backward compatible

backward compatible

backward compatible

Hardware or software that is compatible with earlier versions of the product. Also called "downward compatible." Contrast with forward compatible.
References in periodicals archive ?
One of the keys to DVD's success is that current DVD drives are backward compatible and can read CDs.
The new memory cards, introduced in two formats full size and reduced size under the respective brands MMCplus and MMCmobile, are backward compatible with the MMC card as the conventional MMC host will configure and adjust to the new interface.
Iomega says the Zip 750MB drive is backward compatible with 100MB (read-only) and 250MB (read and write) disks, but when we tried to read our older 100MB disks we discovered that the drive wasn't always able to do so.
After an exhaustive nine-month effort, the group settled on 8GFC as the most effective path to meet the cost-sensitive, backward compatible market requirements of Fibre Channel disk drives.
A: Ultra2 SCSI, Ultral60 SCSI, or Ultra32O SCSI devices are backward compatible with the; single ended (SE) SCSI bus as long as the interface is the multimode LVD (also called LVD/MSE) interface.
The 9000 Series switches are backward compatible, allowing each port to run at either 1 or 2 gigabit speeds.
The customers' investment is preserved because the 73GB disc drives are backward compatible with Eurologic Systems' products--the XL500 SCSI, XL500 Fibre, XL 600 SCSI, and Voyager SCSI Enhanced.
Ultra160 devices are backward compatible with Ultra2 controllers, but will run at the Ultra2 SCSI controller speed or 80MB/sec peak.