well actually it's not trouble install it's trouble with cfdisk ....dam thing gives me a fatal error and even when i install my hd on windows (hope that word isn't banned on here hehe) i have to install my controler card as thrid party card just for it to work with slack...and my bios don't allow my hdd (sata) to run in compabilty mode (my bios are pretty much outdated but can't find a update for it) i also made the partitions with part magic made the swap and the ext 2 part

my comp specs are...
CPU Type Intel Pentium 4, 1500 MHz
Motherboard Name Hewlett-Packard HP WMTA System Board
Motherboard Chipset Intel Tehama i850(E)

Controler card is
Driver Description WinXP Promise SATA150 TX Series (tm) IDE Controller
and my hdd is a
Manufacturer Seagate
Hard Disk Name Barracuda 7200.7 SATA 120026

if anymore info is needed plz state it =/

well i'm not an expert but my first guess would be the setup of your hard drive. not sure if cfdisk, or slack for that matter, likes sata drives. second, the fact that you said your bios is outdated, i would really try to find an update for it.

also if you already made the partitions with partition magic you can skip the cfdisk part of the setup and just run setup after booting with the slack cd. it will see the linux partitions and ask you where you want your swap partition and then where you want to mount any other partition

hope that helps