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Portwell PEB-2770VG2A User Manual

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PEB-2770/2780VG2A
Embedded System Board
User's Manual
Version 1.0d
Copyright © Portwell, Inc., 2010. All rights reserved.
All other brand names are registered trademarks of their respective owners.
PEB-2770/2780VG2A

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Summary of Contents for Portwell PEB-2770VG2A

  • Page 1 PEB-2770/2780VG2A Embedded System Board User's Manual Version 1.0d Copyright © Portwell, Inc., 2010. All rights reserved. All other brand names are registered trademarks of their respective owners. PEB-2770/2780VG2A...

  • Page 2: Table Of Contents

    Preface Table of Contents How to Use This Manual Chapter 1 System Overview.......................1-1 1.1 Introduction ....................... 1-1 1.2 Check List......................1-2 1.3 Product Specification..................1-2 1.4 System Configuration..................1-4 1.5 System Architecture..................1-8 Chapter 2 Hardware Configuration ...................2-1 2.1 Jumper Setting ....................2-1 2.2 Connector Allocation..................

  • Page 3: How To Use This Manual

    Portwell may make supplement or change in the products described in this document at any time. Updates to this manual, technical clarification, and answers to frequently asked questions will be shown on the following web site : http://www.portwell.com.tw/. PEB-2770/2780VG2A...

  • Page 4: Chapter 1 System Overview

    Chapter 1 System Overview Introduction Portwell Inc., a world-leading innovator in the Industrial PC (IPC) market and a member of the Intel® Embedded and Communications Alliance (Intel ECA), announced today the Portwell PEB-2770/2780VG2A utilizing the Intel® ECX form factor based on the Intel® Atom™ processor D510/N450 and the Intel® System...

  • Page 5: Check List

    System Overview Check List The PEB-2770/2780VG2A package should cover the following basic items One PEB-2770/2780VG2A 3.5’ Main Board One Thermal Kit One Serial ATA cable One SATA Power cable One Installation Resources CD-Title If any of these items is damaged or missing, please contact your vendor and keep all packing materials for future replacement and maintenance.
  • Page 6 System Overview Watchdog Timer - Support WDT function through software programming for enable/disable and interval setting - Generate system reset On-board VGA - Intel Atom D510/N450 Integrated DX9 Graphics device - Support Intel DVMT 4.0 On-board Ethernet LAN Two Gigabit Ethernet (10/100/ 1000 Mbits/sec) LAN ports High Driving GPIO Onboard programmable 8-bit Digital I/O interface Cooling Fans...

  • Page 7: System Configuration

    System Configuration System Configuration CPU Type Intel® Atom™ CPU D510 1.66GHz FSB:667MHz L2:1024K SBC BIOS Portwell, Inc. PEB-2770 BIOS Rev.: R1.00.E1 (05072010) Memory Transcend DDR2 667 1GB*1 (SEC K4T51083QE) VGA Card Onboard Intel® Graphics Media Accelerator 3150 (Luna Pier) VGA Driver Intel®...
  • Page 8 System Overview Mechanical Drawing [TOP side] PEB-2770/2780VG2A User’s Manual...
  • Page 9 System Overview [Bottom side] [Rear IO] PEB-2770/2780VG2A User’s Manual...
  • Page 10 System Overview [Bottom side with thermal kit] [Rear IO with thermal kit] PEB-2770/2780VG2A User’s Manual...

  • Page 11: System Architecture

    System Overview System Architecture All of details operating relations are shown in PEB-2770/2780VG2A series System Block Diagram. PEB-2770/2780VG2A System Block Diagram PEB-2770/2780VG2A User’s Manual...

  • Page 12: Chapter 2 Hardware Configuration

    Hardware Configuration Chapter 2 Hardware Configuration This chapter gives the definitions and shows the positions of jumpers, headers and connector. All of the configuration jumpers on PEB-2770/2780 are in the proper position. The default settings are indicated with a star sign (★). Jumper Setting In general, jumpers on the single board computer are used to select options for certain features.
  • Page 13 Hardware Configuration Solder side PEB-2770/2780VG2A User’s Manual...

