Momentus XT Product Manual
Page 7
.... • Support for the following Seagate Momentus® XT model drives: Standard models ST95005620AS ST93205620AS ST92505610AS These drives provide the following key features: • 7200-RPM spindle speed. • 32MB buffer. • Quiet operation. 1.0 Introduction This manual describes the functional, mechanical and interface specifications for Read Multiple and Write Multiple commands. Fluid Dynamic Bearing...
.... • Support for the following Seagate Momentus® XT model drives: Standard models ST95005620AS ST93205620AS ST92505610AS These drives provide the following key features: • 7200-RPM spindle speed. • 32MB buffer. • Quiet operation. 1.0 Introduction This manual describes the functional, mechanical and interface specifications for Read Multiple and Write Multiple commands. Fluid Dynamic Bearing...
Momentus XT Product Manual
Page 9
... typical) 3.0 Track-to-track seek time, read (msec typical) 1.5 Average seek, read /write heads Discs Cache (MB) Recording density in BPI (bits/in max) Track density TPI (tracks/in max) Areal density (Gb/in2 max) Spindle speed (RPM) Average latency (ms) Internal transfer ...manual. Table 1: Drive specifications Drive specification ST95005620AS ST93205620AS Formatted GB (512 bytes/sector)* Guaranteed sectors Bytes per sector Physical read (ms typical) 11.0 Average seek, write (ms typical) 13.0 Startup current, +5V amps (max) 1.0 Seek power (watts typical) 2.2 ST92505610AS 250 488...
... typical) 3.0 Track-to-track seek time, read (msec typical) 1.5 Average seek, read /write heads Discs Cache (MB) Recording density in BPI (bits/in max) Track density TPI (tracks/in max) Areal density (Gb/in2 max) Spindle speed (RPM) Average latency (ms) Internal transfer ...manual. Table 1: Drive specifications Drive specification ST95005620AS ST93205620AS Formatted GB (512 bytes/sector)* Guaranteed sectors Bytes per sector Physical read (ms typical) 11.0 Average seek, write (ms typical) 13.0 Startup current, +5V amps (max) 1.0 Seek power (watts typical) 2.2 ST92505610AS 250 488...
Momentus XT Product Manual
Page 12
2.4 Physical organization Drive model ST95005620AS ST93205620AS ST92505610AS Read/write heads 4 3 2 2.5 Recording and interface technology Interface Recording method Recording density BPI (bits/in max) Track density TPI (tracks/in max) Areal density (Gb/in2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Gb/s) I/O data-transfer rate (Gb/s max) Interleave Cache buffer 2.6 Physical characteristics Drive...
2.4 Physical organization Drive model ST95005620AS ST93205620AS ST92505610AS Read/write heads 4 3 2 2.5 Recording and interface technology Interface Recording method Recording density BPI (bits/in max) Track density TPI (tracks/in max) Areal density (Gb/in2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Gb/s) I/O data-transfer rate (Gb/s max) Interleave Cache buffer 2.6 Physical characteristics Drive...
Momentus XT Product Manual
Page 14
... is not typical. • Read/write power and current Read/write power is measured with the heads on track, based on three 63 sector read or write operations every 100 ms. • Idle mode power Idle mode power is measured with the drive up to speed, with servo electronics active and with... of power-on to the time that the drive spindle reaches operating speed. • Seek mode During seek mode, the read/write actuator arm moves toward a specific position on the disc surface and does not execute a read or write operation. Typical power measurements are based on an average of drives tested...
... is not typical. • Read/write power and current Read/write power is measured with the heads on track, based on three 63 sector read or write operations every 100 ms. • Idle mode power Idle mode power is measured with the drive up to speed, with servo electronics active and with... of power-on to the time that the drive spindle reaches operating speed. • Seek mode During seek mode, the read/write actuator arm moves toward a specific position on the disc surface and does not execute a read or write operation. Typical power measurements are based on an average of drives tested...
