Problems When Using Modules Of Third-Party Manufacturers - Siemens SIMATIC Rack PC 840 V2 Operating Instructions Manual

Troubleshooting

13.2 Problems when Using Modules of Third-party Manufacturers

Problem
USB device not
responding.
DVD: The front loader
does not open.
13.2 Problems when Using Modules of Third-party Manufacturers
13.2
Problem Possible causes
I/O addresses are assigned
The PC crashes •
twice.
during startup
Hardware interrupts and/or DMA
•
channels are assigned twice.
Signal frequencies or signal
•
levels are incorrect.
Connector assignments deviate.
•
"Reset Configuration" in BIOS
•
SETUP has not been carried
out.
If the performance of the
•
external 24 V power supply is
insufficient
13-2
Possible causes
The USB ports are
disabled in your BIOS.
USB 2.0 device
connected but USB 2.0 is
disabled.
Operating system does
not support the USB port.
The device is switched off
or the open/close button
is disabled by a software
application.
To correct or avoid error
Use a different USB port or enable the port.
Enable USB 2.0.
Enable USB Legacy Support for the mouse and keyboard.
For all other devices you need USB drivers for the specific operating
system.
Emergency removal of the data medium:
1. Switching off the device
2. Insert a pointed object, a pin for example, or an opened paper clip
into the emergency extraction opening of the drive. Apply slight
pressure to the contact until the front loader opens.
3. Pull the loader further out.
To correct or avoid error
Check your computer configuration:
If the computer configuration corresponds with factory state,
•
please contact your technical support team.
If the computer configuration has changed, restore the
•
original factory settings. Remove all third-party modules,
then restart the PC. If the error no longer occurs, the third-
party module was the cause of the fault. Replace this
module with a Siemens module or contact the module
supplier.
Force a "Reset Configuration" using the BIOS setup.
•
If the PC still crashes, contact your technical support team.
use a larger power supply.
•
Operating Instructions, Edition 05/2006, A5E00248055-04
SIMATIC Rack PC 840 V2