  • Page 14: Connector Allocation

    Hardware Configuration Connector Allocation Connector Function Remark SATA1 Connector PS/2 Keyboard/Mouse Connector (1*6 Wafer/2.0mm) Line-OUT/Line-IN/Microphone connector (5*2-1 Pin Header) Port 80 Connector (2x5-1(Pin 9) Pin Header/2.54mm) SATA Power 1 Output Connector (1*4 Pin Wafer/2.5mm) LCD LVDS Connector (10*2 Pin Hirose) Inverter Power Connector (5*1 Pin Wafer) SATA Power 2 Output Connector (1*4 Pin Wafer/2.5mm) SATA2 Connector...
  • Page 15 Hardware Configuration CF MASTER/SLAVE Setup (1x2 Pin Header/2.0mm) Case Open Detect Connector (1x2 Pin Header/2.0mm) Suspend LED Connector (1x2 Pin Header/2.0mm) COM3 RI Function Setup (3x2 Pin Header/2.0mm) COM2 RS232/RS422/RS485 Function Setup COM2 RI Function Setup (3x2 Pin Header/2.0mm) JP10 COM1 RI Function Setup (3x2 Pin Header/2.0mm) JP11 COM4 RI Function Setup (3x2 Pin Header/2.0mm)
  • Page 16 Hardware Configuration Pin Assignments of Connectors J3: SATA1 Connector J4: PS/2 Keyboard/Mouse Connector (1*6 Pin Wafer/2.0mm) PIN NO. DESCRIPTION K/B CLK M/S DATA K/B DATA KB5V M/S CLK J5: Line-OUT/Line-IN/Microphone connector (5*2 Pin Wafer/2.0mm) PIN NO. DESCRIPTION PIN NO. DESCRIPTION MIC in L Line in L Line in R...
  • Page 17 Hardware Configuration J8: LCD LVDS Connector (10*2 Pin Hirose) PIN NO. Description Description LCD1DO0+ LCD1DO0- LCD1DO1+ LCD1DO1- LCD1DO2+ LCD1DO2- LCD1CLK+ LCD1CLK- LCLK1 LDATA1 Ground Ground J9: Inverter Power Connector (5*1 Pin Wafer) PIN NO. Description LCD_BL EN +12V LCD_BL ADJ J10: SATA Power 2 Output Connector (1*4 Pin Wafer/2.5mm) PIN NO.
  • Page 18 Hardware Configuration J11: SATA2 Connector J12: SATA Power 2 voltage Setup (1*3 Pin Header/2.54mm) PIN NO. DESCRIPTION +12V Power Adj. voltage +3.3V J13: GPIO Connector (5*2 Pin BOX Header/2.0mm) PIN NO. DESCRIPTION DESCRIPTION GPIO0 reverse output GPIO0 GPIO1 reverse output GPIO1 GPIO2 reverse output GPIO2...
  • Page 19 Hardware Configuration J17: Battery Connector (1*2 Pin Wafer/2.0mm) PIN NO. DESCRIPTION Battery+ Battery- J18: USB (4~5) Connector (5*2-1 Pin Header/2.0mm) PIN NO. DESCRIPTION PIN NO. DESCRIPTION USB_D4- USB_D5- USB_D4+ USB_D4+ J19: USB (3~2) Connector (5*2-1 Pin Header/2.0mm) PIN NO. DESCRIPTION PIN NO.
  • Page 20 Hardware Configuration HDD ACTIVE# GROUND GROUND GROUND J21: CPU Fan Connector (3*1 Pin Wafer) PIN NO. DESCRIPTION Fan Speed Detect +12V Fan Speed Driver J22: PCIEx1 Daughter Board Connector 1 (1*6 Pin Female Header/2.54mm) PIN NO. DESCRIPTION RX0+ RX0- TX0+ TX0- CLK+ CLK-...
  • Page 21 Hardware Configuration J28: Power Input Connector (Din Jack 3 Pin) PIN NO. DESCRIPTION J29: VGA Connector (D-SUB15 Pin Female) J30: COM1 (RS-232) (D-SUB9 Pin Male) J31: DDR2 SDRAM Connector (SO-DIMM 200 Pin) J34: Compact Flash Card Connector (Type I & II) JP1: LCD Panel Light Enable Voltage Setup (1*3 Pin Header/2.0mm) PIN NO.
  • Page 22 Hardware Configuration JP5: Case Open Detect Connector (1x2 Pin Header/2.0mm) PIN NO. DESCRIPTION CASEOP# JP6: Suspend LED Connector (1x2 Pin Header/2.0mm) PIN NO. DESCRIPTION Suspend LED+ JP7: COM3 RI Function Setup (3x2 Pin Header/2.0mm) PIN NO. DESCRIPTION Short +5V Output RI Function ★...
  • Page 23 Hardware Configuration JP11: COM4 RI Function Setup (3x2 Pin Header/2.0mm) PIN NO. DESCRIPTION Short +5V Output RI Function ★ Short +12V Output Short Short +5V Output PEB-2770/2780VG2A User’s Manual 2-12...

