HP 98568A Installation Instruction page 204

HP 98265A Small Computer Systems Interface (SCSI)
Installation Procedure
1. Play It Safe.
a. Turn your computer off and unplug the power cord.
b. Remove the SCSI Interface from its envelope, being careful to handle
the card only by its edges and metal end plate. The card may be easily
damaged by electrostatic discharge (static zap).
c. Place the card on the envelope.
2. Locate the System Interface Board.
Figure 5-43.
System Interface Board
5-108 Adding Interface Cards