HP 4400C HP Scanjet 4400C/5400C Series Scanner Windows - (English) Setup and S - Page 18

Windows 95, and Windows Me, Start, Settings, Control Panel, System, Device Manager, Scanners

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Page 18 highlights

18 Installing and troubleshooting A resource conflict occurs when a problem exists with internal connections. Resource conflicts can include either Input/Output (I/O) or Interrupt Request Lines (IRQ) conflicts. An I/O base (Input/Output) conflict occurs when a request is made for a certain resource, and a resource problem prevents that request from being granted. Interrupt Request Lines (IRQs) are hardware lines over which devices can send interrupt signals to the microprocessor. When you add a new device to a computer, you sometimes need to set its IRQ number by setting a DIP switch. This specifies which interrupt line the device can use. An IRQ conflict occurs when multiple requests are made for the same resource. Check for resource (I/O base and IRQ) conflicts in the Device Manager. Windows 95, Windows 98, and Windows Me: 1 On the Start menu, point to Settings, and click Control Panel. 2 Double-click the System icon. 3 Click the Device Manager tab. 4 Double-click Scanners (Windows 95) or Imaging Device (Windows 98 and Me). 5 Look for an exclamation point in front of the scanner name. The exclamation point indicates a resource conflict. Note: For some computers, the sound card might be trying to share an IRQ with the LPT port. If that is the case, select the Sound Card in the Device Manager, and then click Properties to change its resource settings so that the sound card uses a separate IRQ. For more information regarding these settings, see the documentation provided with your computer.

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18
Installing and troubleshooting
A resource conflict occurs when a problem exists with internal connections.
Resource conflicts can include either Input/Output (I/O) or Interrupt Request Lines
(IRQ) conflicts.
An I/O base (Input/Output) conflict occurs when a request is made for a certain
resource, and a resource problem prevents that request from being granted.
Interrupt Request Lines (IRQs) are hardware lines over which devices can send
interrupt signals to the microprocessor. When you add a new device to a computer,
you sometimes need to set its IRQ number by setting a DIP switch. This specifies
which interrupt line the device can use. An IRQ conflict occurs when multiple
requests are made for the same resource. Check for resource (I/O base and IRQ)
conflicts in the Device Manager.
Windows 95, Windows 98, and Windows Me:
1
On the
Start
menu, point to
Settings
, and click
Control Panel
.
2
Double-click the
System
icon.
3
Click the
Device Manager
tab.
4
Double-click
Scanners
(Windows 95) or
Imaging Device
(Windows 98 and
Me).
5
Look for an exclamation point in front of the scanner name. The exclamation
point indicates a resource conflict.
Note:
For some computers, the sound card might be trying to share an IRQ with
the LPT port. If that is the case, select the
Sound Card
in the Device
Manager, and then click
Properties
to change its resource settings so
that the sound card uses a separate IRQ. For more information regarding
these settings, see the documentation provided with your computer.