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PRODUCT DESCRIPTION
2 – 2
Product Features
Functional / Interface
Maxtor DiamondMax™ 4320 hard drives contain all necessary mechanical and electronic parts to interpret control
signals and commands from an AT-compatible host computer. See Section 3 Product Specifications, for complete
drive specifications.
Zone Density Recording
The disk capacity is increased with bit density management – common with Zone Density Recording. Each
disk surface is divided into 16 circumferential zones. All tracks within a given zone contain a constant
number of data sectors. The number of data sectors per track varies in different zones; the outermost zone
contains the largest number of data sectors and the innermost contains the fewest.
Read/Write Multiple Mode
This mode is implemented per ANSI ATA/ATAPI-4 specification. Read/Write Multiple allows the host to
transfer a set number of sectors without an interrupt request between them, reducing transfer process
overhead and improving host performance.
UltraDMA - Mode 2
Maxtor DiamondMax 4320 hard drives fully comply with the new ANSI Ultra DMA protocol, which greatly
improves overall AT interface performance by significantly improving burst and sustained data throughput.
Multi-word DMA (EISA Type B) - Mode 2
Supports multi-word Direct Memory Access (DMA) EISA Type B mode transfers.
Sector Address Translation
All DiamondMax 4320 drives feature a universal translate mode. In an AT/EISA-class system, the drive may
be configured to any specified combination of cylinders, heads and sectors (within the range of the drive's
formatted capacity). DiamondMax 4320 drives power-up in a translate mode:
LEDOMLYCDHTPSenoZLmocPWABLXAMYTICAPAC
8D82719384,336136)*()*(468,057,33BM082,71
7D21519892,926136)*()*(483,235,92BM021,51
6D30319942,526136)*()*(299,054,52BM030,31
5D08019829,026136)*()*(424,590,12BM008,01
4D54809383,616136)*()*(460,415,61BM554,8
3D84609655,216136)*()*(844,656,21BM084,6
2D23409473,86136)*()*(299,044,8BM023,4
(*) The fields LZone (Landing Zone) and WPcom (Write Pre-comp) are not used by the Maxtor hard drive
and the values may be either 0 or the values set by the BIOS. All capacities listed in the above table are based
on 10
6
or one million bytes.