VIA Technologies EPIA-M840-12 Manuals

Manuals and User Guides for VIA Technologies EPIA-M840-12. We have 1 VIA Technologies EPIA-M840-12 manual available for free PDF download: User Manual

VIA Technologies EPIA-M840-12 User Manual

VIA Technologies EPIA-M840-12 User Manual (84 pages)

Mini-ITX Embedded Board

Brand: VIA Technologies | Category: Motherboard | Size: 5 MB

Table of Contents

Regulatory Compliance
2
Safety Precautions
3
Table of Contents
5
1 Overview

10
- Key Components
  11
  - VIA Nano™ Nanobga2 CPU
    11
  - VIA VX800 System Processor
    11
- Layout (Top View)
  12
- Layout (I/O Panel)
  14
- Specifications
  15
2 Hardware Installation

17
- External I/O
  18
  - PS/2 Ports
    18
  - VGA Port
    18
  - COM Ports
    18
  - Gigabit LAN Ports
    18
  - USB Ports
    18
  - Audio Ports
    18
- Onboard Connectors
  19
  - LVDS Panel Connectors
    19
  - Inverter Connectors
    21
  - SATA Connectors
    22
  - SATA Power Connectors
    23
  - IDE Connector
    24
  - Compact Flash Slot
    25
  - Pcie Slot
    26
  - USB Pin Header
    26
  - RS232 COM Pin Headers
    27
  - Digital I/O Pin Headers
    28
  - LPT Pin Header
    29
  - LPC Pin Header
    30
  - FIR Pin Header
    31
  - Smbus Pin Header
    31
  - MFX Pin Header
    32
  - SPI Pin Header
    32
  - SPDIF Connector
    33
  - PS/2 Keyboard and Mouse Pin Header
    33
  - Front Audio Pin Header
    34
  - Front Panel Pin Header
    34
  - Memory Module Slots
    35
  - CPU Fan and System Fan Connectors
    37
  - Thermal Sensor Pin Header
    37
  - ATX Power Connector
    38
  - DC-In Power Connector
    39
  - CMOS Battery
    39
- Onboard Jumpers
  40
  - LVDS Jumper Settings
    40
  - LVDS2 Jumper Settings
    40
  - SATA DOM Power Select
    41
  - CF Power Select
    41
  - IDE DOM Power Select
    42
  - COM Power Select
    42
  - Clear CMOS Jumper
    43
  - AT/ATX Mode Jumper
    44
3 BIOS Setup

45
- Entering the BIOS Setup Menu
  46
- Control Keys
  46
- Getting Help
  47
- Main Menu
  48
  - Standard CMOS Features
    48
  - Advanced BIOS Features
    48
  - Advanced Chipset Features
    48
  - Integrated Peripherals
    48
  - Power Management Setup
    48
  - Pnp/Pci Configurations
    48
  - PC Health Status
    49
  - Frequency/Voltage Control
    49
  - Load Optimized Defaults
    49
  - Set Supervisor Password
    49
  - Set User Password
    49
  - Save & Exit Setup
    49
  - Exit Without Saving
    49
- Standard CMOS Features
  50
  - Date
    50
  - Time
    50
  - Video
    50
  - Halt on
    50
- HDD Channels
  51
- Advanced BIOS Features
  52
  - Virus Warning
    52
  - CPU L1 & L2 Cache
    52
  - CPU L2 Cache ECC Checking
    52
  - Quick Power on Self-Test
    53
  - First/Second/Third Boot Device
    53
  - Boot Other Device
    53
  - Boot up Numlock Status
    53
  - Typematic Rate Setting
    53
  - Typematic Rate (Chars/Sec)
    54
  - Typematic Delay (Msec)
    54
  - Security Option
    54
  - Mps Version Control for os
    54
  - Os Select for Dram > 64Mb
    54
  - Hdd S.M.a.r.t Capability
    54
  - Video Bios Shadow
    54
  - Full Screen Logo Show
    55
  - Summary Screen Show
    55
- CPU Features
  56
  - Thermal Management
    56
  - Advanced Chipset Features
    58
  - Memory Hole
    58
  - System Bios Cacheable
    58
  - Video Ram Cacheable
    58
  - VGA Share Memory Size
    59
  - Direct Frame Buffer
    59
  - Select Display Device
    59
  - Panel Type
    60
  - PCI Master 0 WS Write
    61
  - Pci Delay Transaction
    61
  - Onboard LAN Boot ROM
    62
  - CF Card UDMA66
    63
  - Sata Controller
    63
  - Ide Dma Transfer Access
    63
  - Onchip Ide Channel
    63
  - Ide Prefetch Mode
    63
  - Secondary Master Pio
    63
  - Secondary Slave Pio
    63
  - Secondary Master Udma
    63
  - Secondary Slave UDMA
    64
  - Ide Hdd Block Mode
    64
  - Azalia HDA Controller
    65
- Superio Device
  66
- Serial Ports
  66
- Onboard Parallel Port
  66
- Parallel Port Mode
  67
- Ecp Mode Use Dma
  67
- Internal Irda Controller
  67
- Ir Irq
  67
- Ir Dma
  67
- USB 1.0 Controller
  68
- Usb 2.0 Controller
  68
- Usb Operation Mode
  68
- Usb Keyboard Function
  68
- Usb Mouse Function
  68
- USB Storage Function
  69
- ACPI Suspend Type
  70
- Power Management Option
  70
- HDD Power down
  71
- Suspend Mode
  71
- Video off Option
  71
- Video off Method
  71
- Modem Use Irq
  71
- Soft-Off by Pwrbtn
  71
- Run VGABIOS if S3 Resume
  72
- Ac Loss Auto Restart
  72
- Watchdog Run/Stop
  72
- Watchdog Count Value
  72
- PS2KB Wakeup Select
  73
- Ps2Kb Wakeup Key Select
  73
- Ps2Ms Wakeup Key Select
  73
- Ps2 Keyboard Power on
  73
- Ps2 Mouse Power on
  73
- RTC Alarm Resume
  74
- Date (of Month)
  74
- Resume Time (Hh : MM : Ss)
  74
- Init Display First
  75
- Pnp os Installed
  75
- Reset Configuration Data
  75
- Resources Controlled by
  76
- Pci/Vga Palette Snoop
  76
- Assign Irq for Vga
  76
- Assign Irq for Usb
  76
  - IRQ Resources
    77
    
    PC Health Status
    78
    
    Ddr Burst Length
    79
    
    Ddr Cas Latency Control
    79
    
    DRAM Frequency
    79
    
    Spread Spectrum
    80
    
    Load Optimized Defaults
    81

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