user manual

Contents
Illustrations
Figures
Figure 1.1 Example of SAS system configuration (Dual port internal
cabled environment) ...................................................................... 18
Figure 1.2 Example of SAS system configuration (Dual port internal
backplane environment)................................................................. 18
Figure 3.1
Cylinder configuration................................................................... 28
Figure 3.2 Spare area in cell............................................................................ 30
Figure 3.3 Alternate cylinder .......................................................................... 30
Figure 3.4 Track format .................................................................................. 31
Figure 3.5 Track skew/head skew...................................................................32
Figure 3.6 Sector format ................................................................................. 32
Figure 3.7 Alternate block allocation by FORMAT UNIT command............ 37
Figure 3.8 Alternate block allocation by REASSIGN BLOCKS
command........................................................................................ 38
Figure 4.1
Dimensions .................................................................................... 41
Figure 4.2 HDD orientations........................................................................... 42
Figure 4.3 Mounting frame structure example................................................ 43
Figure 4.4 Vent hole location.......................................................................... 44
Figure 4.5 Surface temperature measurement points...................................... 45
Figure 4.6 Current waveform (Spin-up).......................................................... 46
Figure 4.7 Current waveform (Max seek)....................................................... 47
Figure 4.8 AC noise filter (recommended) .....................................................48
Figure 4.9 Connector location......................................................................... 48
Figure 4.10 SAS plug connector overview ....................................................... 49
Figure 4.11 Recommended external circuit for Ready LED output ................. 51
Figure 6.1
Test flowchart ................................................................................ 70
Figure 6.2 Bag packaging................................................................................ 76
Figure 6.3 Box packaging ............................................................................... 77
Figure 6.4 Fraction packaging......................................................................... 78
Figure 7.1
Sense data format........................................................................... 80
10 C141-E257