Acer AcerAltos 19000 User Manual page 161

Acer aceraltos 19000 user's guide
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Try enabling Include in BIOS Scan in the SCSI Device Configuration option
of the SCSISelect utility. See the section "SCSI Device Configuration".
Be sure to cycle the power OFF and ON after changing any values on a SCSI
controller, in a Setup program, or on a SCSI device. This ensures that the new
initial values are loaded.
Be sure that SCSI parity checking is consistently enabled or disabled on all
devices on the SCSI bus.
Verify that the SCSI controllers and the SCSI devices are properly configured
and installed.
Be sure that the SCSI bus is properly terminated.
Be sure that, if necessary, the disk has a partition and is formatted.
Check SCSI parity for consistency and be sure SCSI termination is set
correctly.
Check cable length and integrity. Check pin-1 orientation.
If the SCSI controller LED remains on when the computer hangs, the host
adapter may be interfering with your computer's operation. It may be
installed in a motherboard slot that does not support First-Party DMA (i.e.,
Bus Master) data transfers. See your computer documentation.

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