Power menu 139
- 15.5.8 Boot menu 140
- 15.5.9 Version menu 141
- 15.5.10 Exit menu 142
- BIOS Setup-Defaults 143
- Appendix 147
- Appendix 149
- 16.1.3 ESD guideline 150
- 16.2 Abbreviations 153
- 16.3 Glossary 154
- 16.3 Glossary 155
- 16.3 Glossary 156
- Index 164
- Index 165
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