System Resource Specifications - HP Compaq Presario,Presario CQ42-121 Maintenance And Service Manual

System resource specifications

You can use Device Manager to get a graphical view of the system resources that control how the
devices work on the computer. System resources you can access from Device Manager are direct
memory access (DMA) channels, input/output (I/O) ports, interrupt request (IRQ) lines, and memory
addresses.
If two devices require the same resource and create a device conflict, you can manually change the
resource settings in Device Manager to be sure each setting is unique.
CAUTION:
computer to malfunction or become inoperable. Only users who have expert knowledge of computer
hardware and hardware configurations should change resource settings.
To view resource settings in Windows 7 and Windows Vista:
1. Select Start > Computer.
2. Click System properties near the top of the Computer folder.
3. On the left, click Device Manager.
4. On the View menu, click one of the following:
●
Resources by type
●
Resources by connection
To view resource settings in Windows XP:
1. Select Start > My Computer, or double-click My Computer on the desktop.
2. Under System Tasks, click View system information.
3. In the System Properties window, select the Hardware tab.
4. Click Device Manager.
5. On the View menu, click one of the following:
●
Resources by type
●
Resources by connection
112 Chapter 6 Specifications
Improperly changing resource settings can disable your hardware and cause your
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