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znam 4e ima dva vida kabeli, ATA33, i ATA66/100 i 133

razlikata mejdu ATA33 i drugite 4e ATA33 e sus 40pin a ATA 66/100 sa sus 80pin cable

tova e koeto znam... ama bih iskal da znam pove4e, i kvo to4no ozna4avat tea Mhz'ove 33,66,100....

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по мое мнение и от моя скромен опит, разликата между АТА33 и АТА66 е значителна, като разлика в производителност, но между АТА66 и АТА133, разлика не мога да направя лесно

 

...да не говорим, че ако сложиш 7200 rpm IDE харддиск на АТА33 интерфейс и 5400 rpm такъв на АТА133 интерфейс, АТА33 системата ще работи доста по-бързо, най-малко щото самия харддиск, трудно ще изпълни bandwidth по спецификация, освен ако не чете информацията от cache-а си, вместо от плочите :)

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znam 4e ima dva vida kabeli, ATA33, i ATA66/100 i 133

razlikata mejdu ATA33 i drugite 4e ATA33 e sus 40pin a ATA 66/100  sa sus 80pin cable

tova e koeto znam... ama bih iskal da znam pove4e, i kvo to4no ozna4avat tea Mhz'ove 33,66,100....

Kabelite niamat razlika v broia na pin-ovete a v broia na jilata

 

 

more info TUK

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znam 4e ima dva vida kabeli, ATA33, i ATA66/100 i 133

razlikata mejdu ATA33 i drugite 4e ATA33 e sus 40pin a ATA 66/100  sa sus 80pin cable

tova e koeto znam... ama bih iskal da znam pove4e, i kvo to4no ozna4avat tea Mhz'ove 33,66,100....

Kabelite niamat razlika v broia na pin-ovete a v broia na jilata

 

 

more info TUK

tehni4eskia mi bulgarski kutsa :)

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Тези кабели са много важни за производителността на системата.

От него зависи трансфера между дъното(рам, видео...) и харда. Ако нямате изискване бързо да зарежда приложение или нещо голямо то тогава не ви трябва. Един път като го хвърли в рама и готово. Аре че нямам времел

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i kvo to4no ozna4avat tea Mhz'ove 33,66,100....

Tova ne sa MHz-ove a transfer MB/sec.

Sirech, ako e ATA33, tova ste reche che mozesh da dostignes do 33MB/s transfer pri opredeleni uslovia. Neshto takova e sas 66, 100 i 133. Nedei obache da se zabluzdavash che vidish li tova e varha i transfera ste ti e edi si kolko MB/sec. Niama takova neshto, terzi cifri sa maksimalnia vazmozen transfer, koito obache mnogo riadko moze da bude dostignat (ako vaobshte e vazmozno).

Taka pone az znam za standarta ATA33.

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edin malyk, makar i sintetichen benchmark.. i to po vreme na rabota na mashinata

----------------------------------------------------------------------------------------------

IBM Netfinity 3500, dual pIII-500@333MHz(66MHz FSB zaradi LX chipseta)

FreeBSD 5.1-RELEASE

CPU: Pentium III/Pentium III Xeon/Celeron (333.05-MHz 686-class CPU)

Origin = "GenuineIntel" Id = 0x673 Stepping = 3

real memory = 67108864 (64 MB)

FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs

 

atapci0: <Intel PIIX4 UDMA33 controller> port 0xfff0-0xffff at device 2.1 on pci0

 

ad0: 39083MB <Maxtor 5T040H4> [79408/16/63] at ata0-master UDMA33

 

ahc0: <Adaptec aic7895 Ultra SCSI adapter> port 0x7400-0x74ff mem 0xf3efe000-0xf3efefff irq 9 at device 9.0 on pci0

 

da0: <IBM-PCCO DDRS-34560W !# S97B> Fixed Direct Access SCSI-2 device

da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled

da0: 4303MB (8813870 512 byte sectors: 255H 63S/T 548C)

 

da1: <QUANTUM ATLAS 10K 9WLS UCH0> Fixed Direct Access SCSI-3 device

da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled

da1: 8759MB (17938986 512 byte sectors: 255H 63S/T 1116C)

 

----disk ata33 7200rpm(max 33MByte/s interface)

40G Maxtor 7200rpm 2MB cache /intel ATA33 interface(440LX)

 

$diskinfo -t ad0

ad0

512 # sectorsize

40982151168 # mediasize in bytes

80043264 # mediasize in sectors

79408 # Cylinders according to firmware.

16 # Heads according to firmware.

63 # Sectors according to firmware.

 

Seek times:

Full stroke: 250 iter in 5.750999 sec = 23.004 msec

Half stroke: 250 iter in 4.536671 sec = 18.147 msec

Quarter stroke: 500 iter in 8.000105 sec = 16.000 msec

Short forward: 400 iter in 3.369174 sec = 8.423 msec

Short backward: 400 iter in 3.943314 sec = 9.858 msec

Seq outer: 2048 iter in 10.645347 sec = 5.198 msec

Seq inner: 2048 iter in 10.617635 sec = 5.184 msec

Transfer rates:

outside: 102400 kbytes in 6.129386 sec = 16706 kbytes/sec

middle: 102400 kbytes in 5.741245 sec = 17836 kbytes/sec

inside: 102400 kbytes in 6.013372 sec = 17029 kbytes/sec

 

---disk scsi-2 7200 rpm (40MByte/s max interface)

$diskinfo -t da0

da0

512 # sectorsize

4512701440 # mediasize in bytes

8813870 # mediasize in sectors

548 # Cylinders according to firmware.

