New Install

[Joe]

I am trying to install Official Debian 2.0 in my 48ram, 166meg, P.B.
system. I get to (A)ccess, It asks me for "Where to install from" with
chooses of CD, Floppy, Ect. When I choose CD-ROM, I go into a screen
that asks for CD, and block device. I don't know what a block device is,
or what my CD-ROM drive is. Any help?