Acer AcerNote Light User Manual page 68

The system supports PCMCIA cards such as fax/data modem, LAN, audio,
SCSI cards and ATA drives. Memory cards include flash memory and
SRAM. Before using the slot, you need to load the PCMCIA driver which
initializes and prepares the slots for use. Refer to the PCMCIA driver utility
information in Appendix D for more details.
Removable Hard Disk Drive
The notebook supports a high-capacity, 12.5mm-high, 2.5-inch hard disk
drive that is easy to upgrade. See section 3.2 for details.
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