8
_____________________________________________________________________________________
5.0
Performance characteristics
5.1
Internal drive characteristics (transparent to user)
Drive Capacity
Read/Write Heads
Bytes/Track
Bytes/Surface
Tracks/Surface, Total
Tracks/Inch
Servo Heads
Internal Data Rate
Disc Rotational Speed
Average Rotational Latency 5.54 ...................... 5.54 ............... ms
*Rounded off values.
5.2
SCSI Seek, Read and Write performance characteristics (visible to user) [8]*
The values given in section 5.2 apply to all models of the Hawk 2LP family unless otherwise specified. Refer
to Section 11.7 and to the SCSI-2 Interface Product Manual 77738479 for additional timing details.
5.2.1
Access time
Average
-
Single Track
-
Product Manual - Hawk 2LP Family SCSI-2 (Volume 1), Rev. F
ST32430N/ND
2.59 ...................... 1.28 ............... GByte (UNF)*
9 ........................... 5
72000 ................... 64242 ............ Bytes (Avg)*
287.7 .................... 255.6 ............. Mbytes (UNF)
3992 ..................... 3992 .............. Tracks (user accessible)
4200 ..................... 4200 .............. TPI
1 ........................... 1
35.8 - 62.2 ............ 33.9 - 56.7 ..... Mbits/sec (variable with zone)
5411+ 0.5% .......... 5411 +0.5% ... r/min
Typical
[3]
Max.
[2]
Typical [3]
ST31230N/ND
Including Controller Overhead
(without disconnect) [1] [4]
Drive Level
Read
Write
ms
10.4
11.4
11.9
13.4
2.1
2.5