Things You Need To Know About IBM AS400

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Are you a new AS400 developer or an expert programmer looking to expand your knowledge about IBM AS400? AS400 is considered as dead as per various tech experts, but still, it’s one of the most robust and reliable platforms available in the 21st century. The platform is already in use by many top organizations worldwide, and its modified versions have excellent OS and data handling capabilities. After reading this blog, you will know how and why AS400 is the best legacy and in-demand platforms, among others.

What Is IBM AS400 And Why Companies Need It?

International business machine (IBM) has released an easy to use computer server by the name of AS400 for small and medium businesses. This mid-range computer application delivered high performance and security of the highest level than other systems in the 1980s.

Brief History

The journey of IBM AS400 started in 1988, and before the launch of AS400, IBM has already rolled out System38 in 1979, along with a complete product line consist of -System3, System32, System34, and System36. Later, application server 400 (AS400) was developed and launched by IBM with the operating system 400, i.e., OS400. This operating system was so powerful and capable that it moved the programs written for System34 and System36 to AS400.
The first language supported by AS400 was RPG, and then various versions of RPG also endorsed the same. Now, it comes in multiple sets like RPG IV, OVM, and ILE.

AS400 Versions:

IBM continuously rolled out versions of AS400:

In the year 2000, AS400 was renamed as eServer iSeries

In the year 2006 it was again renamed to IBM System i

And, in the year 2008, all the products in system i and p were modified and launched as Power Systems.

Ten useful facts about History, performance, and architecture of IBM Power9

1- 1 or 2 sockets for 1 or 2 POWER9 Chips
2- The server runs 192 programs at the same time
3- Each CPU core runs eight programs at a time (SMT=8)
4- Lithography 14nm – that small!
5- 2 socket servers have 16, 20, or 24 CPU cores
6- Compared to POWER8 – 40% to 47% faster
7- POWER9 chip run at 3.9 to 4.0 GHz
8- Each POWER9 chip has 8 billion transistors
9- Each POWER9 Chip has 8, 10, or 12 CPU cores
10- S924 = 4U + S922 = 2U (slightly less cores)

Today AS400 might not be in the picture, but it has kept the foundation for today what we call IBM Power Systems.

IBM is today and will be there tomorrow too

Many IT experts feel that AS400 is outdated and dead. But this is not the complete truth, and after checking the characteristics and facts and importance of the system, you will get to know that the system cannot be ignored. Although its popularity has decreased in the modern era, it is still one of the most needed integral systems for large enterprises, manufacturing units, finance sectors, and retailers. The newcomers looking to pursue their career as IBMi AS400 developers should not be discouraged that the platform has no future because such claims are entirely baseless. This system has its roots in the past and continues growing strong. All the versions of IBMi hardware and software have been upgraded with all the latest features and technology. The IBMi cloud version is now capturing the market rapidly and giving tough competition to other market players.

I hope you have got a proper understanding of the platform. In case you have any queries about the IBMi, feel free to connect now!

Meghna Wani
At Integrative Systems, I’m responsible for devising digital marketing strategies for the profitable growth of the company. I also ensure campaign execution, monitoring the marketing channel budgets against projected plans, continuously optimizing the marketing channels, and striving to push them to an auto-pilot mode of lead inflow where minimum intervention is required.

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