As400
Installing OS/400 V5R2 on a AS/400 model 720
This is the quick and dirty version. Please refer to https://www.ibm.com/docs/en/ssw_ibm_i_71/rzahc/sc415120.pdf or https://jack23247.github.io/blog/sysadm/installing-os400-v4r4/ for a more in depth guide.
IPL using 02 D M with the I_BASE_01
CD inserted in the CDROM drive.

For English language use 2924. For more languages check out IBM's webpage here: https://www.ibm.com/docs/en/i/7.1?topic=information-national-language-version-feature-codes

Press Enter.


Select option 1 to install Licensed Internal Code. It will then ask you to choose the type of installation. Choose option 2. Install Licensed Internal Code and Initialize system. This will delete any information that is on the first hard-disk. So if you have data you want to preserve stop now.


It will then start copying the files from the CD to the hard disk. This can take up to about 30mins to complete.

Preform a IPL when prompted. You will then be prompted to logon as a user. Use: QSECOFR
with no password. It will then as you for date, time and setup values. Once the system IPL's shutdown with the command: PWRDWNSYS *IMMED RESTART(*NO)
To configure TCP/IP please see this page: As400 tcpip