IDE and SATA standards Group: Hoàng Thị Thanh Nhàn Hoàng Thị Lan Chung Đinh Thị Bình

Outline 1. Definition + Structure 3. Comparison between IDE & SATA 4. The Aim+ Compatibility + Application of IDE and SATA standard

Definition What is IDE?  IDE or EIDE: Enhanced Integrated/Intelligent Drive Electronics  An ATA specification (the terms are often used interchangeably)  Most common disk interface for hard drives, CD-ROM drives  hard drives that use parallel signaling.

What is SATA? Serial Advanced Technology Attachment) Is an evolutionary replacement for the Parallel ATA physical storage interface based on serial signaling technology

Structure of IDE - 40 pins arranged parallel, 80-wire cable - Jumper:10 pins for master/slave/cable select - Length of the IDE cable 45,72 cm

Structure of SATA speed data transfer to 150 MB / s SATA data cable has two flat 7 plug pins Length of the SATA cables can be up to 1 meter

IDE vs SATA Interface Power Connection Data Transfer Rates Command Queuing Hot Swapping

Interface IDE and SATA drives are not interchangeable without an adapter. IDESATA uses a 40-pin ribbon cable that can connect up to two drives SATA uses a much smaller 7-pin cable that will only allow for one drive connection runs in parallel (data are sent in groups as compared to serial connections with a single stream of data. The receiving end will have to wait for all streams of data to arrive before it can be processed) runs in serial (data streamed with just one connection and eliminate the delay)

Power Connection IDESATA uses a standard 4- pin Molex power connection found on virtually all computer power supplies uses a new power connection that has a 15-pin connector (Instead of the standard 5v or 12v in the Molex connector, SATA power connectors also have a 3.3v line. The SATAs' new power connector also allows for hot-plugging or plugging in the power while the computer is on. This is accomplished by having a ground contact that is longer so it connects first.

Data Transfer Rates IDESATA ranges in data transfer rates from 100 MB/s to 133 MB/s ranges in data transfer rates of 150 MB/s for SATA I and 300 MB/s for SATA II

Command Queuing IDESATA operates on a FIFO method for handling commands perform commands in the order that they are received. has multiple commands within the drive simultaneously. store commands up to perform them in a much more logical path based on speed and performance instead of which command was first

Hot Swapping IDESATA can only be used as a hot swappable drive if they are used inside of a hot swappable adapter. IDE drives do not have this functionality built in uses a new type of power connector, they are able to be plugged in while the computer or power supply is on

The Aim of SATA standard Make a HDD :  using low voltage  Use much lower signal voltage levels  Less wire  Taking less place in PC  Increase the spread speed

The aim of IDE standard - Make a controller that suitable to ST506 standard - Catching Track ability - Separate the controller out of the interface standard

Compatibility of IDE IDE interface compatible with the IBM controller Primarily desktop interface is IDE exposed 10 years ago PCI EIDE controller card Windows 2000/XP/2003/Vista CRC error checking function  only be performed on the data being transmitted back

Compatibility SATA PCI SATA controller card Windows 2000/XP/2003/Vista Integrated SATA CRC on both levels of command and data packets

SATA and IDE application Great for transferring data between IDE devices and Serial ATA HD Ideal for business and enterprises using a combination of IDE and Serial ATA HD Make the best HDD for PC Make USB SATA/ IDE ( pocket HDD)

Conclusion Definition and structure of IDE and SATA Comparison between IDE and SATA The aim of 2 standard- Compatibility application

Q & A

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