Towers and Racks 259
Towers and Racks
#5077 Migration Tower II
The #5077 is a feature I/O tower, which supports SPD I/O cards and attaches SPD Expansion
Towers and #5065/#5066 PCI Expansion Towers. The #5077 is supported on Models 830 and
840, SB2, and SB3.
When upgrading to a Model 830 or 840 from a Model 640, S30, or 730, the #5077 is a
manufactured unit and is shipped without a base CD-ROM and without a base optical link
card (CCIN 2696).
If upgrading to a Model 830 or 840 from a Model 640, S30, or 730 without a #5055 8 Disk Unit
Storage Expansion Unit installed, by default, the #5077 is shipped with a #5057 16 Disk Unit
Storage Expansion Unit. The #5057 may be removed from the order. If upgrading from a
Model 640, S30, or 730 with the #5055 installed, a #5055 to #5057 conversion is performed.