Seagate U Series 9 CE Manual De Usuario
U Series 9 ce Product Manual, Rev. F
5
2.2
Formatted capacity
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.
where n is the number of guaranteed sectors as defined above.
See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137 Gbytes.
bit addressing support of drives with capacities over 137 Gbytes.
2.3
Default logical geometry
2.4
Physical organization
2.5
Recording and interface technology
Model
Formatted
capacity
Guaranteed
sectors
Bytes per sector
ST3160022ACE
160 Gbytes
312,581,808
512
ST3120025ACE
120 Gbytes
234,441,648
512
ST380012ACE
80 Gbytes
156,301,488
512
Cylinders
Read/write heads
Sectors per track
16,383
16
63
Model
Read/write heads
Number of discs
ST3160022ACE
4
2
ST3120025ACE
3
2
ST380012ACE
2
1
Interface
ATA
Recording method
16/17 EPRML
Recording density BPI (bits/inch max)
595,000
Track density TPI (tracks/inch max)
94,600
Areal density (Mbits/inch
2
max)
56.3
Internal data-transfer rate OD (Mbytes/sec max)
85.4
Sustained data transfer rate OD (Mbytes/sec max)
48
I/O data-transfer rate (Mbytes/sec max)
100 (Ultra DMA mode 5)
Interleave
1:1
Cache buffer
2 Mbyte (2,048 kbytes)