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Table 6. RIO options and operation modes
Option
0
5
Connection options: This setting defines the type of connection (loop or
point-to-point) or connection preference (see Table 7). The default is 2.
Table 7. Connection options
Option
0
1
2
Fibre Channel tape support: This setting is reserved for Fibre Channel tape
support. The default is Disabled.
Interrupt delay timer: This setting contains the value (in 100-microsecond
increments) used by a timer to set the wait time between accessing a set of
handles and generating an interrupt using direct memory access (DMA). The default
is 0.
Data rate: This setting determines the data rate. The default setting is 2.
Table 8. Data rate options
Option
0
1
2
Scan Fibre Channel devices
Use this option to scan the Fibre Channel loop and list all the connected devices by
loop ID. Information about each device is listed, for example, vendor name, product
name, and revision. This information is useful when you are configuring your FAStT
FC2-133 Adapter and attached devices.
Fibre Channel disk utility
Attention:
Use this option to scan the Fibre Channel loop bus and list all the connected
devices by loop ID. You can select a disk device and perform a low-level format or
verify the disk media or data.
Loopback data test
Use this option to verify the adapter basic transmit and receive functions. A Fibre
Channel loop back connector option must be installed into the optical interface
connector on the FAStT FC2-133 Adapter before starting the test. See Figure 2 on
page 4 for the location of the optical interface connector.
Operation mode
No multiple responses
Multiple responses with minimal interrupts
Type of connection
Loop only
Point-to-point only
Loop preferred; otherwise, point-to-point
Data rate
1 GB/s
2 GB/s
Auto select
Performing a low-level format removes all data on the disk.
Chapter 3. Using IBM Fast!UTIL
21
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