Chapter 7 – XVME-978/2 PCI Ethernet/SCSI Controller Module
7-3
Reference Figure Chapter 7 -2 as you read the directions.
Warning
Always turn off power
to the bus and all related external power supplies
before installing or removing any boards.
1.
Disconnect the power going to the VMEbus chassis.
2.
If the XVME-655 has been inserted in the backplane, remove it before mounting the
XVME-978/2.
3.
Remove the XVME-655 front panel filler plates.
4.
Position the XVME-978/2 SCSI and Ethernet connectors so they fit through the
openings on the XVME-655 front panel. This can be accomplished by tilting the
right side (the side closest to the VMEbus connector) of the XVME-978/2 up until
the connectors fit into the opening.
5.
While still tilting the right side of the XVME-978/2 up, align the keying pins on the
80-pin interboard connector closest to the XVME-655 front panel.
6.
Once the keying pins are aligned, lower the right side of the XVME-978/2 onto the
80-pin connectors on the XVME-655. Apply gentle pressure until the XVME-978/2
is properly seated onto the XVME-655.
Caution
Do not use excessive force or pressure to engage the connectors. If the
boards do not properly connect, remove the module and inspect all
connectors for possible damage or obstructions.
7.
Once the XVME-978/2 is properly seated, affix the front panel filler plates provided
with the XVME-978/2 by snapping them into the opening. Make sure the holes for
the connectors line up.
8.
Secure the XVME-978/2 to the XVME-655 using the screws and standoffs.
9.
Install the XVME-655. Refer to the instructions in Chapter 2.
Jumper Settings
The 978/2 has two jumpers that control SCSI interface operation. Table Chapter 7 -1
describes the jumper settings (
Ö
Ö
Ö
Ö
indicates the default setting).
Table Chapter 7 -1. Jumper Settings
Jumper
A
B
J1
Ö
Selects 16-bit operation
Selects 8-bit operation
J2
Disables the on-board SCSI terminators
Ö
Enables the on-board SCSI terminators
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