Memory Concept Of The Cpu; Cpu Memory Areas - Siemens SIMATIC S7-1500 Operating Instructions Manual

3.4.2

Memory concept of the CPU

3.4.2.1

CPU memory areas

Introduction
This section describes the structure of the memory of the CPU.
Note
Name of the hard disk
In this manual the CFast card is the first hard disk and has the name "sda".
Memory areas
The CPU makes use of the mass storage of the PC on which it is installed.
The following figure shows the memory division on the PC:
Figure 3-3
Partition
sda1
sda2
sda3
sda4
sda5
CPU 1505SP (F) Ready4Linux Version 2.7
Operating Instructions, 05/2019, A5E46864285-AA
Memory division on the PC
Description
GRUB BIOS
EFI system partition
Program files of the CPU
CPU memory area
Reserved for the Linux operating system
Product overview
3.4 Functions
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