255 # Heads according to firmware.

63 # Sectors according to firmware.

 

Seek times:

Full stroke: 250 iter in 4.933424 sec = 19.734 msec

Half stroke: 250 iter in 4.736657 sec = 18.947 msec

Quarter stroke: 500 iter in 7.862394 sec = 15.725 msec

Short forward: diskinfo: read error or disk too small for test.: Input/

---disk scsi-3 10000 rpm (40MByte/s max interface)

 

$diskinfo -t da1

da1

512 # sectorsize

9184760832 # mediasize in bytes

17938986 # mediasize in sectors

1116 # Cylinders according to firmware.

255 # Heads according to firmware.

63 # Sectors according to firmware.

 

Seek times:

Full stroke: 250 iter in 3.917239 sec = 15.669 msec

Half stroke: 250 iter in 3.357530 sec = 13.430 msec

Quarter stroke: 500 iter in 5.833782 sec = 11.668 msec

Short forward: 400 iter in 3.128341 sec = 7.821 msec

Short backward: 400 iter in 2.770248 sec = 6.926 msec

Seq outer: 2048 iter in 9.670943 sec = 4.722 msec

Seq inner: 2048 iter in 9.478503 sec = 4.628 msec

Transfer rates:

outside: 102400 kbytes in 5.902587 sec = 17348 kbytes/sec

middle: 102400 kbytes in 5.966052 sec = 17164 kbytes/sec

inside: 102400 kbytes in 7.003242 sec = 14622 kbytes/sec

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i oshte edin benchmark, na edna malko po-syvremenna sistema :)

---

Overclocknat AMD T-bred 1700+ sys ASUS dyno/VIA KT266 chipset, DDR/VIA ATA100 IDE

FreeBSD 5.1-RELEASE

CPU: AMD Athlon XP2100+ (1884.64-MHz 686-class CPU)

Origin = "AuthenticAMD" Id = 0x681 Stepping = 1

real memory = 268353536 (255 MB)

 

atapci0: <VIA 8233 UDMA100 controller>

 

ad0: 39266MB <IC35L040AVVA07-0> [79780/16/63] at ata0-master UDMA100

 

ahc0: <Adaptec 2940 Ultra2 SCSI adapter>

 

da0: <QUANTUM ATLAS10K3_18_WLS 020K> Fixed Direct Access SCSI-3 device

da0: 80.000MB/s transfers (40.000MHz, offset 127, 16bit), Tagged Queueing Enabled

da0: 17537MB (35916548 512 byte sectors: 255H 63S/T 2235C)

---disk ata100 (100MByte/s max interface)

IBM Deskstar 120 7200rpm/via ata100 interface

diskinfo -t ad0

 

ad0

512 # sectorsize

41174138880 # mediasize in bytes

80418240 # mediasize in sectors

79780 # Cylinders according to firmware.

16 # Heads according to firmware.

63 # Sectors according to firmware.

 

Seek times:

Full stroke: 250 iter in 4.610006 sec = 18.440 msec

Half stroke: 250 iter in 3.472742 sec = 13.891 msec

Quarter stroke: 500 iter in 6.305269 sec = 12.611 msec

Short forward: 400 iter in 2.445875 sec = 6.115 msec

Short backward: 400 iter in 2.408825 sec = 6.022 msec

Seq outer: 2048 iter in 0.153409 sec = 0.075 msec

Seq inner: 2048 iter in 0.162107 sec = 0.079 msec

Transfer rates:

outside: 102400 kbytes in 2.216152 sec = 46206 kbytes/sec

middle: 102400 kbytes in 2.656707 sec = 38544 kbytes/sec

inside: 102400 kbytes in 4.635706 sec = 22089 kbytes/sec

 

---disk scsi-3 (80MByte/s max interface)

Quantum Atlas 3 10000rpm

 

diskinfo -t da0

da0

512 # sectorsize

18389272576 # mediasize in bytes

35916548 # mediasize in sectors

2235 # Cylinders according to firmware.

255 # Heads according to firmware.

63 # Sectors according to firmware.

 

Seek times:

Full stroke: 250 iter in 2.903508 sec = 11.614 msec

Half stroke: 250 iter in 2.142224 sec = 8.569 msec

Quarter stroke: 500 iter in 3.647564 sec = 7.295 msec

Short forward: 400 iter in 2.138013 sec = 5.345 msec

Short backward: 400 iter in 1.610758 sec = 4.027 msec

Seq outer: 2048 iter in 0.157678 sec = 0.077 msec

Seq inner: 2048 iter in 0.161635 sec = 0.079 msec

Transfer rates:

outside: 102400 kbytes in 1.952941 sec = 52434 kbytes/sec

middle: 102400 kbytes in 2.163289 sec = 47335 kbytes/sec

inside: 102400 kbytes in 3.376951 sec = 30323 kbytes/sec

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