Momentus XT Product Manual
Page 41
...Shock, operating 4 single-track seeks 7 Sleep 8, 25 Sleep mode 4, 11 Solid State Hybrid feature 5 sound power 4 Specification summary table 3 Spindle speed 3, 6 Spinup 8 spinup power 8 Standby 8, 25 Standby Immediate 25 Standby mode 4, 8, 11 Standby to Ready 7 Standby to ready 3 Start... weight 6 Wet bulb temperature 4, 12 Width 3 width 6 Write Buffer 25 Write DMA 25 Write DMA Extended 25 Write Long with Retries 25 Write Long without Retries 25 Write Multiple 25 Write Sectors 25 Momentus XT Product Manual, Rev. read/write power and current 8 Recording density 3, 6 Recording method 6 Recording...
...Shock, operating 4 single-track seeks 7 Sleep 8, 25 Sleep mode 4, 11 Solid State Hybrid feature 5 sound power 4 Specification summary table 3 Spindle speed 3, 6 Spinup 8 spinup power 8 Standby 8, 25 Standby Immediate 25 Standby mode 4, 8, 11 Standby to Ready 7 Standby to ready 3 Start... weight 6 Wet bulb temperature 4, 12 Width 3 width 6 Write Buffer 25 Write DMA 25 Write DMA Extended 25 Write Long with Retries 25 Write Long without Retries 25 Write Multiple 25 Write Sectors 25 Momentus XT Product Manual, Rev. read/write power and current 8 Recording density 3, 6 Recording method 6 Recording...
Momentus XT (Gen2) Product Manual
Page 8
... that eliminates unnecessary drive returns. • Support for the following Seagate Momentus® XT model drives: ST750LX003 ST500LX003 These drives provide the following key features: • 7200-RPM spindle speed. • 32MB buffer. • Quiet operation. D drive monitoring and reporting. • Support for Read Multiple and Write Multiple commands. 2 Momentus XT Product Manual, Rev.
... that eliminates unnecessary drive returns. • Support for the following Seagate Momentus® XT model drives: ST750LX003 ST500LX003 These drives provide the following key features: • 7200-RPM spindle speed. • 32MB buffer. • Quiet operation. D drive monitoring and reporting. • Support for Read Multiple and Write Multiple commands. 2 Momentus XT Product Manual, Rev.
Momentus XT (Gen2) Product Manual
Page 10
...sec typical) 3.5 Track-to-track seek time, read (msec typical) 1.5 Average seek, read /write heads Discs Cache (MB) Recording density in BPI (bits/in max) Track density TPI (tracks/in max) Areal density (Gb/in2 max) Spindle speed (RPM) Average latency (ms) Internal transfer ...specifications Drive specification ST750LX003 Formatted GB (512 bytes/sector)* Guaranteed sectors Bytes per sector Physical read (ms typical) 11.0 Average seek, write (ms typical) 13.0 Startup current, +5V amps (max) 1.2 Read power (watts typical) 3.3 ST500LX003 500 976,773,168 4 Momentus XT Product Manual,...
...sec typical) 3.5 Track-to-track seek time, read (msec typical) 1.5 Average seek, read /write heads Discs Cache (MB) Recording density in BPI (bits/in max) Track density TPI (tracks/in max) Areal density (Gb/in2 max) Spindle speed (RPM) Average latency (ms) Internal transfer ...specifications Drive specification ST750LX003 Formatted GB (512 bytes/sector)* Guaranteed sectors Bytes per sector Physical read (ms typical) 11.0 Average seek, write (ms typical) 13.0 Startup current, +5V amps (max) 1.2 Read power (watts typical) 3.3 ST500LX003 500 976,773,168 4 Momentus XT Product Manual,...
