Glossary Appendix A
Seagate Travan 40 Product Manual Page 129
UL Underwriter's Laboratories, Inc.
UDMA See ULTRA DMA.
ULTRA DMA An ATA protocol for DMA transfers that can achieve data rates up to
33.3 MB/sec.
ULTRA SCSI A SCSI protocol for high speed data transfers
ULTRA33 See ULTRA DMA.
UNCORRECTED
BIT ERROR
RATE
The probability of a bit being in error, without using any error correction
techniques.
UNDERRUN A condition developed when the host transmits or receives data at a
rate less than required by the device for streaming operation.
VDE Verband Deutscher Electrotechniker
VOLUME This documentation refers to each disc, floppy or hard, as a volume.
These volumes may be backed up onto tape, creating tape volumes.
X3T13 The full identifier of the T13 committee.