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## 7.3.5 Special purpose features 

The supported Special-purpose feature for z/OS, z/VM, and Linux on Z is listed in Table 7-12. 

<img src='content_image/1002685.jpg'>

## 7.4 Support by features and functions 

a. PTFs might be required for toleration support or use of z14 ZR1 features and function. 

b. zEnterprise Data Compression. 

c. For guest use. 

d. See the IBM support site for Linux on Z. 

This section addresses operating system support by function. Only the currently in-support releases are included. 

## 7.4.1 LPAR configuration and management 

Tables in this section use the following convention: 

GLYPH<SM590000> N/A: Not applicable 

GLYPH<SM590000> NA: Not available 

A single system image can control several processor units, such as CPs, zIIPs, or IFLs. 

## Maximum number of PUs per system image 

The maximum number of PUs that is supported by each operating system image and by special-purpose LPARs are listed in Table 7-13. 

Important:  For more information about z14 ZR1 processor characterization support, see 3.5, “Processor unit functions” on page 83. 

<img src='content_image/1002703.jpg'>

