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The Marathon 1680 supports any translation geometry that satisfies

all

of the following conditions:

•

Sectors per track

≤

•

Read/write heads

≤

•

(Sectors per track)

(read/write heads)

(cylinders)

≤

3,282,048

1.2

Physical organization

Marathon 2250

Marathon 1680

Read/Write heads

Discs

1.3

Recording and interface technology

Interface

ATA

Recording method

8/9

Recording density (bits/inch)

120,000

Track density (tracks/inch)

5,555

Areal density (Mbits/inch

)

666

Spindle speed (RPM)
(

0.5%)

4,508

Internal data-transfer rate
(Mbits per sec max—ZBR)

60.8

I/O data-transfer rate
(Mbytes per sec max)

16.6 (PIO mode 4 with IORDY)
16.6 (multiword DMA mode 2)

Interleave

1:1

Cache buffer (Kbytes)

103

Marathon 2250 and Marathon 1680 Product Manual

Содержание MARATHON 1680

Страница 1: ...Marathon 2250 Marathon 1680 ATA Interface Drives Product Manual...

Страница 2: ......

Страница 3: ...Marathon 2250 ST92255AG Marathon 1680 ST91685AG ATA Interface Drives Product Manual...

Страница 4: ...rks of Seagate Technology Inc Marathon and SafeRite are trademarks of Seagate Technology Other product names are registered trademarks or trademarks of their owners Seagate reserves the right to chang...

Страница 5: ...e 7 1 6 Start times 8 1 7 Power specifications 8 1 7 1 Power consumption 8 1 7 2 Power recovery 9 1 7 3 Conducted noise 9 1 7 4 Voltage tolerance 10 1 7 5 Power management modes 10 1 8 Environmental t...

Страница 6: ...n 19 2 4 Drive mounting 19 2 5 ATA interface connector 23 3 0 ATA Attachment 3 Interface ATA 3 25 3 1 ATA interface signals and connector pins 25 3 1 1 AT bus signal levels 25 3 2 ATA Interface comman...

Страница 7: ...and master slave jumper setup 18 Figure 3 Drive mounting dimensions side and bottom view 20 Figure 4 Drive mounting dimensions end view 21 Figure 5 ATA Interface connector dimensions 23 Figure 6 I O...

Страница 8: ...vi Marathon 2250 and Marathon 1680 Product Manual...

Страница 9: ...gle word and multiword DMA modes 0 1 and 2 High instantaneous burst data transfer rates up to 16 6 Mbytes per second using PIO mode 4 and DMA mode 2 103 Kbyte adaptive multisegmented cache Fast cachin...

Страница 10: ...write heads 10 8 Discs 5 4 Recording density bits inch max 120 000 Track density tracks inch 5 555 Areal density Mbits inch2 666 Spindle speed RPM 4 508 Internal data transfer rate Mbits sec max 60 8...

Страница 11: ...tive humidity operating 8 to 80 10 per hour max grad Wet bulb temperature C max 29 4 op 40 nonop Altitude meters above mean sea level max 300 to 3 040 op 300 to 12 190 nonop Shock operating Gs max 125...

Страница 12: ...4 Marathon 2250 and Marathon 1680 Product Manual...

Страница 13: ...BIOSs cannot address more than 2 1 Gbytes more than 4 096 cylinders on a single partition If you encounter this problem with the ST92255AG divide the drive into two partitions or upgrade your BIOS Ple...

Страница 14: ...heads 10 8 Discs 5 4 1 3 Recording and interface technology Interface ATA Recording method 8 9 Recording density bits inch 120 000 Track density tracks inch 5 555 Areal density Mbits inch2 666 Spindl...

Страница 15: ...at sea level and 40 C ambient temperature The specifications in the table below are defined as follows Track to track seek time is an average of all possible single track seeks in both directions Aver...

Страница 16: ...n and the drive in default logical geometry Seeking power and currents are measured during one third stroke buffered seeks Read write power and current are measured with the heads on track based on a...

Страница 17: ...drive is performing a write operation the integrity of the data being written cannot be guaranteed Note Do notremove power from the drive while the interface signalsare ac tive at low impedance becaus...

Страница 18: ...Stopped Disabled Active mode The drive is in Active mode during the read write and seek operations Idle mode At power on the drive sets the Idle Timer to enter Idle mode after 5 seconds of inactivity...

Страница 19: ...he host After receiving a Soft Reset the drive exits Sleep mode and enters Standby mode with all current emulation and transla tion parameters intact After receiving a Hard Reset signal the drive exit...

Страница 20: ...lative humidity Operating 8 to 80 noncondensing 10 per hour max Storage 8 to 90 noncondensing 10 per hour max Transit 5 to 95 noncondensing 10 per hour max 1 8 3 2 Wet bulb temperature Operating 29 4...

Страница 21: ...ses of 2 msec duration or 150 Gs based on half sine shock pulses of 11 msec duration Shock pulses are defined by MIL STD 202 F with the ampli tude tolerance controlled to 5 1 8 6 Vibration For vibrati...

