Windows Mac installation

# 1

Insert the first OS X Install Disc into the CD-ROM drive of a computer other than the laptop on which you wish to set up the OS. The Install Assistant appears on the screen.
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Step 2

Double-click the hard drive icon on the other computer if it is a Mac. If it is a PC with Windows, skip to Step 3. Open Applications and double-click Utilities. Launch the Remote Install Mac OS X application.
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Step 3

Click Remote Install Mac OS X in the installation window on the screen if the other computer is a Windows PC. If the other computer is a Mac, refer back to Step 2.
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Step 4

Click Continue in the Remote Install Mac OS X application. Click the icon for the OS disc in the CD-ROM drive and click Continue a second time.
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Step 5

Choose an available network connection from the list of wireless and wired (e.g. Ethernet) networks and press Continue.
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Step 6

Open the Mac laptop on which you wish to set up the OS without a CD-ROM drive. Click the Apple icon in the top left-hand corner of the screen and select Restart. Hold down the Option key on your laptop's keyboard while it is restarting. A list of possible start-up disks will appear on the screen during the rebooting process.

Source http://www.ehow.com/how_4895785_setup-os-laptop-cdrom-drive.html