HP Vectra XU 6/XXX HP Vectra XU 6/XXX - Guide to Optimization Performance - Page 12

Do You Have Enough Memory?, If You Do Not Have Enough Memory - 200 memory

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This memory can be upgraded through installation of additional memory modules. Memory modules must be installed in pairs and can be ordered from HP in the following capacities: • 16 MB (two 8 MB modules) • 32 MB (two 16 MB modules) • 64 MB (two 32 MB modules). The maximum memory capacity of your PC is 256 MB. Refer to your PC's User's Guide for more information on installing memory. The memory modules used by your PC are 72-bits wide, comprising 64 bits of data and 8 bits of Error Correcting Code (ECC) data for increased data integrity. The ECC code is generated each time data is written to the memory and checked when the data is read from memory. The ECC code enables automatic correction of any single-bit data error that occurs. Do You Have Enough Memory? The ideal memory capacity for your PC is determined by the operating system and applications you use. If you frequently use multiple applications at one time, you will need more memory than if you use only single applications. Typical memory requirements for some operating systems are shown in the following table. These are based on the general requirement of the operating system running a typical application. If you use memory-hungry applications (for instance, a computer-aided design program), or frequently run multiple applications, your PC will require more memory than indicated below. Operating System Windows for Workgroups Windows NT Windows 95 OS/2 Warp Minimum Configuration 4 MB - 8 MB 12 MB 8 MB 4 MB - 8 MB Recommended Configuration 12 MB - 16 MB 24 MB - 32 MB 16 MB - 24 MB 16 MB There is no general formula for deciding how much memory you should install in your PC. Your need for memory is determined by the operating system you install and by the applications you want to use. If You Do Not Have Enough Memory If you do not have sufficient memory for the applications you are running, your PC will compensate by using hard disk space as virtual memory. Since your processor is able to access memory approximately 200 times faster than it can access a hard disk, the negative effect on performance is significant.

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This memory can be upgraded through installation of additional memory modules. Memory
modules must be installed in pairs and can be ordered from HP in the following capacities:
•
16 MB (two 8 MB modules)
•
32 MB (two 16 MB modules)
•
64 MB (two 32 MB modules).
The maximum memory capacity of your PC is 256 MB. Refer to your PC’s
User’s Guide
for
more information on installing memory.
The memory modules used by your PC are 72-bits wide, comprising 64 bits of data and 8 bits
of Error Correcting Code (ECC) data for increased data integrity. The ECC code is generated
each time data is written to the memory and checked when the data is read from memory. The
ECC code enables automatic correction of any single-bit data error that occurs.
Do You Have Enough Memory?
The ideal memory capacity for your PC is determined by the operating system and applications
you use. If you frequently use multiple applications at one time, you will need more memory
than if you use only single applications.
Typical memory requirements for some operating systems are shown in the following table.
These are based on the general requirement of the operating system running a typical
application. If you use memory-hungry applications (for instance, a computer-aided design
program), or frequently run multiple applications, your PC will require more memory than
indicated below.
Operating System
Minimum Configuration
Recommended Configuration
Windows for Workgroups
4 MB - 8 MB
12 MB - 16 MB
Windows NT
12 MB
24 MB - 32 MB
Windows 95
8 MB
16 MB - 24 MB
OS/2 Warp
4 MB - 8 MB
16 MB
There is no general formula for deciding how much memory you should install in your PC. Your
need for memory is determined by the operating system you install and by the applications you
want to use.
If You Do Not Have Enough Memory
If you do not have sufficient memory for the applications you are running, your PC will
compensate by using hard disk space as virtual memory. Since your processor is able to
access memory approximately 200 times faster than it can access a hard disk, the negative
effect on performance is significant.