
Chapter 3. Installing Red Hat Linux 55
3.20.4. SMP Motherboards, GRUB, and LILO
This section is specific to SMP motherboards only. SMP, short for Symmetric Multiprocessing, is a
computer architecture providing fast performance by making multiple CPUs available to complete
individual processes simultaneously (multiprocessing).
If the installation program detects an SMP motherboard on your system, it will automatically create
two boot loader entries.
Note
Intel® Pentium® 4 systems with hyperthreading will have an SMP kernel installed by default.
The two GRUB entries will be Red Hat Linux (kernel version) and Red Hat Linux
(kernel version-smp). The Red Hat Linux (kernel version-smp) will boot by default.
However, if you have trouble with the SMP kernel, you can elect to boot the Red Hat Linux
(kernel version) entry instead. You will retain all the functionality as before, but you will only
be operating with a single processor.
The two LILO entries will be linux and linux-up. The linux entry will boot by default. However,
if you have trouble with the SMP kernel, you can elect to boot the linux-up entry instead. You will
retain all the functionality as before, but you will only be operating with a single processor.
3.21. Network Configuration
If you do not have a network device, you will not see this screen. Skip ahead to Section 3.22.
If you have a network device and you have not already configured your networking (such as booting
from a network boot disk you created and entering in your network information as prompted), you
now have the opportunity (as shown in Figure 3-17) to do so.
Figure 3-17. Network Configuration
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