Hi Jimmy,
Read this:
"• The E-80 can use commercially available CompactFlash and Smart-Media memory cards. You can purchase such cards at a computer
shop or digital camera dealer.
• Memory cards you purchase must meet the following conditions.
• Power supply voltage: 3.3V
• Capacity: 4, 8, 16, 32, 64, 128, 256, 512MB, 1GB, 2GB, 4GB (2GB and 4GB only with Microdrive)
• The E-80 cannot use cards of types other than the above."

Additional to this 2GB SanDisk Ultra II CompactFlash can be used with E80 Version 2.