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z900 µarch
General Info
Arch Type	CPU
Designer	IBM
Manufacturer	IBM
Introduction	October 3, 2000
Phase-out	June 30, 2006
Process	0.180 µm
Core Configs	12, 20
Pipeline
Type	Scalar, Pipelined
OoOE	No
Speculative	Yes
Reg Renaming	No
Stages	7
Instructions
ISA	z/Architecture
Cache
L1I Cache	256 KiB/core
L1D Cache	256 KiB/core
L2 Cache	8-16 MiB/cluster

z900 was a z/Architecture-based microarchitecture designed by IBM and introduced in 2000 for their z900 processors and 2064-series mainframes.

Process Technology

The z900 microprocessors were manufactured on IBM's 0.180 µm process bulk technology with copper interconnections.

Architecture

Key changes from ESA/390 G6

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Overview

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Die

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