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System Unit of a Computer System

System Unit of a Computer System. 主機板 ( Motherboard). AT motherboard. INTERFACE SLOT. BIOS. CPU. KEYBOARD. CPU. CACHE. RAM. POWER. ATX motherboard. Important specification. Hard disk. Power connector. PCI slot. BIOS. AGP slot. Main Memory. IDE slot. I/O port. Floppy Drive.

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System Unit of a Computer System

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  1. System Unit of a Computer System 主機板 (Motherboard)

  2. AT motherboard INTERFACE SLOT BIOS CPU KEYBOARD CPU CACHE RAM POWER

  3. ATX motherboard

  4. Important specification Hard disk Power connector PCI slot BIOS AGP slot Main Memory IDEslot I/O port Floppy Drive Battery PS/2 slot USB port Chipset

  5. PCI

  6. AGP

  7. Bus Type Bus Width Bus Speed MB/sec ISA 16 bits 8 MHz 16 MBps EISA 32 bits 8 MHz 32 MBps VL-bus 32 bits 25 MHz 100 MBps VL-bus 32 bits 33 MHz 132 MBps PCI 32 bits 33 MHz 132 MBps PCI 64 bits 33 MHz 264 MBps PCI 64 bits 66 MHz 512 MBps PCI 64 bits 133 MHz 1 GBps Buses in a computer

  8. Pin Description Pin Description 1 Reset 23 -IOW 2 Ground 24 Ground 3 Data Bit 7 25 -IOR 4 Data Bit 8 26 Ground 5 Data Bit 6 27 I/O Channel Ready 6 Data Bit 9 28 SPSYNC: Cable Select 7 Data Bit 5 29 -DACK 3 8 Data Bit 10 30 Ground 9 Data Bit 4 31 RQ 14 10 Data Bit 11 32 -IOCS 16 11 Data Bit 3 33 Address Bit 1 12 Data Bit 12 34 -PDIAG 13 Data Bit 2 35 Address Bit 0 14 Data Bit 13 36 Address Bit 2 15 Data Bit 1 37 -CS1FX 16 Data Bit 14 38 -CS3FX 17 Data Bit 0 39 -DA/SP 18 Data Bit 15 40 Ground 19 Ground 41 +5 Volts (Logic) (Optional) 20 Cable Key (pin missing) 42 +5 Volts (Motor) (Optional) 21 DRQ 3 43 Ground (Optional) 22 Ground 44 -Type (Optional) IDEslot

  9. IDEsignal cable

  10. SCSI

  11. External SCSI SCSI 68PIN SCSI 50PIN

  12. COM port

  13. LPT port

  14. USB port power A signal earth B

  15. i845GV

  16. i845GE

  17. i845PE

  18. AMD-751™ System Controller AMD-756™ Peripheral Bus Controller 200 MHz AMD-K7 Host Channel UDMA/66 AGP 2x 4 port OHCI USB ACPI 1.0 compliant PC100 SDRAM (up to 768 MB) APM 1.2 compliant PCI 2.2 compliant PCI-ISA bridge ECC support Plug & Play support Support for 6 PCI masters IOAPIC support 492 pin PBGA Advanced Power Management Keyboard/Mouse controller Y2K compliant RTC Host SMBus 272 pin PBGA AMD750

  19. AMD760

  20. AMD 760MP • Dual point-to-point, high-speed 266MHz 1 AMD Athlon system bus (supporting up to two processors) • PC21002 DDR (Double Data Rate) memory subsystem (supporting up to 4 GB of memory space) • AGP-4X Graphics Interface (supports 1X and 2X modes) • PCI 2.2 Compliant 33 MHz - 32/64-bit PCI Bus Interface • Two-channel EIDE Interface supporting ATA 33/66/100 modes • LPC bus • Flash memory/GPIO Interface • USB OHCI host controller supporting four ports • SM-Bus • IOAPIC support • Serial IRQ support • Power management support

