Describe the features and characteristics of the P/390 and R/390 with OS/390 products
The document provides an overview of the IBM PC Server System/390 (P/390) and the IBM RISC/6000 S/390 (R/390), focusing on their operation with OS/390. It describes the hardware concepts, supported adapters, and the positioning of each system for development and production environments.
It also details configuration options, the P/390 configurator utility, installation steps, device manager commands, and a set of frequently asked questions that address common operational concerns such as IPL timing and VTAM configuration.
| RISC/6000 S/390 Model | 7012-390 |
|---|---|
| RISC/6000 S/390 Model | 7013-591 |
Yes, but keeping many unused VTAM definitions can slow VTAM startup.