RS/6000 and System/390
Server-on-Board


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| Highlights                                                                 |
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System/390® microprocessor
Provides the capability to run OS/390(TM), MVS/ESA(TM), VM/ESA® and VSE/ESA(TM) operating system environments.

AIX in RS/6000(TM) environment
The new server features the leading edge AIX® 4.1.4 Operating system, capable of running a large number of commercially available UNIX(TM) applications.

Combined strengths
Provides an integrated client/server application development environment (AIX and S/390® development and system management tools), Entry S/390 offering replaces older System/370(TM) systems and provides a cost-competitive server platform for Network Computing.

MVS/ESA 5.2.2 or OS/390 provides X/Open XPG4 base certification.

Hybrid capabilities unmatched by any IBM competitor.

Isolated environment for testing
YEAR 2000(TM) applications without impacting production systems.

Complete Solution
Economic integration of S/390 mainframe and RISC technologies enables you to place S/390 processing power wherever you need it at a low cost.

Integrated client/server application development environment
The IBM RS/6000 with S/390 server is a low-cost, single environment used to develop UNIX client/server applications for both the RS/6000 and S/390 environments.

It enables existing UNIX applications to integrate with existing S/390 applications and data in the same server environment with minimal effort to take advantage of the security, reliability and scalability that S/390 provides.

The IBM RS/6000 with S/390 server provides highly scalable, enterprise-wide solutions by porting current UNIX applications to S/390 with minimal investment. OS/390 provides XPG4 base branding, which allows easy porting of UNIX applications to S/390, and VM/ESA provides support for selected POSIX(TM) standards.

The IBM RS/6000 with S/390 server can also be used as a workbench to test applications for susceptibility to year 2000 problems. Even though the millennium is still a few years away, the year 2000 is starting to show up in application data fields now. This unique server solution provides an excellent standalone environment to inspect application code or test the application itself if the source code is unavailable. Application data can be modified and the system clock can be changed as often as necessary without fear of impact to production environments.

Take advantage of the RS/6000 environment
On the RISC platform, AIX applications provide channel and I/O emulation, operator controls, tools for managing devices and diagnostics. In addition, Telnet server for 3270 sessions support and X-Windows based manual operations are provided. This enables developers to create new open applications for AIX and S/390 using familiar tools.

Take advantage of the S/390 environment
This offering runs within an IBM RS/6000® server that manages the I/O and user workstations. The heart of this system is a S/390 microprocessor that can execute the S/390 instruction set and run OS/390,

MVS/ESA, VM/ESA and VSE/ESA applications. The S/390 microprocessor includes 32MB of memory expandable to 128MB.

Migration path for current S/370 users
For organizations that depend on proven S/370(TM) applications to drive their business, the RS/6000 with S/390 server offers a cost-effective way to make the transition to next-generation S/390 computing.

With the powerful S/390 microprocessor, you can run your key S/370 and S/390 applications. With OS/390 and MVS/ESA operating systems, you can even develop and run your UNIX and S/390 applications.

For a replacement of S/370s, this system can provide:

A low-cost, higher-function alternative to S/370 mainframes
The ability to run S/370 and S/390 applications
The combination of a S/390 and a RISC environment in a single system
A way to build on existing skills, minimizing retraining
Low environmental cost, such as power, footprint and cooling

For network computing
IBM is fully committed to help our customers leverage their investments in S/390 while allowing full participation in the network computing environment.

For S/390 customers who need to re-engineer their business, IBM RS/6000 with S/390 server provides an ideal platform to distribute S/390 applications across the enterprise, enabling users with consistent business applications and data. It can provide S/390 remote, unattended operations that translate into greater system availability, lower communication costs, greater configuration flexibility and simpler operation.

For the open/distributed LAN environment, IBM RS/6000 with S/390 server can function as a client to a host server or as a server for the clients in the LAN. For example, it can be a printer server, a file server, or an Internet server with its inherent networking structure (native TCP/IP). The hybrid capabilities (S/390 and UNIX) are unmatched by any of IBM competitors.

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| IBM RS/6000 and System/390 Server-on-Board at a glance                    |
| :ethd.                                                                    |
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| System/390                     |                                          |
| Processor                      | IBM S/390 microprocessor complex         |
|                                | CMOS Technology                          |
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| Memory                         | 32MB ECC (std.) expandable to            |
|                                | 128MB ECC (max. with 96MB option)        |
|                                | The 96MB option requires an additional   |
|                                | slot for power. This memory option is    |
|                                | necessary to support MVS/ESA or OS/390.  |
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| Software                       | MVS/ESA 5.2.2, OS/390, VM/ESA or VSE/ESA |
|                                | operating systems and application        |
|                                | software                                 |
|                                | support.                                 |
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| Optional Features              | Additional optional features (LAN        |
|                                | adapters, etc.)                          |
|                                | are available to support the S/390       |
|                                | I/O environment                          |
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| Basic RS/6000                  |                                          |
| configuration requirements for | AIX 4.1.4 or higher required             |
| S/390 support:                 | 4MM DAT                                  |
|                                | CDROM support                            |
| Note: IBM provides support for | Minimum DASD for S/390 Environment       |
| desktop and deskside RS/6000   | VSE/ESA - 4 GB                           |
|                                | VM/ESA - 3 GB                            |
| in RAID and non-RAID           | MVS/ESA 5.2.2 or OS/390 - 10 GB          |
| configurations.                | AIX 4.1.4 - 1 GB                         |
|                                |                                          |
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