Quantum Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB, Product Manual

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Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives 4-1
Chapter 4
SPECIFICATIONS
This chapter provides a detailed description of the physical, electrical, and
environmental characteristics of the Quantum Atlas 10K II 160/m SCSI hard disk
drives.
4.1 SPECIFICATION SUMMARY
Table 4-1 Specifications
DESCRIPTION
QUANTUM
ATLAS 10K II
9.1 GB
QUANTUM
ATLAS 10K II
18.4 GB
QUANTUM
ATLAS 10K II
36.7 GB
QUANTUM
ATLAS 10K II
73.4 GB
Formatted Capacity 9.10 GB 18.4 GB 36.7 GB 73.4 GB
Nominal Rotational Speed (rpm) 10,000 10,000 10,000 10,000
Number of Disks 2 3 5 10
Number of R/W Heads 3 5 10 20
Maximum Areal Density
(Gb/square inch)
7.7 7.7 7.7 7.7
Data Organization:
User Data Tracks per Surface 17337 17337 17337 17337
Data Bands per Surface 24 24 24 24
User Data Track Pitch
(at 14,200 tpi) 22500 22500 22500 22500
Data Blocks/Track 301 – 528
(ID – OD)
301 – 528
(ID – OD)
301 – 528
(ID – OD)
301 – 528
(ID – OD)
Data Cylinders 17337 17337 17337 17337
Servo Sectors:
Servo Spokes/Track
Servo Sample Interval 132 (all tracks)
45.45
µ
sec
132 (all tracks)
45.45
µ
sec
132 (all tracks)
45.45
µ
sec
132 (all tracks)
45.45
µ
sec
Bytes Per Sector 512 to 524 512 to 524 512 to 524 512 to 524
Recording:
Recording Technology ID-less Split
Sector
ID-less Split
Sector
ID-less Split
Sector
ID-less Split
Sector
Linear Density (Kfci) ID = 341.6
OD = 306.1
ID = 341.6
OD = 306.1
ID = 341.6
OD = 306.1
ID = 341.6
OD = 306.1
Encoding Method 50/52 RLL
PRML
50/52 RLL
PRML
50/52 RLL
PRML
50/52 RLL
PRML