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• on — Turns on both low 8 bits and high 8 bits
• diff — Places the bus in differential mode
The KZPBA-CB is a Qlogic ISP1040 module, and its termination is
determined by the presence or absence of internal termination resistor SIPs
RM1-RM8. Therefore, the pk*0_soft_term environment variable has no
meaning and it may be ignored.
Example 4–6 shows the use of the show isp console command to display
the console environment variables for KZPBA-CBs on an AlphaServer 8x00.
Example 4–6: Displaying Console Variables for a KZPBA-CB on an
AlphaServer 8x00 System
P00>>>show isp*
isp0_host_id 7
isp0_soft_term on
isp1_host_id 7
isp1_soft_term on
isp2_host_id 7
isp2_soft_term on
isp3_host_id 7
isp3_soft_term on
isp5_host_id 7
isp5_soft_term diff
Both Example 4–3 and Example 4–4 show five isp devices; isp0, isp1,
isp2, isp3, and isp4. In Example 4–6, the show isp* console command
shows isp0, isp1, isp2, isp3, and isp5.
The console code that assigns console environment variables counts every I/O
adapter including the KZPAA, which is the device after isp3, and therefore
logically isp4 in the numbering scheme. The show isp console command
skips over isp4 because the KZPAA is not a QLogic 1020/1040 class module.
Example 4–3 and Example 4–4 show that isp0, isp1, isp2, and isp3
are devices on the internal KFTIA PCI bus and not on a shared SCSI bus.
Only isp4, the KZPBA-CB, is on a shared SCSI bus (and the show isp
console command displays it as isp5). The other three shared SCSI buses
use KZPSA-BBs (Use the show pk* console command to display the KZPSA
console environment variables.)
4–16 TruCluster Server System Configuration Using UltraSCSI Hardware