  • Page 24: Chapter 3 System Installation

    System Installation Chapter 3 System Installation This chapter provides you with instructions to set up your system. The additional information is enclosed to help you set up onboard PCI device and handle Watch Dog Timer (WDT) and operation of GPIO in software programming. ®...

  • Page 25: Installing The Single Board Computer

    System Installation Installing the Single Board Computer To install your PEB-2780 into standard chassis or proprietary environment, please perform the following: Step 1 : Check all jumpers setting on proper position Step 2 : Install and configure CPU and memory module on right position Step 3 : Place PEB-2780 into the dedicated position in the system Step 4 : Attach cables to existing peripheral devices and secure it WARNING...

  • Page 26: Intel Integrated Graphics Gmch Chip

    System Installation 3.3.2 Intel Integrated Graphics GMCH Chip PEB-2780 uses Intel® N450 integrated graphic chipset to gain an outstanding graphic performance. Shared 8 accompany it to 128MB system DDR2-SDRAM with Total Graphics Memory. PEB-2780 supports VGA, LVDS dual display. This combination makes PEB-2780 an excellent piece of multimedia hardware.

  • Page 27: Clear Cmos Operation

    System Installation Clear CMOS Operation Please find Intel® High Definition Audio driver form PEB-2780 CD-title. The drivers support Windows XP/Vista/Win7. JP3 : RTC CMOS Clear Jumper Setting Pin No. Process Selection Normal (Keep COMS Setup) Clear CMOS Setup Note: The “* ” mark for default setting To correctly operate CMOS Clear function, users must turn off the system, move JP4 jumper to short pin 1 and 2.

  • Page 28: Wdt Function

    System Installation WDT Function The Watchdog Timer of motherboard consists of 8-bit programmable time-out counter and a control and status register. WDT Controller Register There are two PNP I/O port addresses that can be used to configure WDT. 2Eh: EFIR (Extended Function Index Register, for identifying CR index number) 2Fh: EFDR (Extended Function Data Register, for accessing desired CR) WDT Control Mode Register The working algorithm of the WDT function can be simply described as a counting...
  • Page 29 System Installation WDT Control Command Example // Enter Extended Function Mode outp(0x002E, 0x87); outp(0x002E, 0x87); // Enable Pin 77 as WDTO# // Select Logic Device 8 outp(0x002E, 0x07); outp(0x002F, 0x08); // Active Logic Device 8 outp(0x002E, 0x30); outp(0x002F, 0x01); // Select Count Mode outp(0x002E, 0xF5);...

