- The
Ultra DMA (
Ultra Direct Memory Access, UDMA)
modes are the
fastest methods used to
transfer data
through the ATA hard disk interface,
usually between...
-
include the 82441FX and the 82442FX. The 440FX
chipset does not
support UltraDMA, SDRAM, or AGP. The
chipset contains the
northbridge chip "440FX PCIset...
-
introduced several "
Ultra DMA"
transfer modes.
These initially supported speeds from 16 to 33 MB/s. In
later versions,
faster Ultra DMA modes were added...
- browser,
DriveSpace compression, OpenGL, DirectX, FAT32 file
system support,
UltraDMA mode for disk drives,
Universal Serial Bus, IEEE 1394 (FireWire), and Accelerated...
- read,
results in 15.63 MB/s. The next
fastest bus cycle, 32-bit ISA-style
DMA write,
yields only 6.67 MB/s.
Other transfers may be as low as 2 MB/s. y...
- and
other enhancements CompactFlash Revision 6.0 (November 2010)
added UltraDMA Mode 7 (167 MB/s), ATA-8/ACS-2
sanitize command, TRIM and an
optional card...
- 200-rpm ATA hard drive,
Medalist Pro 6530 and
Medalist Pro 9140 1998 –
UltraDMA/33 and
ATAPI standardized 1999 – IBM
releases the
Microdrive in 170 MB...
- The
motherboard also
features two
extra HDD ports, one with the HPT366
Ultra DMA/66
adapter ****ed on the
mainboard itself. This
allows up to
eight IDE...
-
higher MTBF.
Around 1997, with the
introduction of ATAPI-4 (and thus
Ultra-
DMA-Mode,
which enabled fast data
transfers with less CPU utilization) the...
-
requirements for data
transfer to and from the hard
drive led to an "
ultra DMA" mode,
known as UDMA.
Progressively swifter versions of this standard...
