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Configuration Settings
A – Fast!UTIL
A-2
DC8151101-00 C
A.2.1
Host Adapter Settings
From the Configuration Settings menu in Fast!UTIL, select Host Adapter
Settings. Default settings for the QLA12160 host adapter board are listed in
table A-1
and described in the following paragraphs.
■
Host adapter BIOS. When this setting is Disabled, the ROM BIOS on the
QLA12160 board is disabled, freeing space in upper memory. The RAM
BIOS and other drivers still recognize the QLA12160 board. Do not disable
this setting when you are booting from a SCSI disk drive attached to the
QLA12160 board. The default is Enabled (ROM BIOS on the QLA12160
board is enabled).
■
PCI bus DMA burst. When this setting is Enabled, burst transfers are
performed. When this setting is Disabled, data is transferred in nonburst
mode, with each cycle initiated by a new address phase. The default is
Enabled.
■
CDROM Boot. When this setting is Enabled, the ROM BIOS boots from the
attached SCSI CD-ROM when a bootable compact disk is installed. If no
bootable CD-ROM is found, the system boots from the first bootable SCSI
drive. When this setting is disabled, the ROM BIOS does not boot from the
CD-ROM. The default is Disabled.
■
Adapter Configuration
❑
Auto. The ROM BIOS automatically configures the QLA12160 board to
match any SCSI device attached to the board and selects optimum
performance. The default is Auto.
❑
Manual. You can control the configuration settings for each SCSI device
and have the option of running Autoconfigure.
See section A.2.4
to have
Fast!UTIL configure the devices.
NOTE: Changing any value can cause performance problems or
incorrect device operation.
Table A-1. Host Adapter Settings
Setting
Options
Default
Host adapterBIOS
Enabled, Disabled
Enabled
PCI bus DMA burst
Enabled, Disabled
Enabled
CDROM Boot
Enabled, Disabled
Disabled
Adapter Configuration
Auto, Manual, Safe
Auto
Drivers load RISC code
Enabled, Disabled
Enabled
>4 Gbyte Addressing
Enabled, Disabled
Disabled
Fast Command Posting
Enabled, Disabled
Enabled