Compaq TruCluster Server AA-RHGWC-TE Manual page 197

1) that is higher than the master SCM. Both the master SCM
and standby SCM must have the scm_csb_master_eligible
SCM environment variable set.
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We recommend that you put the primary PCI drawers
that contain the master and standby SCM in the power
cabinet. They both must be connected to the OCP.
3
One to eight power system managers (PSMs), one for each QBB
3
One to 16 PCI backplane managers (PBMs), one for each PCI
backplane
3
A hierarchical switch power manager (HPMs), if the H-switch
is present
– Local terminal/COM1 port (on the standard I/O module): Connect a
cable from the local terminal port on the standard I/O module to the
terminal server for each partition. The terminal server is connected
to the system management console (PC) that provides a terminal
emulator window for each console.
– Modem port (on the standard I/O module)
– Two universal serial bus (USB) ports (on standard I/O module)
– Keyboard port
– Mouse port
– Operator Control panel (OCP) port
– Parallel port
– A communication port (COM2)
The BA54A-BA PCI drawer is an expansion PCI drawer (top PCI drawer
in Figure 7–2 and Figure 7–3) and contains:
– Two I/O riser modules (for connection to a QBB I/O riser module)
– Two power supplies (which provides a redundant power supply)
– Two PCI backplanes. Each PCI backplane has 2 PCI buses, each
with seven available slots.
– Console serial bus interface module
Figure 7–2 shows the front view of an expansion and a primary PCI drawer.
The primary PCI drawer is on the bottom. You can easily recognize it
because of the CD-ROM, keyboard and mouse ports, COM2 and parallel
ports, and connection to the OCP. Figure 7–3 shows the rear view of both
Using GS80, GS160, or GS320 Hard Partitions in a TruCluster Server Configuration 7–5
Note __________________