  • Page 30: Gpio

    System Installation GPIO The motherboard provides 4 input / output ports that can be individually configured to perform a simple basic I/O function. GPIO Pin Assignment The PEB-2780 provides 8 input/output ports that can be individually configured to perform a simple basic I/O function. Users can configure each individual port to become an input or output port by programming register bit of I/O Selection.
  • Page 31 System Installation GPIO Control Command Example (C Language) #include <stdio.h> #include <conio.h> #include <dos.h> #define Superio2_Addr 0x2E /* #define DEBUG 1 */ void enter_Superio2_CFG(void) outportb(Superio2_Addr, 0x87); outportb(Superio2_Addr, 0x87); void exit_Superio2_CFG(void) outportb(Superio2_Addr, 0xAA); void Set_CFG2(unsigned char Addr2,unsigned char Value2) unsigned char d2; outportb(Superio2_Addr, Addr2);...
  • Page 32 System Installation unsigned char d2; outportb(Superio2_Addr, Addr2); delay(2); d2 = inportb(Superio2_Addr+1); #ifdef DEBUG printf("\nGet data %x from CR%x",d2,Addr2); #endif /*DEBUG*/ delay(2); return(d2); int main(void) unsigned char d2; printf("\n------------------------------------------------------------------------"); printf("\n- PEB-2770/2780 GPIO TEST Program R1.0 -"); printf("\n------------------------------------------------------------------------"); printf("\n Please short the following pins with 2.00mm-pitched jumper on J13"); printf("\n P.S: SIO: W83627UHG, Winbond");...
  • Page 33 System Installation /* Set GPIO Port 5 of Superio2 Enable */ Set_CFG2(0x07, 0x08); /* Select logic device 08*/ Set_CFG2(0xE0, 0xF0); /* GPIO Port 5 is [11110000], 0: output, 1:input */ Set_CFG2(0xE2, 0x00); /* GPIO Port 5 is non-inversed*/ delay(2); Set_CFG2(0x07, 0x08); /* Select logic device 08*/ Set_CFG2(0xE1, 0x0F);...

  • Page 34: Chapter 4 Bios Setup Information

    Troubleshooting Chapter 4 BIOS Setup Information PEB-2780 is equipped with the AMI BIOS stored in Flash ROM. These BIOS has a built-in Setup program that allows users to modify the basic system configuration easily. This type of information is stored in CMOS RAM so that it is retained during power-off periods.

  • Page 35: Main Menu

    Troubleshooting Main Menu Use this menu for basic system configurations, such as time, date etc. AMI BIOS, Processor, System Memory These items show the firmware and hardware specifications of your system. Read only. System Time The time format is <Hour> <Minute> <Second>. Use [＋] or [－] to configure system Time.

