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IBM eServer zSeries 990

The platform for enterprise on demand business

  
About the z990 At a glance Features Reliable More


IBM eServer zSeries 990 enterprise server at a glance
Hardware Models
General purpose/
Coupling Facility/
Linux

A08, B16, C24, D32      
Coupling Links ISC-3
48
IC
32
ICB-2
8
ICB-3
16
ICB-4
16
Max # Links
64¹

Channels

Minimum

0/0/0/0 (ESCON/FICON Express™/OSA-Express/HiperSockets)

Minimum

0/0/0 (FICON Express2/OSA-Express2 - GbE/OSA-Express2 - 10 GbE)

Maximum

1024/120/48/16 (ESCON/FICON Express/OSA-Express/HiperSockets)

Maximum

240/48/24 (FICON Express2/OSA-Express2 - GbE/OSA-Express2 - 10 GbE)

Increments

4/2/2/1 (ESCON/FICON Express/OSA-Express/HiperSockets)

Increments

4/2/1 (FICON Express2/OSA-Express2 - GbE/OSA-Express2 - 10 GbE)

Cryptographic 4 PCIX Crypto Coprocessor — optonal up to 4 features (4 coprocessor)
PCI Crypto Accelerator — optional up to 6 features (12 accelerators)
Crypto Express2 - optional up to 8 features (16 coprocessors)
Processor Memory Model A08 B16 C24 D32
Minimum 16GB 16GB 16GB 16GB
Maximum 64GB 128GB 192GB 256GB
Upgradeability Upgradeable within zSeries 990
Upgrade from zSeries 900      
Physical Configuration Models A08, 2 frame, minimum² Models D32, 2 frame, maximum³
Weight (unpacked) 1174 kg (2588 lbs) 2007 kg (4425 lbs)
Footprint 2.49 Sq meters (26.78 Sq. ft) 2.49 Sq. meters (26.78 Sq. ft)
Service Clearance 5.45 Sq meters (58.69 Sq. ft) 5.45 Sq. meters (58.69 Sq. ft)
Input Power 5.3 kW 15.8 kW
Heat Output 18.02 KWTU/hr 53.73 KBTU/hr
Air Flow CFM 500, m³/m CFM 1450, m³/m
Height 194.1 cm (76.4 inches) 194.1 cm (76.4 inches)
General Conforms to EIA guidelines for frames      
Software z/OS™ LPAR mode: z/OS 1.2 5 and subsequent releases
  z/VM™ LPAR mode: z/VM 3.1, z/VM 4.3 and subsequent releases, z/VM 5.1
  Linux on zSeries LPAR mode: Red Hat, SUSE LINUX, Turbolinux, Linux as z/VM guest
  OS/390® LPAR mode: OS/390 2.10 5
  VSE LPAR mode: VSE/ESA™ 2.5 5 2.6 and subsequent releases
  TPF LPAR mode: TPF 4.1 (ESA mode only)
  Linux on S/390® LPAR mode: Red Hat, SUSE, Turbolinux
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1 64 External and 32 Internal with a combined max. of 64
2 Model A08 with one I/O Cage and no IBF
3 Model D32 with three I/O Cages and IBF
4 Combined max. of 8 features
5 Software release is EOS







 
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Resources
What they're saying about the z990  


Product information
z990 Reference Guide (769 KB)  
z990 product details (79 KB)  
z990 FAQ(174 KB)  
IBM Journal of R&D: IBM eServer z990  
Large Systems Performance Reference  



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