Specifications
Table Of Contents
- 1.0 Introduction
- 2.0 Drive specifications
- 2.1 Specification summary table
- 2.2 Formatted capacity
- 2.3 Default logical geometry
- 2.4 Physical organization
- 2.5 Recording and interface technology
- 2.6 Physical characteristics
- 2.7 Seek time
- 2.8 Start/stop times
- 2.9 Power specifications
- 2.10 Environmental specifications
- 2.11 Acoustics
- 2.12 Electromagnetic immunity
- 2.13 Reliability
- 2.14 Agency certification
- 3.0 Configuring and mounting the drive
- 4.0 ATA interface
- 5.0 Seagate Technology support services
- Index
![](/manual/seagate/9-u-series-ce-9/specifications-english/images/img-32.png)
26 U Series 9 ce Product Manual, Rev. F
59 Number of sectors transferred during a Read Multiple or Write Multiple
command
xxxx
H
60–61 Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
*Note: The maximum value allowed in this field is: 0FFFFFFFh
(268,435,455 sectors, 137 Gbytes). Drives with capacities over 137
Gbytes will have 0FFFFFFFh in this field and the actual number of
user-addressable LBAs specified in words 100-103. This is required for
drives that support the 48-bit addressing feature.
ST3160022ACE =0FFFFFFFh*
ST3120025ACE = 234,441,648
ST380012ACE = 156,301,488
62 Retired 0000
H
63 Multiword DMA active and modes supported
(see note following this table)
xx07
H
64 Advanced PIO modes supported (modes 3 and 4 supported) 0003
H
65 Minimum multiword DMA transfer cycle time per word (120 nsec) 0078
H
66 Recommended multiword DMA transfer cycle time per word (120 nsec) 0078
H
67 Minimum PIO cycle time without IORDY flow control (240 nsec) 00F0
H
68 Minimum PIO cycle time with IORDY flow control (120 nsec) 0078
H
69–74 ATA-reserved 0000
H
75 Queue depth 0000
H
76–79 ATA-reserved 0000
H
80 Major version number 007E
H
81 Minor version number 0000
H
82 Command sets supported 346B
H
83 Command sets supported 7D01
H
84 Command sets support extension 4003
H
85 Command sets enabled 34xx
H
86 Command sets enabled 3xxx
H
87 Command sets enable extension 4003
H
88 Ultra DMA support and current mode
(see note following this table)
xx3F
H
89 Security erase time 0000
H
90 Enhanced security erase time 0000
H
92 Master password revision code FFFE
H
93 Hardware reset value (see description following this table) xxxx
H
95–99 ATA-reserved 0000
H
100–103 Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
These words are required for drives that support the 48-bit addressing
feature. Maximum value: 0000FFFFFFFFFFFFh.
ST3160022ACE = 312,581,808
ST3120025ACE = 234,441,648
ST380012ACE = 156,301,488
104–127 ATA-reserved 0000
H
Word Description Value