  • Page 36: Standard Cmos Setup Menu

    Troubleshooting Standard CMOS Setup Menu Use this menu to set up the items of special enhanced features. PEB-2770/2780VG2A User’s Manual...
  • Page 37 Troubleshooting CPU Configuration These items show the advanced specifications of your CPU. Read only. Max CPUID Value Limit Disabled for Windows XP The choice: Disabled, Enabled. Execute-Disable Bit capability When disabled, force the XD feature flag to always return 0 The choice: Disabled, Enabled.
  • Page 38 Troubleshooting Hyper Threading Technology “Enabled” for Windows XP and Linux 2.4.X (OS optimized for Hyper-Threading Technology and “Disabled” for other OS (OS not optimized for Hyper-Threading Technology). The choice: Enabled, Disabled. Intel(R) Speed Step (tm) Tech Disable: Disable GV3. Enable: Enable GV3. Intel(R) C-STATE Tech CPU idle is set to C2, C3, C4 State.
  • Page 39 Troubleshooting ATA/IDE Configuration The choice: Disabled, Compatible, Enabled. Legacy IDE Channels The choice: SATA Only, SATA Pri,PATA Sec, PATA Only. Primary / Secondary / Third / Fourth /Fifth IDE Master / Slave While entering setup, BIOS auto detects the presence of IDE devices. This displays the status of auto detection of IDE devices.
  • Page 40 Troubleshooting [Type] Press PgUp/<＋> or PgDn/<－> to select [Manual], [None] or [Auto] type. You can use [Manual] to define your own drive type manually. [LBA/Large Mode] Enabling LBA causes Logical Block Addressing to be used in place of Cylinders, Heads and Sectors. [Block (Multi-Sector Transfer)] Any selection except Disabled determines the number of sectors transferred per block.
  • Page 41 Troubleshooting Super IO Configuration Serial Port 1 Address/IRQ Allows BIOS Select Serial Port1 Base Addresses. The choice: Address: Disabled, 3F8, 3E8, 2E8, IRQ: 3, 4, 10, 11. Serial Port 2 Address/IRQ Allows BIOS Select Serial Port2 Base Addresses. The choice: Address: Disabled, 2F8, 3E8, 2E8, IRQ: 3, 4, 10, 11.
  • Page 42 Troubleshooting Serial Port 4 Address/IRQ Allows BIOS Select Serial Port4 Base Addresses. The choice: Address: Disabled, A20, A28, A30, A38, A40, A48. IRQ: 3, 4, 10, 11. Watch Dog Timer Set This BIOS testing option is able to reset the system according to the selected table. The Choice: Disabled, 10, 20, 30, 40 sec.
  • Page 43 Troubleshooting ACPI Settings Select for Advanced ACPI Configuration. PEB-2770/2780VG2A User’s Manual 4-10...
  • Page 44 Troubleshooting General ACPI Configuration Suspend mode This item specifies the power saving modes for ACPI function. If your operating system supports ACPI, you can choose to enter the Standby mode in S1 (POS) or S3 (STR) fashion through the setting of this field. Options are: [S1 (POS)] The S1 sleep mode is a low power state.
  • Page 45 Troubleshooting Advanced ACPI Configuration Advanced ACPI Configuration settings, Use this section to configure additional ACPI options. ACPI Version Features Enable RSDP pointers to 64-bit Fixed System Description Tables. The choice: ACPI v1.0 / ACPI v2.0 / ACPI v3.0. ACPI APIC support Include ACPI APIC table pointer to RSDT pointer list.
  • Page 46 Troubleshooting South Bridge ACPI Configuration The South Bridge ACPI related Configuration settings, Use this section to configure additional ACPI options. Energy Lake Feature Select the ACPI state used for System Suspend. The choice: Disabled, Enabled. APIC ACPI SCI IRQ Enable / Disable APIC ACPI SCI IRQ. The choice: Disabled, Enabled.
  • Page 47 Troubleshooting AHCI Settings Select for AHCI Configuration. PEB-2770/2780VG2A User’s Manual 4-14...
  • Page 48 Troubleshooting AHCI Port0 ~ Port2 While entering setup, BIOS auto detects the presence of IDE devices. This displays the status of auto detection of IDE devices. SATA Port0 ~ Port2 Select the type of device connected to the system. The choice: Auto, Not Installed. S.M.A.R.T This allows you to activate the S.M.A.R.T.
  • Page 49 Troubleshooting APM Configuration Select for APM Configuration. Power Management/APM Enables for Power Management. The choice: Disabled, Enabled. Power Button Mode Go into On/Off or Suspend when Power button is pressed. The choice: On/Off, Suspend. Video Power Down Mode Power Down video in Suspend or Standby mode. The choice: Disable, Standby, Suspend.
  • Page 50 Troubleshooting Suspend Time out Go into Suspend in the specified Time. The choice: Disable. 1 Min, 2 Min, 4 Min, 8 Min, 10 Min, 20 Min, 30 Min, 40 Min, 50 Min, 60 Min. Throttle Slow Clock Ratio Select the Duty Cycle in Throttle mode. The choice: 12.5%, 25%, 37.5%, 50%, 62.5%, 75%, 87.5%.
  • Page 51 Troubleshooting Configure ASF Parameters Select for ASF Support PEB-2770/2780VG2A User’s Manual 4-18...
  • Page 52 Troubleshooting ASF Support The choice: Disabled, Enabled. MPS Configuration Configure the Multi-Processor Table. MPS Revision This field allows you to select which MPS (Multi-Processor Specification) version to be used for the operating system. You need to select the MPS version supported by your operating system.
  • Page 53 Troubleshooting PCI Express Configuration Configure PCI Express Support. Active State Power-Management PCI Express L0s and L1 link power states. The choice: Disabled, Enabled. PEB-2770/2780VG2A User’s Manual 4-20...
  • Page 54 Troubleshooting Smbios Configuration SMBIOS Configuration Menu Smbios Smi Support SMBIOS SMI Wrapper support for PnP Function 50h-54h The choice: Disabled, Enabled. PEB-2770/2780VG2A User’s Manual 4-21...
  • Page 55 Troubleshooting USB Configuration Legacy USB Support Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating system that does not support or have any USB 1.1/2.0 driver installed, such as DOS and SCO Unix. The choice: Disabled, Enabled, Auto. Port 64/60 Emulation The choice: Disabled, Enabled USB 2.0 Controller Mode...

