VIA Technologies NAB-7500 User Manual

User’s Manual NAB-7500 Version 1.01 December 17, 2007

2 Mainboard Specifications CPU • VIA C7® 1.5GHz NanoBGA2 processor (2.0GHz and 1.0GHz options are also available) Chipset • VIA CN896 North Bridge

3 Back Panel I/O Ports • One DB-9 serial port • Five (NAB-7500-15TLG) or four (NAB-7500-15LG) RJ-45 LAN ports • Two USB 2.0 ports Onboard I/O Conn

4 Mainboard Layout

5 Back Panel Layout

6 CCCHHHAAAPPPTTTEEERRR 222 INSTALLATION This chapter provides you with information about hardware installation procedures. It is recommended to

7 CPU The VIA NAB-7500 mainboard is packaged with a standard VIA C7® 1.5GHz NanoBGA2 processor. Other processor speeds (i.e., 2.0GHz and 1.0GHz) are

8 Memory Module Installation Memory Slot: DDR2 DIMM The VIA NAB-7500 mainboard provides two 240-DIMM slots for DDR2 667/533 SDRAM memory modules and

9 Available DDR2 SDRAM Configurations Refer to the table below for available DDR2 SDRAM configurations on the mainboard. Slot Module Size Total DIMM

10 Connecting the Power Supply The VIA NAB-7500 mainboard supports a conventional ATX power supply for the power system. Before inserting the power s

11 Back Panel Ports The back panel has the following ports: 12V DC Power Jack (manufacturing option) The DC power jack is used to connect an externa

ii Copyright Copyright © 2007 VIA Technologies Incorporated. All rights reserved. No part of this document may be reproduced, transmitted, transcribe

12 Connectors VGA Connector: VGA This is an interface for connecting the included VGA pin connector cable. Pin Signal Pin Signal 1 GND 2 +5V 3 R

13 IDE Connector: IDE The mainboard has an Ultra DMA 133/100/66 controller. You can connect up to two IDE devices in any combination. Pin Signal Pin

14 USB Pin Connector: USB_2/3 and USB_4/5 The mainboard provides one 10-pin USB pin connectorand one 12-pin USB pin connector (allowing up to four ad

15 Digital I/O Connector: DIO General purpose digital input and output. Pin Signal Pin Signal 1 5V_DIO 2 12V_DIO 3 GPO_1 4 GPI_32 5 GPO_4 6 GPI_33 7

16 Case Connector: F_PANEL The F_PANEL pin header allows you to connect the power switch, reset switch, power LED, sleep LED, HDD LED and the case sp

17 KBMS Connector: KB/MS The mainboard provides a PS2 pin header to attach a PS2 keyboard and mouse. Pin Signal Pin Signal 1 +5V 2 GND 3 NC 4 KEY

18 Jumpers The mainboard provides jumpers for setting some mainboard functions. This section will explain how to change the settings of the mainboard

19 Voltage Selector for COM2 Connector: 5V-12V This VCC selector is to determine the input voltage of each COM connector. Setting 1 2 3 4 +5V ON ON

20 Slots Mini Peripheral Component Interconnect: MiniPCI The MiniPCI slot allows you to insert a MiniPCI expansion card. First unplug the power suppl

21 CCCHHHAAAPPPTTTEEERRR 333 BIOS SETUP This chapter gives a detailed explanation of the BIOS setup functions.

iii SAFETY INSTRUCTIONS  Always read the safety instructions carefully.  Keep this User's Manual for future reference.  Keep this equipment a

22 Entering the BIOS Setup Menu Power on the computer and press <Delete> during the beginning of the boot sequence to enter the BIOS setup menu

23 Control Keys Keys Description Move to the previous item Move to the next item Move to the item in the left side Move to the item in the right

24 Navigating the BIOS Menus The main menu displays all the BIOS setup categories. Use the <Left>/<Right> and <Up>/<Down> arr

25 Getting Help The BIOS setup program provides a “General Help” screen. You can display this screen from any menu/sub-menu by pressing <F1>.

26 Main Menu The Main Menu contains thirteen setup functions and two exit choices. Use arrow keys to select the items and press <Enter> to acce

27 PnP/PCI Configurations Use this menu to set the PnP and PCI configurations. PC Health Status This menu shows the PC health status. Frequency/Volta

28 Standard CMOS Features Date The date format is [Day, Month Date, Year] Time The time format is [Hour : Minute : Second] Halt On Set the system’s

29 IDE Drives IDE Channel 0 Master IDE Channel 0 Slave

30 The specifications of your drive must match with the drive table. The hard disk will not work properly if you enter incorrect information in this

31 Advanced BIOS Features Virus Warning Allows you to choose the VIRUS warning feature for IDE Hard Disk boot sector protection. Settings Descripti

iv TABLE OF CONTENTS Safety Instructions ...iii

32 First Boot Device Set the boot device sequence as BIOS attempts to load the disk operating system. Settings Description Removable Boot from exter

