LSI SYM8953U User Manual

Page 18

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3.75 pc

10.25 pc

11.25 pc

38.25 pc

4.333 pc

48.583 pc

52.5 pc

34.5 pc

44.25 pc

2-2

Installing the SYM8953U Host Adapter

electronic components. Handle plug-in boards by the edge;
do not touch board components or gold connector contacts.
The use of a static ground strap is recommended.

Step 5.

Locate the slots for installing a PCI plug-in board.

The SYM8953U requires a PCI slot that allows bus master
operation. See

Figure 2.2

.

Step 6.

Remove the blank bracket panel on the back of the computer
aligned with the PCI slot you intend to use.

Save the bracket screw for securing the installed board.

Step 7.

Carefully insert the edge connector J1 of the host adapter into
the PCI slot. Make sure the edge connector is properly aligned
before pressing the board into place. See

Figure 2.2

.

The bracket around connector J3 (see

Figure 2.1

) should fit

where the blank bracket panel was removed.

Note:

You may notice that the components on a PCI host adapter
face the opposite way from non-PCI adapter boards you
have in your system. This orientation is correct. The board
is keyed and will only go in one way.

Step 8.

Secure the bracket with the bracket screw before making the
internal and external SCSI bus connections.

Step 9.

If you are connecting any internal SCSI devices, plug a 68-pin
connector on the end of the internal SCSI ribbon cable into
connector J2 (see

Figure 2.1

).

Be sure you match pin 1 on both connectors.

Step 10. Connect the LED cable to J4 if desired.

This is designed to drive an off-board system LED and
indicates activity on the SCSI bus. The off-board LED will
operate at the same time as the on-board SCSI Activity LED.

Step 11. Replace the cabinet cover as described in the user’s manual for

your computer.

Step 12. Make all external SCSI bus connections.

Step 13. Refer to the Symbios PCI SCSI Device Management System

SDMS 4.0 User’s Guide (or the guide for the software you will
use) to load the driver software for your particular operating
system.

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