Data Sheet; Figure 2. Mechanical Positioning Performance - IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100 07N9682 Specifications

2
Logical layout: Logical layout is an imaginary drive parameter (that is, the number of heads) which is
used to access the drive from the system interface. The Logical layout to Physical layout (that is, the actu-
al Head and Sectors) translation is done automatically in the drive. The default setting can be obtained by
issuing an IDENTIFY DEVICE command

4.2 Data sheet

Description
Data transfer rate (Mbps)
Interface transfer rate (MB/s)
1
)
Data buffer size (KB
Rotational speed (RPM)
Number of buffer segments (read)
Number of buffer segments (write)
Recording density- max (Kbpi)
Track density (Ktpi)
Areal density - max (Gbits/in
Number of data bands
1
Upper 184.5 KB is used for firmware

Figure 2. Mechanical positioning performance

High TPI models
592
100
2,048
7,200
up to 12
up to 56
524
56.7
2
) 29.7
Deskstar 120GXP hard disk drive specifications
10
Low TPI models
2,048
7,200
up to 12
up to 56
31
627
100
547
54
29.7
31