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Installing the Md4/PCX Board and Driver in a Digital UNIX Workstation
Issues with Digital Personal Workstations
The DOME device driver for the Md4/PCX board was
developed on the Digital 500au Personal Workstation.
This section describes issues encountered with that work-
station. These issues may not apply to all Digital Personal
Workstations.
The 500au workstation contains five PCI option slots:
• Three are 32-bit PCI slots
• Two are 64-bit PCI slots. The 64-bit slots are longer and
are located toward the bottom of the computer.
Limitations of the Digital UNIX 64-bit PCI slots
The Md4/PCX board is fully PCI compliant, but the 64-bit
PCI slots in the 500au are not. To use the Md4/PCX board
in any of the 64-bit PCI slots, you must first configure them
to accept non-Digital PCI boards.
If you want to configure the 64-bit slots to accept the
Md4/PCX board, see "To set the 64-bit slot to accept a
DOME PCX board" on page 120.
If you do not configure the 64-bit slot to accept the
Md4/PCX board, you must install the board in one
of the 32-bit slots.
If you install your board in one of the 64-bit slots before
you configure the slot to accept it, a message similar to this
one will appear (the slot number may differ):
Illegal device detected on primary bus
Power down the system and remove the
in physical slot 4
unsupported device from slot 4
129
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