Towers; Expansion Towers; 5101 30-Disk Expansion Feature; 5057 Storage Expansion Unit - IBM AS/400e User Handbook Manual

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Towers

To house components beyond the capability of the system unit, towers are added. Expansion

and migration towers are offered for new or migrated features respectively.

The #5101 is a disk unit expansion enclosure feature for the #5074 Expansion Tower, the

#9074 Base I/O Enclosure and the #9079 Base I/O Tower. The #5101 includes two 15 disk

unit enclosures, one 765-watt power supply, backplanes, and cables. One #4748 PCI RAID

Disk Unit Controller is required to support the 15 disk units in each of the two disk unit

enclosures included with #5101. Two #4748 PCI RAID Disk Unit Controllers are required to

support 30 disk units.

The #5057 provides space for up to 16 disk units on the #5077 Migration Tower II. The #5057

is shipped on new order #5077s when migrating from a Model 640, S30, or 730, which does

not have a #5055. When migrating from a Model 640, S30, or 730, which have a #5055, the

#5055 is converted to a #5057.

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 PCI RAID Disk Unit Controller or a #2763 PCI RAID Disk

Unit Controller may be installed to control the disk units.

For Model 270, select two (any combination) of the following HSL cables:

• #1460 - 3m Copper HSL cable

• #1461 - 6m Copper HSL cable

For the Model 820, if this is the first or only tower on the HSL loop, select two (any

combination) of the following HSL cable features for this tower. If other towers already exist

on the HSL loop, select one or two (select two if one of the existing HSL cables is too short),

any combination, of the following HSL cable features per tower:

• #1460 - 3m Copper HSL cable

• #1461 - 6m Copper HSL cable

• #1462 - 15m Copper HSL cable

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