disk cache

(redirected from Cache buffer)
Also found in: Dictionary, Thesaurus.
Related to Cache buffer: disk cache, Cache hit

disk cache

[′disk ‚kash]
(computer science)
A portion of random-access memory that contains the data most recently read from or written to the disk, allowing rapid access by the central-processing unit.

disk cache

A section of main memory or memory in the disk controller that bridges the disk and CPU. For more details, see cache.
References in periodicals archive ?
The DiamondMax 40 also uses Maxtor DualWave twin processor technology for a 10x boost in host command processing speed, 2 MB of high speed 100 MHz SDRAM for the cache buffer, and an UltraDMA 66 interface for up to 66 MB per second transfer rates.
The large record size was 8192 bytes, the size of a file system block and cache buffer. These record size choices are reasonable [Nieuwejaar et al.
The new upgradable cache buffer (2 MB standard, upgradable to 8 MB or 32 MB) eliminates the need for hard disk caching on every PC platform.
The cache has doubled - the WD7500BPKT has a 16 MB cache buffer. Additionally the platters spin at 7,200 rpm - this puts the WD7500BPKT in a league of its own as far as notebook drives go, since its platters rotate at the same speed as the much larger desktop drives.
The disk storage inside basically acts like a "cache buffer" to the tape subsystem by emulating virtual tape drives.
The device also can be used in cache buffers, configuration storage memories and other applications that require speed, endurance and non-volatility.
Additionally, the RAID controller can add performance enhancements to the system through the use of CTQ handling and specialized segmented cache buffers for video-streaming applications.