  • Page 56: Ide Adaptors Setup Menu

    Troubleshooting IDE Adaptors Setup Menu Advanced PCI/PnP setting wrong values in below sections may cause system to malfunction. Clear NVRAM Clear NVRAM during System Boot. The choice: No, Yes. Plug & Play O/S No: lets the BIOS configure all the devices in the system. Yes: lets the operating system configure Plug and Play (PnP) devices not required for boot if your system has a Plug and Play operating system.
  • Page 57 Troubleshooting PCI Latency Timer Select value in units of PCI clocks for PCI device latency timer register. The choice: 32, 64, 96, 128, 160, 192, 224, 248. Allocate IRQ to PCI VGA Yes: Assigns IRQ to PCI VGA card if card requests an IRQ. No: Does not assign IRQ to PCI VGA card even if card requests an IRQ.
  • Page 58 Troubleshooting IRQ 3 / IRQ 4 / IRQ5 / IRQ7 / IRQ 9 / IRQ 10 / IRQ 11 / IRQ 14 / IRQ 15 Available: Specified IRQ is available to be used by PCI/PnP devices. Reserved: Specified IRQ is reserved for used by Legacy ISA devices. The choice: Available, Reserved.

  • Page 59: Advanced Bios Features

    Troubleshooting Advanced BIOS Features Use this menu to specify the priority of boot devices. PEB-2770/2780VG2A User’s Manual 4-26...
  • Page 60 Troubleshooting Boot Settings Configuration Quick Boot Enabling this setting will cause the BIOS power-on self test routine to skip some of its tests during boot up for faster system boot. The choice: Disabled, Enabled. Quiet Boot This BIOS feature determines if the BIOS should hide the normal POST messages with the motherboard or system manufacturer's full-screen logo.
  • Page 61 Troubleshooting AddOn ROM Display Mode This item is used to determine the display mode when an optional ROM is initialized during POST. When set to [Force BIOS], the display mode used by AMI BIOS is used. Select [Keep Current] if you want to use the display mode of optional ROM. The choice: Force BIOS, Keep Current.
  • Page 62 Troubleshooting Interrupt 19 Capture Interrupt 19 is the software interrupt that handles the boot disk function. When enabled, this BIOS feature allows the ROM BIOS of these host adaptors to "capture" Interrupt 19 during the boot process so that drives attached to these adaptors can function as bootable disks.
  • Page 63 Troubleshooting Hard Disk Drives 1st Drive This setting allows users to set the priority of the removable devices. First press <Enter> to enter the sub-menu. Then you may use the arrow keys (↑↓) to select the desired device, then press <＋>, <－> or <PageUp>, <PageDown> key to move it up/down in the priority list.

