IBM TotalStorage NAS 300, User Reference

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Extended Error Logging
Provides additional error and debug information to the operating system.
When enabled, events are logged into the Windows NT or Windows 2000
Event Viewer. The default is Disabled.
Extended Firmware Settings
You can access this option from the Configuration Settings menu. The default
settings for the FAStT Host Adapter are listed in Table 38 and described
immediately following the table.
Table 38. Extended firmware settings
Setting Options Default
Extended Control Block Enabled or Disabled Enabled
RIO Operation Mode 0, 1, 2, 3, 4 0
Connection Options 0, 1, 2, 3 3
Class 2 Service Enabled or Disabled Disabled
ACK0 Enabled or Disabled Disabled
Fibre Channel Tape Support Enabled or Disabled Disabled
Fibre Channel Confirm Enabled or Disabled Disabled
Command Reference
Number Enabled or Disabled Disabled
Read Transfer Ready Enabled or Disabled Disabled
Response Timer 0-255 0
Interrupt Delay Timer 0-255 0
Extended Control Block
Enables all other extended firmware settings. The default is Enabled.
RIO Operation Mode
Specifies the reduced interrupt operation (RIO) modes, if supported by the
software driver. RIO modes allow posting multiple command completions in
a single interrupt (see Table 39). The default is 0.
Table 39. RIO operation modes
Option Operation mode
0 No multiple responses
1 Multiple responses, 16 bit handles, interrupt host
2 Multiple responses, 32 bit handles, interrupt host
3 Multiple responses, 16 bit handles, delay host interrupt
4 Multiple responses, 32 bit handles, delay host interrupt
Connection Options
Defines the type of connection (loop or point to point) or connection
preference (see Table 40). The default is 3.
Table 40. Connection options
Option Type of connection
0 Loop only
1 Point-to-point only
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NAS Gateway 300 User’s Reference