1-10 Product Description
1.3.15 System Security
The system BIOS provides a power-on password option that is enabled through the Setup program.
The computer includes a cable lock provision that makes it possible to lock the computer cover in
place to prevent unauthorized access to the system jumpers and other internal components (a padlock
is not included). For more information on this and additional security features, refer Chapter 2,
“Compaq Utilities.”
1.3.16 Keyboard/Mouse Controller
The onboard 8042 I/O controller stores the keyboard and mouse controller code. Connectors for the
keyboard and mouse are located on the back panel.
1.3.17 Real-Time Clock and CMOS RAM
The onboard I/O controller provides a real-time clock and CMOS RAM. Chapters 5 and 6, “Removal
and Replacement,” provide information about installing a new battery.
You can set the time for the clock and the CMOS values by using the Setup program described in
Chapter 2, “Compaq Utilities.”
1.3.18 Power Supply Fan
For cooling, a fan is incorporated as part of the power supply at the rear of the computer chassis. The
fan draws air in through the front of the chassis and exhausts air out the rear of the chassis. This
provides adequate air flow across the processor.
To insure that the processor in a Pentium II minitower system receives adequate ventilation, an
internal air duct is installed in the front of the unit.
1.3.19 Speaker
An internal piezo speaker is mounted on the system board. The speaker provides audible error code
information (beep codes) during the Power-On Self-Test (POST) and as required by the software. See
Appendix F, “POST Error Messages,” for beep code information.
1.3.20 Software
The Pentium computer configurations are shipped with Windows 95 installed as the operating
system. The Pentium II configurations ship with Windows NT 4.0 as the operating system.
Preloaded Software
The following Compaq software is preloaded on the computer:
■
Partition-based Compaq Diagnostics utilities
■
Compaq Diagnostics for Windows
■
Compaq Insight Management Agent
■
Desktop Management Interface (DMI) Support
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