Bios/Uefi Presentation done and ready
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3 changed files with 79 additions and 24 deletions
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.obsidian/workspace.json
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.obsidian/workspace.json
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# Bios/Uefi
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---
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## Gliederung
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-
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- Allgemein
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- Probleme BIOS
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- UEFI
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- Geschichte
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- Vorteile & Features
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---
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### Allgemein
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![[PC_systemLayers.jpg]]
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---
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### Allgemein
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- 2. Softwareebene
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- Hardwareinitialisierung
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- Funktionalitätscheck
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- Start des Bootloaders
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- CPU Microcode
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- API für Hardware
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---
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### BIOS
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![[BIOS.png]]
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---
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### BIOS
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- Basic Input Output System
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- MBR
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- 8 / 16 Bit
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- Assembly
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- Fragmentiert
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- Minimale API
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---
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### UEFI
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- 1990 Intel unzufrieden mit Bios
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- 1998 Intel Boot Initiative
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- 2004 Tiano
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- 2005 Spec an UEFI Forum übergeben
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---
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### UEFI
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![[UEFI-Beispiel.jpeg]]
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---
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### UEFI
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- Unified Extensible Firmware Interface
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- MBR & GPT
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- 32 / 64 Bit
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- C
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- CSM (Compatibility Support Module)
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- Stark erweitere API
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---
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# Fragen
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- Hardware Konfiguration
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- CPU Microcode Updates
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- Minimale API für Hardware-Zugriff
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## BIOS
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- BIOS / Basic Input/Output System
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- Nur MBR
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- Boot & Runtime Services
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- Boot services nur für Firmware und bevor OS (Beendet durch `ExitBootServices()`)
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- Backwards Compatibility via CSM (Compatibility Support Module)
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- Viele mittlerweile wichtige Features, z.B. Secure Boot
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- Viele mittlerweile wichtige Features, z.B. Secure Boot
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- Stark verbessertes UI
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