Pcicc

Draft Document for Review April 7, 2004 6:15 pm

cluster 176–177

CPU Management 177 Single Storage Pool 55 weights 178

LPAR CPU Management 15 LPAR mode 47, 60

LPAR single storage pool 55 LSPR 223

LSPR workloads for z990 224

managed channels 180 master key entry 123 MBA 24, 31, 40, 77 MCM 35

MCM technology 5 Memory 6 Memory allocation 54 Memory Bus Adapter

see MBA 24 memory cards 27

Memory Coherent Controller 39 Memory upgrade 27

Message authentication code (MAC) 120 Message Time Ordering 157

MIF 111, 113

MIF ID 113

MIF Image id 111 MIF image ID 61 MIFID 61

mode conditioner patch (MCP) 99–100 Model downgrades 5

model number 4 Model upgrade paths 4 Model upgrades 187 modes of operation 56 Modular Refrigeration Unit 25 Motor Drive Assembly 26 Motor Scroll Assembly 26 MSU 65

MSU value 65

Multiple Image Facility 111

Multiple Logical Channel Subsystems 110

Multiple Logical Channel Subsystems (LCSSs) 110

N+1 power supply 25 nondisruptive 215 nondisruptive upgrades 209, 215

On/Off Capacity Upgrade on Demand (On/Off CoD) 16 On/Off CoD 187, 200

On/Off CoD Active CP 200

On/Off CoD Active ICF 201

On/Off CoD Active IFL 201 On/Off CoD Active zAAP 201 On/Off CoD Enablement feature 200

6947IX.fm

Optica Technologies 85 optional SAP 64 OSA-2 FDDI 12 OSA-2 FENET

Ethernet V2.0 specifications 101

IEEE 802.3 (ISO/IEC 8802.3) standard 101 maximum length 101

OSA-2 Token Ring 85

OSA-E 1000BASE-T 84

OSA-E Fast Ethernet 84 OSA-E GbE 84 OSA-E Token Ring 84 OSA-Express 11

OSA-Express 1000BASE-T Ethernet 100 OSA-Express ATM 12, 85 OSA-Express Fast Ethernet 101 OSA-Express GbE 99

OSA-Express GbE LX 99

OSA-Express GbE SX 99

OSA-Express Integrated Console Controller 11, 101 OSA-Express Token Ring 102

OSA-ICC 11, 101

Parallel channel			84
Parallel channels			12
Parallel Sysplex			13
Partition Number			111
PCHID	7, 59, 72, 79, 86, 113, 116
PCI Cryptographic Accelerator 38, 107, 122
PCI Cryptographic Accelerator feature 13
PCI Cryptographic Coprocessor				85
PCI X-Cryptographic Coprocessor 13
PCICA	13, 35, 85, 107, 122, 125–126, 209
PCICC	85
PCIX Cryptographic Coprocessor				38, 107, 122
PCIXCC	13, 61, 85, 107, 122, 209
PCIXCC feature			125
Performance		17
performance		181
Physical Channel ID 113
physical channel path identifiers				116
Plan-Ahead		189, 194

Plan-ahead Concurrent Conditioning for I/O 194 Planned upgrades 187

Power 25

Power and cooling requirement 230 PR/SM 4, 54, 57

Pricing MSUs 65
Processor unit (PU)	46, 51
processor weighting	177
PU 5, 24, 51, 54
PU characterization	60
PU chip 36
PU conversions 64
PU sparing 46
Public Key Algorithm	120

Index 265

990 specifications

The IBM 990 series, often referred to in the context of IBM's pioneering efforts in the realm of mainframe computing, represents a unique chapter in the history of information technology. Introduced in the late 1960s, the IBM 990 series was designed as a powerful tool for enterprise-level data processing and scientific calculations, showcasing the company's commitment to advancing computing capabilities.

One of the main features of the IBM 990 was its architecture, which was built to support a wide range of applications, from business processing to complex scientific computations. The system employed a 32-bit word length, which was advanced for its time, allowing for more flexible and efficient data handling. CPUs in the IBM 990 series supported multiple instructions per cycle, which contributed significantly to the overall efficiency and processing power of the machines.

The technology behind the IBM 990 was also notable for its use of solid-state technology. This provided a shift away from vacuum tube systems that were prevalent in earlier computing systems, enhancing the reliability and longevity of the hardware. The IBM 990 series utilized core memory, which was faster and more reliable than the magnetic drum memory systems that had been standard up to that point.

Another defining characteristic of the IBM 990 was its extensibility. Organizations could configure the machine to suit their specific needs by adding memory, storage, and peripheral devices as required. This modular approach facilitated the growth of systems alongside the technological and operational demands of the business environments they served.

In terms of software, the IBM 990 series was compatible with a variety of operating systems and programming environments, including FORTRAN and COBOL, enabling users to access a broader array of applications. This versatility was a significant advantage, making the IBM 990 an appealing choice for educational institutions, research facilities, and enterprises alike.

Moreover, the IBM 990 was engineered to support multiprocessing, which allowed multiple processes to run simultaneously, further increasing its effectiveness in tackling complex computing tasks.

In summary, the IBM 990 series represents a significant advancement in computing technology during the late 20th century. With a robust architecture, versatile configuration options, and a focus on solid-state technology, the IBM 990 facilitated substantial improvements in data processing capabilities, making it a cornerstone for many businesses and academic institutions of its time. Its impact can still be seen today in the continued evolution of mainframe computing.

IBM 990 manual Pcicc

Models: 990

6947IX.fm

990 specifications