6947ch06.fm

 

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

 

 

 

 

 

 

 

Software Requirements

z/OS

z/OS

z/OS

z/OS

z/OS

OS/390

 

V1.6 a

V1.5

V1.4

V1.3

V1.2

V2.10

Functions

 

 

Exploit

 

 

 

 

 

 

 

 

 

 

HiperSockets

X

X

X

X

X

 

 

 

 

 

 

 

 

Broadcast for IPv4 packets

X

X

 

 

 

 

 

 

 

 

 

 

 

16-port ESCON feature

X

X

X

X

X

X

 

 

 

 

 

 

 

FICON Express (type FCV)

X

X

X

X

X

X

 

 

 

 

 

 

 

FICON Express (type FC)

X

X

X

X

X

X

 

 

 

 

 

 

 

Cascaded FICON Directors (CHPID types FC, and FCP)

X

X

X

X

 

X

including CTC

 

 

 

 

 

 

 

 

 

 

 

 

 

OSA-Express GbE (CHPID type OSD)d

X

X

X

X

X

X

OSA-Express 1000BASE-T Ethernet

X

X

X

X

X

X

 

 

 

 

 

 

 

OSA-Express Integrated Console Controller (OSA-ICC)

X

X

X

X

 

 

 

 

 

 

 

 

 

OSA-Express Token Ring

X

X

X

X

X

X

 

 

 

 

 

 

 

Checksum offload for IPv4 packetse

X

X

 

 

 

 

z/OS Full VLAN (IEEE 802.1q) support

X

X

 

 

 

 

 

 

 

 

 

 

 

Intrusion Detection Services (CHPID type OSD)

X

X

 

 

 

 

 

 

 

 

 

 

 

OSA/SF Java GUI

X

X

X

X

X

X

 

 

 

 

 

 

 

OSA-Express Direct SNMP subagent supportf

X

X

X

 

 

 

a. z/OS 1.6 planned to be available September 2004. b. With HCD PTFs.

c. z/OS V1.6 plus IBM SDK for z/OS, Java 2 Technology Edition, V1.4. d. CHPID type OSE (non-QDIO) supports TCP/IP and SNA.

e. For OSA-E GbE and 1000BASE-T EN with CHPID type OSD.

f. z/OS V1.5 for ‘Traps and Set’, and z/OS V1.6 for ‘Direct SNMP for LCS’ support all other SNMP subagent support z/OS V1.4 and later.

6.7.2Summary of z/VM, z/VSE, VSE/ESA, TPF, and Linux Software Requirements

Table 6-3 Minimum z/VM, z/VSE, VSE/ESA, TPF and Linux on zSeries Requirements

Software Requirements

z/VM

z/VM

z/VM

VSE/

VSE/

TPF

Linuxon

 

V5.1

V4.4

V3.1

ESA

ESA

V4.1

zSeries a

 

 

 

and

V2.7

V2.6

 

 

 

 

 

V4.3

and

 

 

 

 

 

 

 

z/VSE

 

 

 

Functions

 

 

 

V3.1

 

 

 

 

 

 

 

 

 

 

 

16 to 30 logical partitions

X

X

 

X

X

X

X

 

 

 

 

 

 

 

 

Two Logical Channel Subsystems (LCSSs)

X

X

Xb

X

X

 

X

Four Logical Channel Subsystems (LCSSs)

X

X

Xb

X

X

 

X

Dynamic I/O support for multiple LCSSs

X

X

Xb

 

 

 

X

Dynamic Add/Delete Logical Partition Name

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

148IBM eServer zSeries 990 Technical Guide

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IBM 990 manual Software Requirements, Linuxon, V5.1 V4.4 V3.1, V4.1, V2.7 V2.6 V4.3 VSE Functions V3.1
Page 161 Page 163

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.
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