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, . , - IDE (Integrated Device Electronics - ), ATA (AT Attachment - ). - SCSI (Small Computer System Interface, ""). , . CD-ROM , , .
IDE . :
. IDE LPT-. , , .
. , .
IDE- . - 40- ( AT-BUS). 16-. - PC Card ATA - PC Card (PCMCIA), 16- . . XT IDE MCA IDE, , XT , MCA PS/2 , .
, ATA . - CM ATA (Common Access Method) - ANSI. IDE- . . 46.
ATA-2 ATA. , 4- , 8. PIO Mode 3, DMA Mode 1, Block mode. .
Fast ATA-2. DMA Mode 2, 13.3 / PIO Mode 4. 486-x Pentium .
ATA-3. . SMART (Self Monitoring Analysis and Report Technology - , ).
Ultra DMA/33 - 33 /. . UDMA/66, 66 /, UDMA/100.
, , . . , , .
, ATAPI (ATA Package Interface). ATA CD-ROM, CDRW, ( ), ZIP .
.
, . PIO (Programmed Input/Output - -) - , . , , - . PIO, . PIO Mode 0 3,3 /. PIO Mode 5 20 /. 0 2 ATA, 3 4 - ATA-2, 5 ATA-3.
DMA (Direct Memory Access - ). , . DMA (single word) (multi word), . , 8.3 /. - 20 /. . , .
, MS-DOS PIO, DMA. .
LBA (Logical Block Addressing) - . ATA - , . , - , BIOS DOS (63) (1024). 540. LBA, . , . , DOS 8. (BIOS) .
Large - Award BIOS 1, LBA. 1 .
Block Mode - . , , , , . , , , . , . . , ( ), .
, IDE . IDE- . Master (), - Slave (). . IDE-, , . , Master . slave master . , BIOS .
- Cable Select. , master slave . CS.
, . SCSI .
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