Performance Characteristics; Internal Drive Characteristics (Transparent To User); Scsi Seek Performance Characteristics (Visible To User); Access Time - Seagate ST34520N - Medalist 4.55 GB Hard Drive Product Manual

Medalist Pro Product Manual, Rev. D
4.0

Performance characteristics

4.1

Internal drive characteristics (transparent to user)

Read/Write Heads
Tracks/Surface, Total
Tracks/Inch
Peak Bits/Inch
Internal Data Rate
Disc Rotational Speed
Average Rotational Latency
4.2

SCSI seek performance characteristics (visible to user) [6]*

The values given in Section 4.2.1 apply to all models of the Medalist Pro family unless otherwise specified.
Refer to Section and to the SCSI Interface Product Manual (part number 77738479) for additional timing
details.
4.2.1

Access time [8]

Average – Typical
Single Track – Typical
Full Stroke – Typical
*[ ] All notes for Section 4.2 are listed at end of Section 4.2.3.
ST39140 ST36530
8 6
9,006 9,006
9,570 9,570
1,715.2 1,715.2
110-193.88 110-193.88
7,200 7,200
4.17 4.17
Including Controller Overhead
(without disconnect) [1] [4]
Drive Level
Read
msec
[3] 9.5
[3] 2.5
[3] 21.0
ST34520
4
9,006 Tracks (user accessible)
9,570 TPI
1,715.2
Mbits/in
110-193.88 Mbits/sec (variable with zone)
7,200 r/min (±0.05%)
4.17 msec
Write
10.5
3.5
23.5
2
9