iSeries Model 820
160 iSeries Handbook
Internal Disk Units and Read Cache
• #4317 8.58 GB 10k RPM Disk Unit
• #4318 17.54 GB 10k RPM Disk Unit
• #4319 35.16 GB 10k RPM Disk Unit
• #4331 1.6 GB Read Cache Device
Internal Tape and CD-ROM
• #4525 CD-ROM
• #4530 DVD-RAM
• #4582 4 GB ¼-inch Cartridge Tape
• #4583 16 GB ¼-inch Cartridge Tape
• #4586 25 GB ¼-inch Cartridge Tape
• #4587 50 GB ¼-inch Cartridge Tape
External Towers
These towers attach to the Model 820 using HSL (High Speed Link). See “Expansion Towers”
on page 243 for full descriptions.
• #5033 Migration Tower I
• #5034 Migration Tower I
• #5035 Migration Tower I
• #5075 PCI Expansion Tower (small)
• #5074 PCI Expansion Tower (large)
• #0578 PCI Expansion Unit in Rack
• #5078 PCI Expansion Unit
• #5079 1.8m PCI I/O Expansion Tower
The Expansion Towers and Units in this table can attach to the Model 820 with the #5034 and
#5035 Migration Towers.
Feature Description Prerequisites
#5043
Primary rack converted to secondary rack
(migrated)
--
#5044 System Unit Expansion Rack (migrated) Optical Link Processor (OLP) Card #2686
#5052 Storage Expansion Unit
#5143 and #5072 or #5082 and one of
#6502, #6512, #6530, #6532, #6533
#5058 Storage Expansion Unit
#5073 or #5083 and one of #6502, #6512,
#6530, #6532, #6533