5486Towr.fm Draft Document for Review October 18, 2004
268 IBM Eserver i5 and iSeries System Handbook
Optical Bus Adapters, or one each of #9691 and #9739, to provide the HSL
interface to the system.
The #5079 can control Ultra2 SCSI disk units and supports
up to four removable media devices (internal tape,
CD-ROM, or DVD-RAM). These removable media devices
are supported by the two #2757/#4748/#4778 PCI RAID
Disk Unit Controllers, which support the first two groups of
15 disk units. Up to six #2757/#4748/#4778s are supported
per #5079.
The upper and lower enclosures (#5074s) in the #5079 are
not connected with an HSL cable. If both enclosures of the
#5079 are to be placed in the same HSL loop, a #1460 3m
Copper HSL cable must be ordered to connect the upper
and lower enclosures. Or, if both enclosures of the #5079
are to be placed in the same optical HSL loop, a #1470 6m
Optical HSL cable must be ordered to connect the upper and lower enclosures.
The #5074 is the default when a PCI IOP or IOA is ordered that requires a PCI
expansion unit. The #5079 may be specified on the extra controllers screen. For
each #5079 ordered, a quantity of two #0574 (#5074 equivalent) specify codes is
added to the order. If a #5079 is to be shared between two systems, one #0574
must be removed from the original ordering system and added to the sharing
system, using an RPO change.
Select any two to four of the supported HSL cables for each additional tower. A
list of the supported HSL cables is shown in the table on page 299.
Select two SPCN cables per tower. A list of the supported SPCN cables is shown
in the table on page 299.
A #5079 has two #9943 Base PCI IOPs. It also has PCI slots for up to up to 22
PCI IOAs, and space for up to 90 disk units.
The 22 PCI IOAs are supported (driven) by feature #2843 PCI IOPs, #2844 PCI
IOPs, the #2790 PCI Integrated Netfinity Server, or the #2791/#2792/#2799 or
#4710 PCI Integrated xSeries Servers.
On new orders, select two line cords with each #5079 1.8 M PCI I/O Expansion
Tower. At least one #0574 specify feature must be ordered for any #5079 initial
order.
#5079 1.8 M PCI
I/O Expansion Tower
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