The option you're referring to is similar to the AGP addressing, but for 
ancient ISA bus systems.
Specifically, the ISA LFB Size is the Logical Frame Buffer size, and 
would need to match what
you have installed for your ISA video card.  If your card doesn't 
require this, then leave it at the
factory default.
The base address is tied to the buffer size, and is dependent on the 
chipset, don't worry about it.
Video Palette Snoop is something old BIOS's did to improve video 
performance.  If you don't know
what it is, safest thing is to leave it at factory default.
Latency Timer is specific to your BIOS, but probably modifies RAM or 
Video timing, and should
be left alone unless you're really sure what you're changing it for.

Mikey wrote:

>My older computer we were talking about last night isn't a 386 or a 486 but 
>rather a pentium.
>
>Maybe I couldnt ge Umbuntu goig because the 'advanced chipset configuration' 
>is wrong.
>
>What is 'ISA LFB Size'? It is set to 'disabled'. The options to set it to is 
>1, 2, or 4 MB. The next option (ISA LFB Base Address) can not be changed; 
>however, when I change ISA LFB Size it changes to 15, 14, and 12 
>(respectively).
>
>The following options are 'Video Palette Snoop' and  'Latency Timer'. What are 
>these?
>
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