Host Adapter Parameters - Compaq AlphaServer GS60 Operation Manual

Table C-3 Host Adapter Parameters
Parameter Default
FIFO 2 (KFTIA)
Threshold
3 (KZPBA)
Host Adapter 1
Enable
Initiator SCSI 7
ID
Bus Reset 1
Delay
Retry Count 0
Retry Delay 1
Asynchronous 9
Data Setup
Time
C-12 AlphaServer 8200/8400 Operations Manual
Description
Sets the FIFO threshold
point at which burst
transfers are requested
on the ISP1020/1040
adapter.
Determines whether the
BIOS recognizes the
ISP1020/1040 host
adapter.
Sets the SCSI ID for the
ISP1020/1040.
Sets the delay (after
resetting the SCSI bus)
before the firmware
initiates any SCSI
activity.
Determines the number
of times the firmware
attempts to retry a
selection timeout or a
busy status.
Sets the time (in 100
microsecond increments)
that the firmware waits
before reattempting an
operation.
Sets the number of clock
periods the
ISP1020/1040 host
adapter card waits after
driving the SCSI data
signals before asserting a
SCSI bus acknowledge
signal.
Reason to Change
Optimize system
performance. ¹
Disable the host adapter
without physically
removing it from the
system.
If a SCSI bus has
multiple SCSI adapters.
Optimize system
performance. ¹
Optimize system
performance. ¹
Optimize system
performance. ¹
Optimize system
performance. ¹