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AcerAltos 19000 User’s Guide
7-14
Initiate Wide Negotiation
This option allows communication between all devices (lower 8-bit or upper 8-bit)
on the wide (16-bit) SCSI bus. When set to yes, each device can connect on the
bus. When set to no (disabled), communication can only occur on the lower 8-bits
of the 16-bit SCSI bus. The default setting is yes.
Send Start Unit Command
This option, which is supported by some SCSI devices, determines whether the
Start Unit Command (SCSI command 1B) is sent to the SCSI device (most devices
do not require this). Enabling this option reduces the load on your computer's
power supply by allowing the SCSI controller to power-up SCSI devices one-at-a-
time when you boot your computer. Otherwise, the devices all power-up at the
same time. Most devices require you to set a jumper before they can respond to
this command.
When set to yes, the Start Unit Command is sent to the SCSI device during
bootup. When set to no, each SCSI device powers-up in its normal fashion. The
default setting is no.
The Send Start Unit Command setting is
valid only if the host adapter BIOS is
enabled.