Siemens D981 Technical Manual page 24

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Additional Options
When Sync Negotiation is disabled, the Ultra-Wide SCSI controller will automatically
go into synchronous mode if it receives a request from one of your SCSI devices.
It can, however, also exchange data with slow SCSI devices.
The function is enabled (default entry).
Yes
The function is disabled.
No
Synchronous data transfer is required for fast and ultra SCSI operation.
i
Initiate wide negotiation
This option determines whether the SCSI controller attempts 16-bit data transfer
(Wide SCSI) instead of 8-bit data transfer.
Only disable Initiate Wide Negotiation if you do not use any wide SCSI devices or if
8 bit SCSI devices have problems during operation. You may have to make
settings on your SCSI devices. (refer to the documentation supplied with your
SCSI device).
Fast SCSI devices, including the ultra-wide SCSI controller, are capable of
transferring data to and from the SCSI bus at speeds ranging up to 40 Mbyte/s.
The function is enabled (default entry).
Yes
The function is disabled.
No
Maximum Sync Transfer Rate
Fast SCSI devices (ultra-wide), including the ultra-wide SCSI controller, are
capable of transferring data to and from the SCSI bus at speeds ranging up to
40 Mbyte/s at synchronous data transfer. If you have entered Enabled in the
Support for Ultra SCSI Speed menu item, the transfer rate of 40 Mbyte/s is entered
automatically.
24 - English
SCSI Setup
A26361-D981-Z120-9-7419

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