Страница 22: ...ng a total of nine microphones that measure in the 250 4 000 Hz band This method ology determines broad band and narrow band noise and discrete fre quency components For all tests the drive is oriente...

Страница 23: ...ble if necessary and terminators on all unused I O ports The com puter manufacturer or system integrator should confirm EMC compliance and provide CE marking for their products 1 11 3 FCC verification...

Страница 24: ...ther of the radio or TV Move the device farther away from the radio or TV Plug the computer into a different outlet so that the receiver and computer are on different branch outlets If necessary you s...

Страница 25: ...AT bus You can configure a drive to become a master or slave bysettingthe master slave jumpers asdescribedbelowandshown in Figure 2 on page 18 Alternatively you can configure the drive as a master or...

Страница 26: ...a connector in which pin 28 is grounded then it becomes a master If a drive is attached to a connector in which pin 28 is ungrounded then it becomes a slave Master slave configuration jumpers Circuit...

Страница 27: ...ing around the entire perimeter of the drive The drive conforms to the industry standard SFF 8200 mounting specifications and requires the use of SFF 8200 compatible connectors in direct mounting appl...

Страница 28: ...g holes A32 thread 4PLC min A41 full thread center within A33 of position specified S1 to tips of I O connector pins A8 z x y A37 Z4 A37 Z3 A37 Z2 A37 X1 A37 Z1 X2 A37 A40 A39 X Y Z A1 A2 A3 Figure 3...

Страница 29: ...0 157 3 99 A10 Side to side connector location pin center line 0 399 10 14 A10 1 and tolerance side to side connector location 0 015 0 38 A11 Top to bottom pin spacing 0 079 2 00 A12 Side to side pin...

Страница 30: ...between bottom mounting holes 2 430 61 72 A30 Front to back location of bottom mounting holes 0 551 14 0 A31 Front to back distance between bottom mounting holes 3 016 76 6 A32 Thread description bott...

Страница 31: ...ible connectors such as Molex part number 87368 442x For applications that involve flexible cables or printed circuit cables PCCs use Molex part number 87259 4413 or equivalent to connect the drive to...

Страница 32: ...24 Marathon 2250 and Marathon 1680 Product Manual...

Страница 33: ...age 26 summarizes the signals on the ATA interface connector that the drive supports For a detailed description of these signals refer to the Working Draft of the Proposed American National Standard X...

Страница 34: ...ta Bus Bit 4 Host Data Bus Bit 11 Host Data Bus Bit 3 Host Data Bus Bit 12 Host Data Bus Bit 2 Host Data Bus Bit 13 Host Data Bus Bit 1 Host Data Bus Bit 14 Host Data Bus Bit 0 Host Data Bus Bit 15 Gr...

Страница 35: ...n 1680 ATA standard commands Execute Drive Diagnostics 90H Yes Format Track 50H Yes Identify Drive ECH Yes Initialize Drive Parameters 91H Yes NOP 00H No Read Buffer E4H Yes Read DMA w retry C8H Yes R...

Страница 36: ...rs no retry 31H Yes Write Verify 3CH No Drive Security Commands Security Set Password F1H Yes Security Unlock F2H Yes Security Erase Prepare F3H Yes Security Erase Unit F4H Yes Security Freeze Lock F5...

Страница 37: ...arathon 2250 and the Marathon 1680 Word Description Contents 0 Configuration information Bit 6 fixed drive 0040H 1 Number of fixed cylinders default logical emulation 4 360 ST92255AG 3 256 ST91685AG 1...

Страница 38: ...f words 54 58 and words 64 70 words may be valid 0003H 54 Number of cylinders current emulation mode xxxxH 55 Number of heads current emulation mode xxxxH 56 Number of sectors per track current emulat...

Страница 39: ...69 127 ATA reserved 0000H 128 159 Seagate reserved xxxxH 160 255 ATA reserved 0000H Note The following DMA mode settings are used in word 63 of the Identify Drive command Word Bit Description if bit...

Страница 40: ...ansfer mode based on value in Sector Count register Sector Count register values 00H Set PIO mode to default PIO mode 2 enable IORDY 01H Set PIO mode to default PIO mode 2 disable IORDY 08H PIO Mode 0...

Страница 41: ...n read long and write long commands default CCH Enable reverting to power on defaults default At power on or after a hardware reset the default values of the features are as indicated above A software...

Страница 42: ...ology AT Attachment 3 Interface ATA 3 This drive is shipped with S M A R T features disabled You must have a recent BIOS or software package that supports S M A R T to enable the feature The table bel...

Страница 43: ...mpleting a Security Unlock command The drive supports two levels of security high security and maximum security In high security mode if you forget your password you can still access the data by enter...

Страница 44: ...36 Marathon 2250 and Marathon 1680 Product Manual...

Страница 45: ...formance Some older drive diagnostic programs test ECC features by creating small data errors and then checking to see if they are reported Such tests when run on these drives may incorrectly report a...

Страница 46: ......

Страница 47: ......

Страница 48: ...Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 USA Publication Number 36337 101 Rev B Printed in USA...

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