Siemens Nixdorf D970, Technical Manual

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Settings in SCSI Setup Additional Options
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A26361-D970-Z120-3-7619
SCSI Device Configuration
Initiate Sync Negotiation
Devices on the SCSI bus (including the SCSI controller) communicate intelligently
with each other. Before data is transferred across the bus, the sending (initiating)
and receiving (target) devices negotiate and agree on how long each piece of data
will be, and how many pieces will be sent at a time - that is, they agree on how fast
to talk.
If you have operating problems with older SCSI devices, you should disable
Initiate Sync Negotiation
. You may have to make settings on your SCSI devices (see
the SCSI device documentation).
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.
Yes
Cache is enabled (default entry).
No
The function is disabled.
i
Synchronous data transfer is required for fast and ultra SCSI operation.
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.
Yes
Cache is enabled (default entry).
No
The function is disabled.