As long as you have an open bay of the right size, just the hard drive is all you should need, maybe two screws. If you don't have an open bay, you can use an external hard drive that just plugs into a USB port.
The BIOS has not been configured to detect a second hard drive
If the Hard drive is IDE (40 pins on the back) you would configure the primary hard drive as Master and secondary hard drive as Slave using the jumpers on the back of the hard drive.
The hard drive in a computer is hardware.
A computer hard disk or hard drive (fixed disk) is hardware.
The hard drive in a computer is hardware.
Make sure hard drive is connected and configured correctly in the bios as the Master drive. If the hard drive came from another computer, which i expect it probably did you will have to find a Windows XP disc, Serial Number and Install a clean version of XP on it. When you take a drive from another machine it won't work because the drivers that have been installed from the previous hardware are still present and there is no drivers for the new hardware as you didn't install the OS on the drive connected to that hardware.
There's no hard limit on the number of operating systems you can install. The limit will be dictated by the number of operating systems that support your hardware and the amount of space on your hard drive(s).
What are the prosiejers to install a hard drive besides the computers motherboard
Hard disk drive.
You Format the Hard Drive then re install a operating system
Assuming this is Apple hardware... insert the installation disc and select drive you want to install on. Once installed hold down the alt key while starting up and select the drive you want to boot from.
its hard ware hence the name hard drive Anything you can physically touch and grab is a hardware. So called 'programs' or 'applications' are softwares.