Momentus XT (Gen2) Product Manual
Page 13
...) (in max) Areal density (Gb/in2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Gb/s) I/O data-transfer rate (Gb/s max) Interleave Cache buffer - D 7 3.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 LBA mode When addressing these... numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. 3.4 Physical organization Drive model 750GB 500GB Read/write heads 4 Number of discs 2 3.5 Recording and interface technology Interface Recording method Recording density BPI (bits/in max) Track density TPI...
...) (in max) Areal density (Gb/in2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Gb/s) I/O data-transfer rate (Gb/s max) Interleave Cache buffer - D 7 3.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 LBA mode When addressing these... numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. 3.4 Physical organization Drive model 750GB 500GB Read/write heads 4 Number of discs 2 3.5 Recording and interface technology Interface Recording method Recording density BPI (bits/in max) Track density TPI...
Momentus XT (Gen2) Product Manual
Page 14
.... Seek mode power is measured based on three random seek operations every 100 ms. This mode is not typical. • Read/write power and current Read/write power is removed without going through normal OS powerdown procedures. 3.9 Power specifications The drive receives DC power (+5V) through a...-to -ready may produce results that the drive spindle reaches operating speed. • Seek mode During seek mode, the read/write actuator arm moves toward a specific position on the disc surface and does not execute a read or write operations every 100 ms. 8 Momentus XT Product Manual, Rev. ...
.... Seek mode power is measured based on three random seek operations every 100 ms. This mode is not typical. • Read/write power and current Read/write power is removed without going through normal OS powerdown procedures. 3.9 Power specifications The drive receives DC power (+5V) through a...-to -ready may produce results that the drive spindle reaches operating speed. • Seek mode During seek mode, the read/write actuator arm moves toward a specific position on the disc surface and does not execute a read or write operations every 100 ms. 8 Momentus XT Product Manual, Rev. ...
Momentus XT (Gen2) Product Manual
Page 15
...is measured with the drive up to speed, with servo electronics active and with the heads in a random track location. • Standby mode During Standby mode, the drive accepts commands, but the drive is not spinning, and the servo and read/ write electronics are in power-down model ...Table 3: DC power Power dissipation Spinup (max) Read Write Idle, performance* Idle, active* Idle, low power mode* Standby Sleep +5V input average (25° ...
...is measured with the drive up to speed, with servo electronics active and with the heads in a random track location. • Standby mode During Standby mode, the drive accepts commands, but the drive is not spinning, and the servo and read/ write electronics are in power-down model ...Table 3: DC power Power dissipation Spinup (max) Read Write Idle, performance* Idle, active* Idle, low power mode* Standby Sleep +5V input average (25° ...
Momentus XT (Gen2) Product Manual
Page 39
read/write power and current 8 Recording density 4, 7 Recording method 7 Recording technology 7 Relative humidity 5, 11 Reliability 13 resistance 10 Retries 22 RF 13 RoHS 15, 16 RPM 4 RRL ... 22 Shock 11 Shock, nonoperating 5 Shock, operating 5 single-track seeks 8 Sleep 9, 23 Sleep mode 5, 10 Solid State Hybrid feature 6 sound power 5 Specification summary table 4 Spindle speed 4, 7 Spinup 9 spinup power 8 Standby 9, 23 Standby Immediate 23 Standby mode 5, 9, 10 Standby to Ready 8 Standby to ready 4 Start/stop times 8 Startup current 4 static-discharge 17...
read/write power and current 8 Recording density 4, 7 Recording method 7 Recording technology 7 Relative humidity 5, 11 Reliability 13 resistance 10 Retries 22 RF 13 RoHS 15, 16 RPM 4 RRL ... 22 Shock 11 Shock, nonoperating 5 Shock, operating 5 single-track seeks 8 Sleep 9, 23 Sleep mode 5, 10 Solid State Hybrid feature 6 sound power 5 Specification summary table 4 Spindle speed 4, 7 Spinup 9 spinup power 8 Standby 9, 23 Standby Immediate 23 Standby mode 5, 9, 10 Standby to Ready 8 Standby to ready 4 Start/stop times 8 Startup current 4 static-discharge 17...
