58
Use the cursor (
)a nd Enter keys to select the SCSI ID, if you need to
cha nge it . Press Esc a t a ny time to return to the previous menu.
When selecting the host a da pter SCSI ID, consider the following:
¨
If you insta ll more tha n one SCSI host a da pter in the computer, ea ch
boa rd ha s its own SCSI bus. This mea ns devices ca n ha ve duplica te SCSI
IDs, a s long a s they a re not on the sa me SCSI bus (e.g. ea ch SCSI bus ca n
ha ve a device with SCSI ID 0 , ets.).
¨
If you pla n to connect two host a da pters in two different computers to the
sa me SCSI bus to they ca n sha re SCSI devices ( see Appendix C, Multiple
Computer Configura tion ), set the host a da pters to different SCSI IDs . IDs
6 a nd 7 a re prefera ble , since they ha ve the highest priority on the SCSI
bus.
5.3.2 SCSI Parity Checking
Select this option to ena ble or disa ble SCSI Pa rity Checking on the host
a da pter.
The default setting is Enable.
The host a da pter a lwa ys checks pa rity when rea ding from the SCSI bus to
verify the correct tra nsmission from your SCSI devices . You should
disa ble SCSI Pa rity Checking if a ny a tta ched SCSI devices do not
support SCSI pa rity . (Most currently a va ila ble SCSI devices do support
SCSI pa rity.)
Use the cursor (
) a nd
Enter
keys to ma ke selections . Press
Esc
a t
a ny time to return to the previous menu.
5.3.3 Host Adapter SCSI Termination
This option a llows you to configure host a da pter SCSI termina tion. These
show the choices a va ila ble if you ha ve a n P54TS (AIC-7850) a nd
P54TSW2 (AIC-7880). The defa ult setting for the P54TS is
Enabled
. The
defa ult setting for the P54TSW2 is
Low
ON /
High
ON
; this menus tha t
termina tion is ena bled for both the low a nd the high bytes of the 16 -bit
Wide SCSI bus.
Note: Bits 0 through 7 are the low byte; bits 8 through 15 are the high
byte.
Use the cursor (
) a nd
Enter
keys to ma ke your selection .
P54TS/P54TSW2 SCSI Termina tion is determined by which of the SCSI
connectors on the boa rd ha ve devices a tta ched to them . The possible
P54TS termina tion settings a re a s follows:
Host Adapter Termination
Devices Are Attached to
Ena bled
Interna l connector only
Ena bled
Externa l connector only
Содержание P55TU
Страница 4: ......