33 Boot Other Device Enables the system to boot from alternate devices if the system fails to boot from the “First/Second/Third Boot Device” lists. S

34 OS Select for DRAM > 64MB Select OS2 only if you are running OS/2 operating system with greater than 64MB of RAM on the system. Settings: [Non-

35 CPU Features Delay Prior to Thermal Settings: [4 Min, 8 Min, 16 Min, 32 Min] Thermal Management This item sets CPU’s thermal control rule to pro

36 Hard Disk Boot Priority This is for setting the priority of the hard disk boot order when the “Hard Disk” option is selected in the “[First/Sec

37 Network Boot Priority This is for setting the boot order of the connected networks.

38 Advanced Chipset Features Warning: The Advanced Chipset Features menu is used for optimizing the chipset functions. Do not change these setti

39 AGP & P2P Bridge Control AGP Aperture Size This setting controls how much memory space can be allocated to AGP for video purposes. The aper

40 CPU & PCI Bus Control VLink Mode Selection Settings: [By Auto, Mode 0, Mode 1, Mode 2, Mode 3, Mode 4] VLink 8X Support Settings: [Disabled,

41 Integrated Peripherals Onboard IDE Channel 0 Settings: [Disabled, Enabled] IDE HDD Block Mode Automatic detection of the optimal number of block

v Clear CMOS Connector: CLEAR_CMOS... 18 Master/Slave Setting for CF Connector: MS_CF_SEL...

42 OnBoard LAN Boot ROM Decide whether to invoke the boot ROM of the onboard LAN chip. Settings: [Enabled, Disabled] Watch Dog Timer Select Settings:

43 SuperIO Device Onboard Serial Port 1 Settings: [Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3, Auto] Onboard Serial Port 2 Settings: [Disable

44 VIA OnChip IDE Device IDE Prefetch Mode Settings: [Disabled, Enabled] CF Card UDMA66 To support only UDMA66 CF Card Settings: [Disabled, Enabled

45 USB Device Setting USB 1.0 Controller Enable or disable Universal Host Controller Interface for Universal Serial Bus. Settings: [Disabled, Enabl

46 USB Mouse Function Enable or disable Legacy support of USB Mouse. Settings: [Disabled, Enabled] USB Storage Function Enable or disable Legacy supp

47 Security Chip Configuration Security Chip Enable or disable security chip. Settings: [Disabled, Enabled]

48 Power Management Setup ACPI Suspend Type Settings Description S1(POS) S1/Power On Suspend (POS) is a low power state. In this state, no system

49 Video Off Option Select whether or not to turn off the screen when system enters power saving mode, ACPI OS such as Windows XP will override this

50 Peripherals Activities USB Resume Settings: [Disabled, Enabled] PowerOn by PCI Card Enables activity detected from any PCI card to power up the

51 PnP/PCI Configurations Note: This section covers some very technical items and it is strongly recommended to leave the default settings as is u

vi Second Boot Device ...32 Third Boot Device...

52 Resources Controlled By Enables the BIOS to automatically configure all the Plug-and-Play compatible devices. Settings Description Auto(ESCD) BIO

53 PC Health Status The PC Health Status displays the current status of all of the monitored hardware devices/components such as CPU voltages, tem

54 Frequency/Voltage Control DRAM Clock The chipset supports synchronous and asynchronous mode between host clock and DRAM clock frequency. Setting

55 Load Fail-Safe Defaults This option is for restoring all the default fail-safe BIOS settings. These values are set by the mainboard manufacture

56 Load Optimized Defaults This option is for restoring all the default optimized BIOS settings. The default optimized values are set by the mainb

57 Set Supervisor/User Password Set Supervisor User Password This option is for setting a password for entering BIOS Setup. When a password has b

58 There are two types of passwords you can set. A supervisor password and a user password. When a supervisor password is used, the BIOS Setup prog

59 Save & Exit Setup Entering “Y” saves any changes made, and exits the program. Entering “N” will cancel the exit request.

60 Exit Without Saving Entering “Y’ discards any changes made, and exits the program. Entering “N” will cancel the exit request.

61 CCCHHHAAAPPPTTTEEERRR 444 DRIVER INSTALLATION This chapter gives you brief descriptions of each mainboard driver and application. You must insta

vii VIA OnChip IDE Device ... 44 IDE Prefetch Mode...

62 Driver Utilities Getting Started VIA NAB-7500 Developer kits include a Driver CD that contains the drivers and software for enhancing the performa

63 Running the Driver Utilities CD To start using the CD, insert the CD into the CD-ROM or DVD-ROM drive. The CD should run automatically after closi

64 CD Content  VIA 4in1 Drivers:  Contains VIA ATAPI Vendor Support Driver (enables the performance enhancing bus mastering functions on ATA-capab

viii Set Supervisor.......57 User Password...

1 CCCHHHAAAPPPTTTEEERRR 111 SPECIFICATIONS The compact and highly integrated VIA NAB-7500 mainboard comes with an integrated VIA C7® NanoBGA2 pro