HP Workstation x1000 hp workstations general - adaptec RAID installation guide - Page 36

determining the booting controller, controller IRQ and address

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Adaptec RAID Installation Guide controller, you may need to move another controller in your system to accommodate this requirement. 4 SCSI only-Connect any external cables to the controller. Note: If you have disk drives attached to a SCSI controller with a Symbios chipset, use SMOR to set the Bootable Devices option to Disable. determining the booting controller Adaptec RAID controllers are shipped with a controller BIOS ROM enabled for PCI assignment. This BIOS intercepts and processes Int13 BIOS calls with an embedded DOS driver. The controller BIOS ROM can be disabled or the address changed automatically by the system's Plug-and-Play BIOS. In systems with multiple Adaptec controllers, the first Adaptec RAID controller found during boot loads its BIOS and installs all of the other Adaptec controllers. Any additional Adaptec RAID controllers that are found automatically detect the presence of the first controller and disable their BIOS. The disk controller that has the lowest BIOS ROM address (typically, the lowest PCI slot number) will become the booting controller. Ensure that the Adaptec ROM occupies the lowest address if you want the Adaptec controller to be the booting controller in a system with controllers from multiple manufacturers. Some system BIOS manufacturers select the smallest add-in BIOS as the first candidate, therefore slot selection has no effect on which adapter BIOS loads first. In this case, you need to disable the BIOS on selected adapters to control which adapter is the boot controller. This procedure can also be helpful in situations where it is physically difficult to manage the slot order. controller IRQ and address During the host system boot process, the system BIOS should automatically configure the controller BIOS interrupt level (IRQ) and memory location for all Adaptec PCI controllers in the system. Refer to Appendix C for additional help. 2-10

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2-10
Adaptec RAID Installation Guide
controller, you may need to move another controller in your
system to accommodate this requirement.
4
SCSI only
—Connect any external cables to the controller.
Note:
If you have disk drives attached to a SCSI controller
with a Symbios chipset, use SMOR to set the Bootable
Devices option to
Disable
.
determining the booting controller
Adaptec RAID controllers are shipped with a controller BIOS
ROM enabled for PCI assignment. This BIOS intercepts and
processes Int13 BIOS calls with an embedded DOS driver.
The controller BIOS ROM can be disabled or the address changed
automatically by the system’s Plug-and-Play BIOS. In systems
with multiple Adaptec controllers, the first Adaptec RAID
controller found during boot loads its BIOS and installs all of the
other Adaptec controllers. Any additional Adaptec RAID
controllers that are found automatically detect the presence of
the first controller and disable their BIOS. The disk controller
that has the lowest BIOS ROM address (typically, the lowest PCI
slot number) will become the booting controller.
Ensure that the Adaptec ROM occupies the lowest address if you
want the Adaptec controller to be the booting controller in a
system with controllers from multiple manufacturers.
Some system BIOS manufacturers select the smallest add-in
BIOS as the first candidate, therefore slot selection has no effect
on which adapter BIOS loads first. In this case, you need to
disable the BIOS on selected adapters to control which adapter is
the boot controller. This procedure can also be helpful in
situations where it is physically difficult to manage the slot order.
controller IRQ and address
During the host system boot process, the system BIOS should
automatically configure the controller BIOS interrupt level (IRQ)
and memory location for all Adaptec PCI controllers in the
system. Refer to
Appendix C
for additional help.