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IBM uses a single-level store virtual memory architecture in the AS/400 platform. For 64-bit PowerPC processors, the virtual address resides in the rightmost 64 bits of a pointer while it was 48 bits in the S/38 and CISC AS/400. The 64-bit address space references main memory and disk as a single address set which is the single-level store concept.
The hardware isolation provided by the TIMI allowed IBM to replace the AS/400's 48-bit IMPI architecture with the 64-bit RS64 architecture in 1995. Applications compiled on systems using the IMPI instruction set could run on top of the newer RS64 systems without any code changes, recompilation or emulation, while also allowing those ...
IBM AS/400 to IBM eServer iSeries, i for Integrated IBM Netfinity to IBM eServer xSeries , x for eXtended architecture (with respect to "commodity" Intel -based servers) IBM System/390 was replaced by the 64-bit IBM eServer zSeries , z for Zero downtime.
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
Unlike the servers from IBM's competitors, the POWER6 has hardware support for IEEE 754 decimal arithmetic and includes the first decimal floating-point unit integrated in silicon. More than 50 new floating point instructions handle the decimal math and conversions between binary and decimal . [ 10 ]
The POWER4 is a microprocessor developed by International Business Machines (IBM) that implemented the 64-bit PowerPC and PowerPC AS instruction set architectures.Released in 2001, the POWER4 succeeded the POWER3 and RS64 microprocessors, enabling RS/6000 and eServer iSeries models of AS/400 computer servers to run on the same processor, as a step toward converging the two lines.
Multi Platform - applications created on one operating system can be converted to other platforms easily. (Support for: Windows (32 and 64 Bit), SCO Openserver Unix/Unixware, Linux (32 and 64 Bit), Sun, HP-UX, IBM AIX, IBM eServer iSeries Linux and FreeBSD (64 Bit)) 26 Available Automatic Indexes with 10 Demand Index options
An IBM System Z10 mainframe computer on which z/OS can run. z/OS is a 64-bit operating system for IBM z/Architecture mainframes, introduced by IBM in October 2000. [2] It derives from and is the successor to OS/390, which in turn was preceded by a string of MVS versions.
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