IBM 59P5712 manual Extended firmware settings

Table 3. 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
NonParticipating hard ID	Enabled or Disabled	Disabled
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	Enabled or Disabled	Disabled
number
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 device driver. RIO modes enable posting multiple command completions in a single interrupt (see Table 4). The default is 0.

Table 4. 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 5 on page 28). The default is 3.

Appendix A. Fast!UTIL 27