slide disco rigido
TRANSCRIPT
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HD
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Evolução dos HD’s
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• 1956 • 5 MB em 50 discos• 24 polegadas (60 cm) de diâmetro.• US$ 10.000 • 600 milisegundos
305 RAMAC DISK SYSTEM
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1301 DISK STORAGE UNIT• 1961• 28 MB• US$ 115 mil• Primeiro a reduzir o atrito e o tempo de
acesso aos dados• 180 milisegundos
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1311 STORAGE DRIVE
• 1962 • 2,6 MB • 4,5 kg
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3340 DIRECT ACCESS STORAGE FACILITY
• Gravações leves e discos lubrificados• Compartilhamento a vácuo. • Capacidade de 30 MB.
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3380 DIRECT ACCESS STORAGE DEVICE
• 1980 • 2,52 GB • 3 MB por segundo.
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ST-506
• 1980 • 5MB• Conectado a uma placa controladora
instalada no PC
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TANBA
• 2,5’’ • 63 MB• Foi um marco no caminho para as
maquinas modernas.
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BARRACUDA SERIAL ATA V
• 2003• Serial ATA (SATA) • 120 GB.
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RAPTOR
• 2003 • Servidores corporativos• 10 mil rotações por minuto
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• 2 CM• Menor HD do mundo• 4GB
MK2001MTN
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• 1976• 2006 / 32GB
SSD (solid-state drive) ou unidade de estado sólido
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Partes do HD
• PLACA LÓGICA:
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• Pratos e Eixo
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Cabeça e Braço
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Atuador
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IDE
SATAVS
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1986 1999 2003 20090
1
2
3
4
5
6
7
VelocidadePreçoCapacidade de Ar-mazenamento
R$
/ RPM
/ G
B
Gráfico Demonstrativo da Evolução dos HD’s
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IDE
• Baixa taxa de transferência
• Muita interferência
• 133 MB/s e alto nível de ruído
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SATA
• Alta taxa de transferência
• Praticamente imune a ruídos
• 300 MB/s
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Compatibilidade
Adaptadores:
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Inovações
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Muito Obrigado!!!