HP Pavilion xe700 HP Pavilion PCs - (English) Seagate Hard Drive U Series 10 M - Page 13

U10 Family Product Manual, Rev. A 5 1.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the ST320423A, ST315323A and the ST310212A. 1.1 Formatted capacity Drive Model Guaranteed Mbytes Guaranteed Bytes per (1 Mbyte = 106 bytes) sectors sector ST320423A 20,485 40,011,300 512 ST315323A 15,364 30,008,475 512 ST310212A 10,242 20,005,650 512 1.1.1 Default logical geometry CHS Mode ST320423A ST315323A ST310212A Cylinders 16,383 16,383 16,383 Read/Write heads Sectors per track 16 63 16 63 16 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. 1.2 Physical organization Drive Model Read/Write heads (GMR) ST320423A 4 ST315323A 3 ST310212A 2 Number of discs 2 2 1