------------------------------------------------------------------------------------------------ Device Interface Comments ------------------------------------------------------------------------------------------------ RFA (Resident linear or paged "roll your own" disk, typically has flash Flash Array) memory mapped mapped into the CPU's address space and soldered on board ------------------------------------------------------------------------------------------------ DiskOnChip memory mapped http://www.m-sys.com DIP 8/16-bit parallel modular, requires only a chip select and standard memory read/write strobes ------------------------------------------------------------------------------------------------ ATA PC Card memory or I/O http://www.pc-card.com mapped ATA removable, requires socket and PCMCIA or ATA controller ------------------------------------------------------------------------------------------------ Flash PC Card memory mapped http://www.pc-card.com 8/16-bit parallel removable, requires socket and PCMCIA controller ------------------------------------------------------------------------------------------------ CF (Compact memory or http://www.compactflash.org Flash Socket) I/O mapped ATA removable, requires socket and PCMCIA or ATA controller ------------------------------------------------------------------------------------------------ IDE/SCSI http://www.m-sys.com 1.3" ATA drop in replacement for standard hard disks 1.8" ATA requires IDE or SCSI controller and cables 2.5" ATA/SCSI 3.5" ATA/SCSI ------------------------------------------------------------------------------------------------ SmartMedia 8-bit mixed data http://www.pc-card.com SSFDC and address, http://www.ssfdc.or.jp Socket sequential access removable, requires socket and controller or special interface hardware ------------------------------------------------------------------------------------------------ SD 4-bit parallel, http://www.sandisk.com (Secure sequential removable, requires socket and controller Digital) access or special interface with hardware ------------------------------------------------------------------------------------------------ Memory Stick 1-bit serial http://www.sony.com removable, requires socket and controller or special interface with hardware -------------------------------------------------------------------------------------------------