HP (Hewlett-Packard) QW778AAR#ABA Personal Computer User Manual


 
Copyright and License
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Development Company, L.P. The information
contained herein is subject to change
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Understanding hard disk drive space
The hard disk drive on the Hewlett-Packard
and Compaq computers with the Microsoft®
Windows® operating system preinstalled
may appear to be smaller than the size
stated in the product specifications, in the
documentation, or on the box. Hard disk
drives are described and advertised by
manufacturers in terms of decimal (base 10)
capacity. Microsoft Windows and other
programs, such as FDISK, use the binary
(base 2) numbering system.
In decimal notation, one megabyte (MB) is
equal to 1,000,000 bytes, and one
gigabyte (GB) is equal to 1,000,000,000
bytes. In the binary numbering system, one
megabyte is equal to 1,048,576 bytes, and
one gigabyte is equal to 1,073,741,824
bytes. Because of the different measuring
systems, you may see a difference between
the size reported by Microsoft Windows and
the size advertised. The storage capacity of
the hard disk drive is as advertised.
Microsoft Windows reports smaller capacity
in the Windows Explorer tool and in the
computer window because it shows
information about one partition on the hard
disk drive at a time. One of the partitions
contains the System Recovery information.
Note about systems configured with
4 GB of memory
For computers with a 32-bit operating
system, all memory above 3 GB may not be
available because of system resource
requirements.
This limitation is not limited to HP and
Compaq systems. The memory above 3 GB
is used for system resources.
Confirming total memory
The system BIOS displays the full 4 GB of
installed memory.
1. Turn on the PC.
2. Press F10. The BIOS menu is displayed.
Confirm the Total Installed Memory.
Part Number: 671281-001