Ciprico Rimfire 3880 Benutzerhandbuch
21020285 D
User’s Guide
Appendix D Defaults
Page D - 4
Hardware Defaults
Command
Defaults
If you do nothing to change the board operation by using the available Board-
control commands, the adapter uses defaults. These are listed below. For more
information see Chapter 7.
control commands, the adapter uses defaults. These are listed below. For more
information see Chapter 7.
Command Parameters
Default Values
Meaning
Identify
- returned in the status block
Engineering Revision
XX
Depends on revision.
Firmware Revision
XX
Day, Month, Year
XXXXXX
Options Flags = 14H
Tag
bit 2 = 1
Tagged commands supported.
Reset
bit 4 = 1
SCSI bus will reset at adapter reset - set by
board jumper default setting.
board jumper default setting.
SCSI ID bits 0, 5, 6, 7 = 0 Set by board jumper default settings.
FW # of Even Prom
XXXXXXXX
Depends on revision.
General Option
- these are used if you set nothing yourself
Bus Throttle
0BH
2048 bytes per burst.
Select Flags = 03H
Disconnect/Reconnect
bit 0 = 1
Allow Disconnect/Reconnect.
SCS Bus Parity
bit 1 = 1
Check for SCSI parity errors.
Block Mode Transfers
bit 2 = 0
Block Mode transfers depend on address
modifiers.
Unit Options and Extended Unit Options
- used if you set nothing
Disconnect Timeout
0H
No timeout occurs
Retry Limit
0H
No retries enabled.
Retry Control = 0H
Issue Interrupt
bit 0 = 0
No interrupt on retry.
Issue Status Block
bit 1 = 0
No Status Block on retry.
Retry Parity Errors
bit 2 = 0
No retry for parity errors.
Retry Command Errors
bit 3 = 0
No retry for device errors.
Retry Bus Errors
bit 4 = 0
No retry for bus errors.
Select Timeout
FAH
250 milliseconds.
Unit Flags = 0H
Untagged Queue
bit 0 = 0
Send one command at a time.
Synch Negotiation
bit 1 = 0
Will not initiate synchronous negotiation.
Inhibit ATN Signal
bit 2 = 0
ATN will be asserted.
Wide Transfers
bit 3 = 0
Will not initiate wide negotiation.
Tagged Commands
bit 6 = 0
Tagged commands not negotiated.
Sense Count
08H
First eight bytes of Sense Data.
Selected Sense Bytes
all = 0
First eight bytes of Sense Data returned.
Board Information
- these are returned in a Data Structure
Select Flags = 03H
Disconnect/Reconnect
bit 0 = 1
Allow Disconnect/Reconnect.
SCSI Bus Parity
bit 1 = 1
Check for SCSI parity errors.
Block Mode Transfers
bit 2 = 0
Block Mode transfers depend on address
modifiers.
Bus Throttle
0BH
2048 bytes per burst.
Table 127: Command Defaults