Also this one – with the Extended Counters in – will float some boats: https://www.ibm.com/docs/en/module_1678991624569/pdf/SA23-2261-09.pdf
I’ll try to get it added to the page. (I don’t think it’s terribly different from the z16 one. I happen to know the owner – in case of the need for dialog(ue) with them. Cheers, Martin From: IBM Mainframe Assembler List <[email protected]> on behalf of Dan Greiner <[email protected]> Date: Thursday, 19 June 2025 at 04:21 To: [email protected] <[email protected]> Subject: [EXTERNAL] z17 PoO The z17 version of the IBM z/Architecture Principles of Operation (SA22-7832-14), the IBM z/Architecture Reference Summary (SA22-7871-12), and other z17-related architecture documentation can be found at the following (thanks for the link Bruce): https://www.ibm.com/docs/en/systems-hardware/zsystems/9175-ME1?topic=library-2 I've successfully downloaded both without any sort of logon or IBM ID required. Unless otherwise stated above: IBM United Kingdom Limited Registered in England and Wales with number 741598 Registered office: Building C, IBM Hursley Office, Hursley Park Road, Winchester, Hampshire SO21 2JN
