Sci Adapter Card Scrubber Jumpers - Sun Microsystems Sun HPC 3.0 Manual

SCI Adapter Card Scrubber Jumpers

Each SCI adapter card has a jumper, called the scrubber jumper. This jumper
configures the scrubber circuit, which controls link maintenance functions. Figure 1–5
shows its location on the SCI adapter card.
Figure 1–5 Location of the Scrubber Jumper
Table 1–1 specifies the appropriate scrubber jumper settings for unswitched and
switched SCI networks.
Scrubber Jumper Settings
TABLE 1–1
Topology
Two nodes (unswitched)
Three or four nodes (switched)
SCI SBus Card Jumper Settings
Set one jumper ON and the other jumper OFF in each
connected pair of SCI adapter cards. See Figure 1–6
for examples of two-node jumper settings.
Set all jumpers ON.
Preparing for SCI Installation
7