  • Page 64: Advanced Chipset Features

    Troubleshooting Advanced Chipset Features Use this menu to set supervisor and user passwords. Supervisor Password / Change Supervisor Password Supervisor Password controls access to the BIOS Setup utility. These settings allow you to set or change the supervisor password. User Password / Change User Password User Password controls access to the system at boot.

  • Page 65: Integrated Peripherals

    Troubleshooting Integrated Peripherals This menu controls the advanced features of the onboard Northbridge and Southbridge. PEB-2770/2780VG2A User’s Manual 4-32...
  • Page 66 Troubleshooting North Bridge Chipset Configuration DRAM Frequency Users are recommended to use Auto for memory frequency selection. The choice: Auto, 667, 800MHz. Configure DRAM Timing by SPD This option provides DRAM plug-and-play support by serial presence detect (SPD) mechanism via the system management bus (SMBUS) interface. The choice: Disabled, Enabled.
  • Page 67 Troubleshooting Video Function Configuration DVMT Mode Select Intel's Dynamic Video Memory Technology (DVMT) allows the system to dynamically allocate memory resources according to the demands of the system at any point in time. The key idea in DVMT is to improve the efficiency of the memory allocated to either system or graphics processor.
  • Page 68 Troubleshooting Flat Panel Type The choice: 640x480 18 bit, 800x600 18 bit, 1024x768 18 bit, 1280x1024 18bit, 1400x1050 18 bit, 1600x1200 18bit, 800x600 24 bit, 1024x768 24 bit, 1280x1024 24 bit. Spread Spectrum Clock The choice: Disabled, Enabled. South Bridge Configuration USB Functions This setting specifies the function of the onboard USB controller.
  • Page 69 Troubleshooting GbE LAN Boot When [Enabled], the BIOS attempts to boot from a LAN boot image before it attempts to boot from a local storage device. The choice: Enabled, Disabled. GbE Wake Up From S5 This field specifies whether the system will be awakened from the S5 power saving mode when activity or input signal of onboard LAN is detected.

  • Page 70: Power Management Setup

    Troubleshooting Power Management Setup This menu allows you to load the BIOS default values or factory default settings into the BIOS and exit the BIOS setup utility with or without changes. Exit Saving Changes Exit System Setup and save your changes to CMOS. Pressing <Enter> on this item asks for confirmation: Save changes to CMOS and exit the Setup Utility.

  • Page 71: Chapter 5 Troubleshooting

    Troubleshooting Chapter 5 Troubleshooting This chapter provides a few useful tips to quickly get PEB-2780 running with success. As basic hardware installation has been addressed in Chapter 2, this chapter will primarily focus on system integration issues, in terms of BIOS setting, and OS diagnostics.

  • Page 72: Bios Setting

    BIOS setting back to the initial factory configuration. It is recommended to do this so you can be sure the system is running with the BIOS setting that Portwell has highly endorsed. As a matter of fact, users can load the default BIOS setting any time when system appears to be unstable in boot up sequence.
  • Page 73 Troubleshooting Improper disable operation There are too many occasions where users disable a certain device/feature in one application through BIOS setting. These variables may not be set back to the original values when needed. These devices/features will certainly fail to be detected. It is also very common that users would like to disable a certain device/port to release IRQ resource.
  • Page 74 Troubleshooting System Memory Address Map Each On-board device in the system is assigned a set of memory addresses, which also can be identical of the device. The following table lists the system memory address used for your reference. Memory Area Size Description 0000-003F...
  • Page 75 Troubleshooting Interrupt Request Lines (IRQ) Peripheral devices can use interrupt request lines to notify CPU for the service required. The following table shows the IRQ used by the devices on board. IRQ# Current Use Default Use IRQ 0 System ROM System Timer IRQ 1 System ROM...

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