Seagate ST98823AS Momentus 5400.2 SATA Product Manual - Page 11
Formatted capacity, Default logical geometry - hard drive
UPC - 000000098823
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Table 1: Drive specifications Drive specification Load/Unload (U/UL) cycles ST9120821AS ST9100824AS ST98823AS ST96812AS 25°C, 50% relative humidity 32°C, 80% relative humidity 5°C, 80% relative humidity 5°C, 10% relative humidity 55°C, 16% relative humidity Supports Hotplug operation per SATA II specification 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles Yes (requires COMPRESET from host after a hotplug event) ST94813AS ST93811AS *During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels. **Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes will not contribute to battery power consumption. 2.2 Formatted capacity Model ST9120821AS ST9100824AS ST98823AS ST96812AS ST94813AS ST93811AS Formatted capacity 120 Gbytes 100 Gbytes 80 Gbytes 60 Gbytes 40 Gbytes 30 Gbytes Guaranteed sectors 234,441,648 195,371,568 156,301,488 117,210,240 78,140,160 58,605,120 Bytes per sector 512 512 512 512 512 512 2.2.1 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48bit addressing support of drives with capacities over 137 Gbytes. 2.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. Momentus 5400.2 SATA Product Manual, Rev. C 5