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SUSE LINUX Documentation - Index of

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2.4.6 Hardware Information<br />

Display detected hardware and technical data using Hardware → Hardware Information.<br />

Click any node <strong>of</strong> the tree for more information about a device. This module is especially<br />

useful, for example, when submitting a support request for which you need information<br />

about your hardware.<br />

Save the hardware information displayed to a file by clicking Save to File. Select the<br />

desired directory and filename then click Save to create the file.<br />

2.4.7 IDE DMA Mode<br />

Activate and deactivate the DMA mode for your IDE hard disks and your IDE CD and<br />

DVD drives in the installed system with Hardware → IDE DMA Mode. This module<br />

does not have any effect on SCSI devices. DMA modes can substantially increase the<br />

performance and data transfer speed in your system.<br />

During installation, the current <strong>SUSE</strong> Linux kernel automatically activates DMA for<br />

hard disks but not for CD drives, because default DMA activation for all drives <strong>of</strong>ten<br />

causes problems with CD drives. Use the DMA module to activate DMA for your<br />

drives. If the drive supports the DMA mode without any problems, the data transfer<br />

rate <strong>of</strong> your drive can be increased by activating DMA.<br />

NOTE<br />

DMA (direct memory access) means that your data can be transferred directly<br />

to the RAM, bypassing the processor control.<br />

2.4.8 Joystick<br />

Configure a joystick connected to the sound card with Hardware → Joystick. Select<br />

your joystick type in the list provided. If your joystick is not listed, select Generic<br />

Analog Joystick. After selecting your joystick, make sure that it is connected then click<br />

Test to test the functionality. Click Continue and YaST installs the required files. After<br />

the Joystick Test window appears, test the joystick by moving it in all directions and<br />

pressing all buttons. Each movement should be displayed in the window. If you are<br />

System Configuration with YaST 45

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