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.
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.
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
Summary of Contents for Rimfire 3880
Page 1: ...Rimfire 3880 SCSI Host Bus Adapter User s Guide Ciprico Inc Publication No 21020285 D...
Page 2: ......
Page 4: ...21020285 D User s Guide...
Page 25: ...2 H a r d w a r e E s s e n t i a l s...
Page 42: ...21020285 D User s Guide Chapter 2 Hardware Essentials Page 2 18 Descriptions of Port Usage...
Page 43: ...3 H a r d w a r e I n s t a l l a t i o n...
Page 59: ...4 C o m m a n d O p e r a t i o n...
Page 85: ...5 I n i t i a t o r M o d e P a s s t h r o u g h C o m m a n d s...
Page 103: ...6 T a r g e t M o d e P a s s t h r o u g h C o m m a n d s...
Page 125: ...7 B o a r d c o n t r o l C o m m a n d s...
Page 175: ...8 D e t a i l s o f U s a g e...
Page 193: ...A E r r o r C o d e s...
Page 201: ...B C a b l e s a n d C o n n e c t o r s...
Page 206: ...21020285 D User s Guide Appendix B Cables and Connectors Page B 6 VMEbus Connector Pinouts...
Page 207: ...C S p e c i f i c a t i o n s...
Page 210: ...21020285 D User s Guide Appendix C Specifications Page C 4 Specifications...
Page 211: ...D D e f a u l t s...
Page 216: ...21020285 D User s Guide Appendix D Defaults Page D 6 HardwareDefaults...
Page 217: ...E D e s i g n D i f f e r e n c e s...
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