New CPU’s have between 4MB and 8MB of Cache Memory on them and that is all that Windows 95 required to run (and you did not even need a CD rom):

System requirements for installing Windows 95:

• 4 megabytes (MB) of memory (8 MB recommended)
• 386DX or higher processor (486 recommended)
• Typical hard disk space required to upgrade to Windows 95: 35-40 MB The actual requirement varies depending on the features you choose to install.
• Typical hard disk space required to install Windows 95 on a clean system: 50-55 MB The actual requirement varies depending on the features you choose to install.
• One 3.5-inch high-density floppy disk drive
• VGA or higher resolution (256-color SVGA recommended)

   Install Option   Disk Space Used After Setup
   ——————————————–
   Compact          40.8 MB
   Portable         43.9 MB
   Typical          44.2 MB
   Custom           76.2 MB

http://support.microsoft.com/kb/138349