Towers and Racks 247
Towers and Racks
#5075 PCI Expansion Tower
The #5075 is attached to Models 270 and 820 for adding up to six disk
units and up to seven PCI IOAs. The #5075 has a 32 MB PCI IOP (CCIN
284B) embedded on the backplane and feature #2842 (when attached to a
Model 270), or the #2843 (when attached to a Model 820) PCI IOPs may
be added. A #4748/#4778 PCI RAID Disk Unit Controller, a #2763 PCI
RAID Disk Unit Controller, or a #9767 Base PCI Disk Unit Controller may
be installed in PCI slot C01 to control the disk units. The #9767 supports
up to four disk units when installed in the #5075. The #5075 contains two
buses.
For Model 270 and 820, select any two of the supported High Speed Link
(HSL) cables. A list of the supported HSL cables is shown in a table on page 271.
Select one of these SPCN cables (for 270 or 820):
• #1463 - 2m SPCN cable
• #1464 - 6m SPCN cable
• #1465 - 15m SPCN cable
The #5075 is capable of controlling Ultra2 SCSI disk units, and a maximum of one disk unit
controller is allowed within a #5075.
On new orders, specify one line cord with each #5075 PCI Expansion Tower. Marketing
configurators default to the line cord type of the system, if the system unit line cord type is not
the #1413.
When the #5075 is attached to the Model 270, the seven PCI IOAs are supported (driven) by
an embedded 32 MB PCI IOP and by feature #2842 PCI IOPs, feature #2890 Integrated
Netfinity Servers or feature #2891/#2899 PCI Integrated xSeries Servers.
When the #5075 is attached to the Model 820, the seven PCI IOAs are supported (driven) by
an embedded 32 MB PCI IOP and by feature #2843 PCI IOPs, feature #2790 Integrated
Netfinity Servers or feature #2891/#2899 PCI Integrated xSeries Servers.
The #5075 PCI Expansion Tower is not supported on Model 830 systems. When performing a
Model 820 to Model 830 upgrade, any #5075 features installed on the Model 820 are not
migrated.
#5075 PCI
Expansion Tower
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