Grounding - Seagate HAWK 4 Series Product Manual

Product Manual - Hawk 4 Family (Wide) SCSI-2 (Volume 1), Rev. E 37
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10.2

Grounding

Signal ground (PCB) and HDA ground are connected together in the ST15230 drive and cannot be separated
by the user. The equipment in which the drive is mounted is connected directly to the HDA and PCB with no
electrically isolating shock mounts. If it is desired for the system chassis to not be connected to the HDA/PCB
ground, the systems integrator or user must provide a nonconductive (electrically isolating) method of mount-
ing the drive in the host equipment.
The interface physical characteristics for the "WC" and "DC" models are given in Figure 11.6.3-1b and in
Tables 11.6.3-1b and 11.6.3-1d.