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21020285 D User’s Guide
Chapter 7 Board-control Commands
Page 7 - 34 Board Information (15H)
Description of
Fields
The Data Structure returned from a Board Information command contains the
fields shown on the following pages.
Select Flags
This field displays the selections currently valid for the Select Flags field of
the General Options command. The format of the Select Flags byte is as
follows:
DIS Disconnect/Reconnect - This bit indicates whether the RF3880
adapter will allow peripherals to disconnect from the SCSI bus while
performing a command.
0 ⇒ Disconnect/Reconnect is disallowed.
1 ⇒ Disconnect/Reconnect is allowed.
PAR Check SCSI Bus Parity - This bit indicates whether the adapter reports
errors in parity that occurred on the SCSI bus.
0 ⇒ Parity will not be checked.
1 ⇒ SCSI parity will be checked.
BMT Block Mode Transfers - This bit indicates how the adapter is set to
perform Block Mode transfers.
0 ⇒ Block Mode transfers will occur only for Address Modifiers listed in the
VME specification.
1 ⇒ Block Mode transfers will be performed regardless of Address Modifier
used.
BITS
76543210
00000BMTPARDIS
Table 92: Board Information - Select Flags Field