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Boot parameters are Linux kernel parameters which are generally used to make sure that peripherals are dealt with properly. For the most part, the kernel can auto-detect information about your periph- erals. However, in some cases you’ll have to help the kernel a bit.
If this is the first time you’re booting the system, try the default boot parameters (i.e., don’t try setting parameters) and see if it works correctly. It probably will. If not, you can reboot later and look for any special parameters that inform the system about your hardware.
Information on many boot parameters can be found in the Linux BootPrompt HOWTO (http://www.tldp.org/HOWTO/BootPrompt-HOWTO.html), including tips for obscure hardware. This section contains only a sketch of the most salient parameters. Some common gotchas are included below in Section 5.4.
5.3.1. Boot console