Hi, Karl.
Very early in the Setup process, while the line of white rectangles is
across the bottom of your black screen, you should see - at the very bottom
of your screen, below those rectangles - the instruction to Press F6 to
install SCSI or other drivers. Press F6 (quickly; the invitation expires
soon!) and wait while Setup continues apparently unaware of your keypress.
Eventually, it should halt with instructions on your screen telling you how
to install the SATA drivers from a floppy diskette.
You DO have that floppy diskette with SATA drivers, don't you? There should
be a diskette in the box with the drive/controller card. Or a CD-ROM, from
which you can copy the drivers to a diskette. If not, you'll probably need
to download them from the hardware manufacturer's website.
This is not necessary for a hard drive that will be used only as a secondary
drive. For that usage, just install the drivers from Device Manager, like
any other hardware device. But, if you want to BOOT from the SATA drive,
you will have to let Setup integrate the drivers during installation of
WinXP.
SATA drives were not common when WinXP first went on sale in 2001, so
drivers for them were not included on the first WinXP CD-ROM. If SATA was
not pre-installed on your computer, you probably will need to use this F6
procedure to add the drivers. And don't lose the floppy after this first
installation; if you ever need to re-install WinXP for any reason, you
probably will need to use it again.
RC