User`s guide

KZPBA-CA PCI-to-UltraSCSI Storage Adapter
A–4 EK–KZPBA–UG. B01
Table
A
–1 Descriptions of Host Adapter Parameters (KZPBA-CA General
Operation) (
Continued
)
Parameter Default Description Option
Hi
g
h
Termination
Enable
1 Provides termination to the hi
g
h-
order eight bits.
Set to 0 if termination
not required on hi
g
h-
order 8-bits, or not
required on the
board. See
termination section
of this
g
uide for
termination
requirements.
Selection Time-
out
250 Sets the selection phase time-out
value.
Table A–4 shows the
time-out values
available.
Maximum
Queue Depth
256 Specifies the maximum number of
outstandin
g
commands issued to
each SCSI tar
g
et. When the
number is reached, new commands
are returned with Queue Full
Status.
0 to 64K commands
FIFO 128
Threshold
Enable
0 Enables or disables the FIFO burst
length of 128 bytes.
Set to 1 to enable the
FIFO 128 Threshold.
Fast RAM
enable
1 Provides no wait state, fastest
performance.
Set to 0 to require a
wait state, slower
performance. (Not
recommended.)
SCSI Reset
Disable
0 Allows the BIOS code to issue a
SCSI reset durin
g
BIOS
initialization.
Set to 1 to prevent
the BIOS code from
issuin
g
a SCSI reset
durin
g
BIOS
initialization.
Enable Auto
Termination
1 Enables or disables the adapter’s
auto termination. Auto termination
circuitr
y
senses if proper SCSI bus
termination is present and
terminates the bus, if not.
Set to 0 to disable
auto termination.