  21. AMD760MPX • Dual high-speed 266 MHz1 AMD Athlon system buses, supporting up to two processors • PC21002 DDR memory subsystem supporting up to 4 GB of memory • AGP-4X Graphics Interface (supports 1X and 2X modes • Primary PCI 2.2 compliant 66-MHz/64-bit/32-bit PCI Bus • Secondary PCI 2.2 compliant 33-MHz/32-bit PCI Bus • Two-channel ATA 33/66/100 support • LPC bus • Thirty-two general-purpose IO (GPIO) pins • USB OHCI host controller supporting four ports • SM-Bus • IOAPIC support • Serial IRQ support • Power Management support • AC ‘97 Audio support

  22. Socket 370主機板 • Intel 82815EP (B-stepping) / 82801BA 晶片組 • 支援 Intel Celeron FC-PGA with 66/100 Mhz FSB • 支援 Intel Pentium III FC-PGA with 100/133 Mhz FSB • 支援 Intel Pentium III FC-PGA 2 with 133Mhz FSB (Tualatin Ready) • 支援 VIA Cyrix III with 100/133 Mhz FSB • 支援三支 SDRAM , 最高可達 512MB, PC100/PC133 SDR DIMM • 支援 6 PCI, 1 AGP 4X • 內建 C-Media 8738/PCI-6ch 晶片, 支援 2/4/6 聲道喇叭輸出 • 內建 Promise 265R, 支援ATA 100 IDE RAID ( AE25R Only )

  23. Socket 423主機板 • Intel 850/82801BA 晶片組 • Socket423 規格, 支援Intel Pentium 4 CPU • 支援四支 RIMMs 2GB, 最高可達 PC800 RDRAM • 支援 AGP 4X, CNR, USB ports • 支援 UDMA ATA 100/66/33 IDE 介面 • 內建 AC'97 音效輸出 • 內建硬體溫度/電壓監控功能

  24. Socket 478主機板 (Intel) • Intel 845MCH / 82810 ICH2 晶片組 • Socket478 規格, 支援 Intel Pentium 4 CPU • 184根針腳的 DDR X 2, 最高可達 2GB DDR PC1600/PC2100 DIMM • 支援 AGP 4x Slot / 4 USB1.1 Ports • 支援 5 PCI 2.1/2.2 Slot • 支援 UDMA ATA 100/66/33 IDE 介面 • 內建 C-Media 8738/PCI-6ch 晶片, 支援 2/4/6 聲道喇叭輸出 • 內建 Promise 265R, 支援 ATA 100 IDE RAID (AB40R Only) • 內建 USB2.0 介面 (選購品)

  25. Socket 478主機板 (VIA) • VIA P4X266A/VT8233A 晶片組 • Socket 478 規格, 支援 Intel Pentium 4 CPU • 184 根針腳的 DDR X 3 最高可達 3GB DDR PC1600/PC2100 DIMM • 支援 AGP 4X, and 4 USB ports (1.1) • 支援 UDMA ATA 133/100/66 IDE 介面 • 內建 High Point 372 支援 ATA-133 IDE RAID (AV45GT2R only) • 內建 C-Media 8738/PCI-6ch 晶片,支援 2/4/6 聲道喇叭輸出 • 內建 VT6202 USB 2.0 介面 (選購品)

  26. Socket 478主機板 (SIS) • SIS 650/SIS 961 晶片組 • 支援 Socket 478 Intel Processors • 支援2隻DDR DIMM 最高可達2GB PC1600/PC2100 DDR DIMM • 支援 AGP 4X, and 6 USB (1.1)插槽 • 內建 Realtek 8100 10/100 網路晶片 • 支援 UDMA ATA 100/66/33 IDE 介面 • 內建 AC'97 音效輸出

  27. Socket A 主機板 • VIA VT8366A/VT8233 晶片組 • AMD K7 規格, 支援 Athlon/Duron FSB 200/266 Processors • 184 根針腳的 DDR X 4 最高可達 4GB DDR PC1600/PC2100 DIMM • 支援 AGP 4X, 6 USB ports (1.1) • 支援 UDMA ATA 100/66/33 IDE 介面 • 內建 High Point 372, 支援 ATA-133 IDE RAID (AK35GTR only) • 內建 C-Media 8738/PCI-6ch 晶片, 支援 2/4/6 聲道喇叭輸出 • 內建硬體溫度/電壓監控功能

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