- A mainframe has 1 to 16 CPU's (modern machines more)
- Memory ranges from 128 Mb over 8 Gigabyte on line RAM
- Its processing power ranges from 80 over 550 Mips
- It has often different cabinets for
- Storage
- I/O
- RAM
- Separate processes (program) for
- task management
- program management
- job management
- serialization
- catalogs
- inter address space
- communication
Latest Mainframe Stats :
| zSeries 990 Highlights |
| • Provides increased scalability - Almost three times the capacity of a z900 depending on the application • Breaks the barrier - Doubling the number of supported CHPIDs from 256 to 512 • Takes a giant step - Doubling the number of LPARs from 15 to 30 • Quadruples the number of HiperSockets™ - Internal LANs from 4 to 16 • Introduces OSA-Express enhancements • Increases channel maximums for ESCON®, FICON Express™, and OSA-Express • Announces enhancements to fiber optic cabling services from IBM Networking Services • Extends IBM's industry-leading SSL performance to greater than 11,000 SSL handshakes per second • Introduces the next step in Capacity on Demand with On/OFF Capacity on Demand • Delivers significant price performance improvements on IFL engines • Delivers double digit price performance improvements on hardware maintenance over the z900. • 16 GB to 256 GB processor memory |
provide more details on ISPF and CICS Web.
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