Acer Altos 1100e Acer Altos 1100e User's Guide - Page 147
Configuring Multiple SCSI Controllers
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4.3 Configuring Multiple SCSI Controllers The AHA-3950U2B SCSI controller is used as an example in the following discussion. To use multiple PCI SCSI controllers, do the following: • Install the boot SCSI controller in the lowest PCI Device number. The Device number is determined by the slot number on the PCI bus. To find out the Device number of the AHA-3950U2B SCSI controller(s), run the SCSISelect utility (by pressing the key combination Ctrl + A when it is displayed onscreen at bootup). Look on the first screen of SCSISelect in the upper right hand corner for Bus:Device xx:xxh (given in hex). If the Device number is high, move the AHA-3950U2B to a PCI slot at the other end of the motherboard and rerun SCSISelect to see if the number is lower. This step is a recommended solution for most PCI motherboards. You can also simply switch the AHA-3950U2B SCSI controller into another PCI slot if the boot order is not what is desired. • If you are booting from the AHA-3950U2B and using ISA/EISA-based host adapters as secondary devices, you must disable the BIOS on all ISA/EISAbased SCSI controllers. • If you are booting from ISA/EISA-based SCSI controllers and using the AHA3950U2B as a secondary device, see your ISA/EISA-based SCSI controller documentation to ensure the SCSI controller is at the lowest BIOS base address. ISA/EISA-based SCSI controllers which have their BIOS enabled boot before the AHA-3950U2B. Chapter 4 - SCSISelect Configuration Utility 4-21
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