SATA Hard drive technique collections

Ask:Hear that the function of the hard drive of SATA is better, can introduce the development process of the hard drive of SATA?

Answer:SATA( the Serial ATA), namely the string goes the ATA to connect, it is a kind of new hard drive to connect a people's technique to be lead off by the Intel company to put forward in 2000 beginning of years.Although with the tradition proceed together ATA saving the equipments compare, the hard drive of SATA has the incomparable advantage.But the real string of the disk system go to turn is first from the main plank aspect beginning of, the as early as string goes the hard drive formally throw in the market past, the main knothole SATA connect to have already been ready.But at the south bridge chip of the Intel ICH5, SiS964 and the VIA VT8237 these real support SATAs appear past, the main knothole SATA connects to pass the third square the chip realization.These chips are mainly SiliconImage SIL 3112 and PROMISE PDC20375 and PDC20376s, they according to total line of PCI, parts of products still make into the specialized PCI RAID control card.

 

Ask:Please ask the SATA and ATAs to compare the advantage over there?

Answer:The saving equipments that adopts the SATA installs to to compare the adoption abreast the ATA is simple and have to have another.The electric cable that SATA use wants to compare to proceed together the ATA more long, thinner, the latter adopt thick and short and easily the electric cable that split.Moreover, the SATA adopts 7 needle data conjunction machines, not abreast ATA the 40 needles conjunction machine, link more convenient.

The SATA still adopts the low electric voltage the signal technique for bad cent, the data delivers the rate in accordance with the transmission the distance more farly, and the signal electric voltage from proceed together the ATA 5 伏ss be as low as the SATA only 0.7 伏s, this with the low 功 consume and the cooling-off need mutually.This not only lowers the 功 of the disk actuator to consume, but also contracts the size of the switch controller.

The SATA adopts to order to rush toward the structure towards ordering the tuo , not widespread application in proceed together the ATA or SCSIs technical according to total line of structure, so the SATA can link the equipments to provide all bandwidths for each one, thus raising the total function.

SATA agreement still backward and permit, for software but speech is in general use, thus the string goes the format conversion to become to proceed together the format more convenient.

 

Ask:Hear hard drive of SATA of now of standard is 1.0, can introduce in brief once?

Answer:The SATA use currently is 1.0 standards, the clock frequency is a 1.5 GHzs, remove with the 8 bs/10 b form logarithms according to carry on code consume of about 20% bandwidth outside, used for the valid bandwidth fong that data deliver the value comes to a the 150 MBs/ s, this speed is is slightly high in the 133 MBs/ s of the Ultra ATA/133.But in fact, the SATA work set( the Serial ATA Working Group) draw up 1.0 hour of standards of SATA at the beginning and then program a SATA along together 2.0 and 3.0 standards of SATA.The data baud rate of three standard respectively is:150 MBs/ s,300 MBs/ s and 600 MBs/ s.In future long 10 yearses, the SATAs can satisfy the function request.

 

Ask:Please ask what living the hard drive of SATA at first?But does the bridge connect the hard drive of SATA and is what mean?

Answer:Because connecting the history of a people's existence to lead abreast long, so currently many equipmentses,such as main plank, still with proceed together the ATA support is lord, impossibly connect all to abreast to all change to a form to connect a while.For replace existing connect abreast, the hard drive factory house and the main plank factory houses adopted a proceeds together toward string to go the transitional method, that be at hard drive or main plank up add the bridge to connect the chip, the data that proceeds together the data to turn into a line.To take a piece of hard drive of SATA cool fish SATA V as an example, hard drive is according to proceed together the structure of ATA, but the data deliver the bitter end adoption bridge to connect the chip, deliver again south bridge chip to main knothole system the data that proceeds together the data to turn into a line, and turn into again the data of a line that receive to proceed together the data to deliver the hard drive, still needing to carry on the conversion of the instruction at the same time etc. work.Adopt the hard drive of SATA that the bridge connects the way plenty more, if exceed the gold of the tuo to drill 9 serieses, western region WD360GD etc. of Raptor of the data.

And real SATA, also is at first to living the SATA how of?Living the SATA to deliver the process at first is the disk controller that the south bridge of main knothole gathers the bunchy line, the transmission line and the hard drive controllerses all adopt the SATA to carry on a string of data of line's deliver, but no longer carry on a string of conversion for proceed together.Meet this a piece of hard drive that request is a rare jie of 7200.7 SATA version.The real hard drive of SATA connects a people's velocity to attain the 150 MBs/ s not only, should still support orderanying the new function of SATA of etc. of the brigade row.

 

Ask:Hard drive of SATA and the hard drive of ATA of the commonnesses install in the hardware up have what dissimilarity?

Answer:The installation steps of the hard drive of SATA with proceed together the hard drive of ATA to compare and have to have another in brief.

First, the hard drive shape did not change, as long as similar to common hard drive find out the fit position in the machine box, a fixedly good hard drive of the match hard drive is all right.

The conjunction data line and the gearing of the power cables are then totally different, because the data and power supplies of the hard drive of SATA connect the and traditional hard drives to connect to have the ratio the bigger difference.The data line adoption of hard drive of SATA of is 7 needle fine thread cable designs, not 40 and 80 needles flat even hard drive line designs within familiar traditional hard drives of everyone.Some be like the data line of USB in the external appearance felling.The data line both ends of the hard drive of SATA connect complete homology, be unlike 80 the flat even hard drive line of needleses need to distinguish analyse the main plank and hard drives to deal with contact so.The data connects a people's design to become the L type, a good directions, will not connect anti-.The power supply of the hard drive of SATA pick up a people is also a L type of, the ratio data connects slightly the breadth is some, installing the method similar.Well worth mentioning of is, most power supplies have no appropriative SATA hard drive power supply to connect currently, in fact what hard drive use is to transfer the line, connecting L type a people turn the traditional D type connects.Separately the hard drive of SATA of the model number even reserves a power supply to connect directly.

The SATA adopts to order the conjunction method to the point, so each SATA connects to link a hard drive only, any further need not be like the traditional hard drive of ATA to established to jump the line so, the system would be automatic to set hard drive of SATA as the main dish of.

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