68
007-4653-001
4: IX-brick
Also important to the IX-brick architecture is the IO9 PCI card. This card contains logic
that controls the DVD-ROM and internal SCSI disk drives, and it provides the following
connectors (see Figure 4-3):
•
External VHDCI SCSI port connector.
•
Internal SCSI port connector that connects to two SCSI disks.
•
Gigabit Ethernet RJ45 connector.
•
Two RT interrupt stereo jack connectors (one input connector labeled
RTI
, and one
output connector labeled
RTO
).
•
Two RS-232 DB-9 serial port connectors. (These two connectors are not located on
the IO9 PCI card; instead, they are located on the right side of the IX-brick rear
panel [see Figure 4-5 on page 73].)
•
You can also add an optional daughtercard to the IO9 card that adds two additional
RS-232 DB-9 serial port connectors to the IX-brick.
Summary of Contents for Origin 3900
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