Adaptec 19160 User Reference - Page 21

Installing Multiple SCSI Cards - scsi controller availability

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Using the Adaptec SCSI Card 19160 and SCSI Devices Installing Multiple SCSI Cards s You can install multiple SCSI cards in your computer; you are limited only by the available system resources (for example, IRQ settings, I/O port addresses, BIOS addresses, and so forth) and the systems ability to share them. s Each SCSI card you install forms a separate SCSI bus with a different set of SCSI devices. SCSI IDs can be reused as long as the ID is assigned to a device on a different SCSI card (for example, each SCSI card can have a device with SCSI ID 2). s If you have two or more SCSI cards and your computer boots from a SCSI disk drive, leave the SCSI card BIOS enabled on the SCSI card to which the boot disk drive is connected. Disable the SCSI card BIOS on the other SCSI card(s). Note: Drives not under SCSI BIOS control will not be accessible in the operating system unless the correct drivers are loaded. See the SCSI card's documentation for instructions on loading its drivers. 15

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15
Using the Adaptec SCSI Card 19160 and SCSI Devices
Installing Multiple SCSI Cards
You can install multiple SCSI cards in your computer; you are
limited only by the available system resources (for example,
IRQ settings, I/O port addresses, BIOS addresses, and so forth)
and the systems ability to share them.
Each SCSI card you install forms a separate SCSI bus with a
different set of SCSI devices. SCSI IDs can be reused as long as
the ID is assigned to a device on a different SCSI card (for
example, each SCSI card can have a device with SCSI ID 2).
If you have two or more SCSI cards and your computer boots
from a SCSI disk drive, leave the SCSI card BIOS enabled on the
SCSI card to which the boot disk drive is connected. Disable the
SCSI card BIOS on the other SCSI card(s).
Note:
Drives not under SCSI BIOS control will not be
accessible in the operating system unless the correct
drivers are loaded. See the SCSI card’s documentation
for instructions on loading its drivers.