Gigabyte Gag1975xc Manual

							Hardware Installation - 31 -
English
21) PW1 / PW2 [C.R.S. (CMOS Reload Switch)]
Allows user to clear the CMOS and reboot the system simultaneously.  C.R.S. provides conve-
nient default settings retrieve and jumper-free CMOS reload.
PW2(Blue) PW1(Red)
Definition
PW1 Clear CMOS +  Power On
PW2 Power On / Off
20) COMA (COMA Connector)
Be careful with the polarity of the COMA connector. Check the pin assignment carefully while you
connect the COMA cable, incorrect connection between the cable and connector will make the
device unable to work or even damage it. For optional COMA cable, please contact your local
dealer.
Pin No. Definition
1 NDCDA-
2 NSINA
3 NSOUTA
4 NDTRA-
5 GND
6 NDSRA-
7 NRTSA-
8 NCTSA-
9 NRIA-
10 No Pin
1 2
9 10 
						

							GA-G1975X-C Motherboard - 32 -
English
22) RF_ID
This connector allows you to connect external devices to use extra function. Check the pin
assignments before you connect the external device cable. Please contact your nearest dealer for
the optional GIGABYTE external device.
1
Pin No. Definition
1 Power
2 RFID_RI-
3 RF_TXD
4 RF_RXD
5 No Pin
6 GND
5 26
23) CI (Chassis Intrusion, Case Open)
This 2-pin connector allows your system to detect if the chassis cover is removed. You can check
the Case Opened  status in BIOS Setup.
Pin No. Definition
1 Signal
2 GND
1 
						

							BIOS Setup - 33 -
English
BIOS (Basic Input and Output System) includes a CMOS SETUP utility which allows user to configure
required settings or to activate certain system features.
The CMOS SETUP saves the configuration in the CMOS SRAM of the motherboard.
When the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS
SRAM.
When the power is turned on, pushing the  button during the BIOS POST (Power-On Self Test) will
take you to the CMOS SETUP screen.
When setting up BIOS for the first time, it is recommended that you save the current BIOS to a disk in the
event that BIOS needs to be reset to its original settings. If you wish to upgrade to a new BIOS, either
GIGABYTEs Q-Flash or @BIOS utility can be used.
Q-Flash allows the user to quickly and easily update or backup BIOS without entering the operating system.
@BIOS is a Windows-based utility that does not require users to boot to DOS before upgrading BIOS but
directly download and update BIOS from the Internet.
Main Menu
The on-line description of the highlighted setup function is displayed at the bottom of the screen.
Status Page Setup Menu / Option Page Setup Menu
Press F1 to pop up a small help window that describes the appropriate keys to use and the possible selec-
tions for the highlighted item. To exit the Help Window press .
Chapter 2  BIOS Setup
CONTROL KEYS
   < > Move to select item
Select Item
 Main Menu - Quit and not save changes into CMOS Status Page Setup Menu
and Option Page Setup Menu - Exit current page and return to Main Menu
Increase the numeric value or make changes
 Decrease the numeric value or make changes
 General help, only for Status Page Setup Menu and Option Page Setup Menu
 Item Help
 Select Language
Restore the previous CMOS value from CMOS, only for Option Page Setup
Menu
 Load the fail-safe default CMOS value from BIOS default table
 Load the Optimized Defaults
 Dual BIOS/Q-Flash utility
 System Information
Save all the CMOS changes, only for Main Menu
Because BIOS flashing is potentially risky, please do it with caution and avoid inadequate
operation that may result in system malfunction. 
						

							GA-G1975X-C Motherboard - 34 -
English
 For Boot Menu
Award Modular BIOS v6.00PG, An Energy Star Ally
Copyright (C) 1984-2006, Award Software, Inc.
Intel I975 BIOS for G1975X-C E2
.
.
.
.
:BIOS Setup/Q-Flash, : Xpress Recovery2, For Boot Menu
02/09/2006-I975-6A79RG02C-00
 : For Boot Menu
Select boot sequence for onboard (or add-on cards) device.
Use <
> or  to select a device, then press enter to accept . Press  to exit this menu.
Boot Menu
FloppyLS120
Hard Disk
CDROM
ZIP
USB-FDD
USB-ZIP
USB-CDROM
USB-HDD
LAN ==  Select a Boot First device  ==
KL:Move   Enter :Accept   ESC:Exit
The Main Menu (For example: BIOS Ver. : E2)
Once you enter Award BIOS CMOS Setup Utility, the Main Menu (as figure below) will appear on the
screen.  Use arrow keys to select among the items and press  to accept or enter the sub-menu.
Please Load Optimized Defaults in the BIOS when somehow the system works not stable as
usual. This action makes the system reset to the default for stability.
The BIOS Setup menus described in this chapter are for reference only and may differ from the
exact settings for your motherboard.
CMOS Setup Utility-Copyright (C) 1984-2006 Award Software
`Standard CMOS Features
`Advanced BIOS Features
`Integrated Peripherals
`Power Management Setup
`PnP/PCI Configurations
`PC Health Status
`MB Intelligent Tweaker(M.I.T.)
Top PerformanceSelect Language
Load Fail-Safe Defaults
Load Optimized Defaults
Set Supervisor Password
Set User Password
Save & Exit Setup
Exit Without Saving
ESC: QuitF3: Change Language
F8: Dual BIOS/Q-FlashF10: Save & Exit Setup
Time, Date, Hard Disk Type... 
						

							BIOS Setup - 35 -
English„ „„ „
„Standard CMOS Features
This setup page includes all the items in standard compatible BIOS.
„ „„ „
„Advanced BIOS Features
This setup page includes all the items of Award special enhanced features.
„ „„ „
„Integrated Peripherals
This setup page includes all onboard peripherals.
„ „„ „
„Power Management Setup
This setup page includes all the items of Green function features.
„ „„ „
„PnP/PCI Configuration
This setup page includes all the configurations of PCI & PnP ISA resources.
„ „„ „
„PC Health Status
This setup page is the System auto detect Temperature, voltage, fan, speed.
„ „„ „
„MB Intelligent Tweaker(M.I.T.)
This setup page is control CPU clock and frequency ratio.
„ „„ „
„Top Performance
If you wish to maximize the performance of your system, set Top Performance as Enabled.
„ „„ „
„Select Language
This setup page is to select multi languages.
„ „„ „
„Load Fail-Safe Defaults
Fail-Safe Defaults indicates the value of the system parameters which the system would be in safe
configuration.
„ „„ „
„Load Optimized Defaults
Optimized Defaults indicates the value of the system parameters which the system would be in
best performance configuration.
„ „„ „
„Set Supervisor Password
Change, set, or disable password. It allows you to limit access to the system and Setup, or just
to Setup.
„ „„ „
„Set User Password
Change, set, or disable password. It allows you to limit access to the system.
„ „„ „
„Save & Exit Setup
Save CMOS value settings to CMOS and exit setup.
„ „„ „
„Exit Without Saving
Abandon all CMOS value changes and exit setup. 
						

							GA-G1975X-C Motherboard - 36 -
English
2-1 Standard CMOS Features
Date
The date format is , , , .
Week The week, from Sun to Sat, determined by the BIOS and is display only
Month The month, Jan. Through Dec.
Day The day, from 1 to 31 (or the maximum allowed in the month)
Year The year, from 1999 through 2098
Time
The times format in   . The time is calculated base on the 24-hour military-
time clock. For example, 1 p.m. is 13:00:00.
IDE Channel 0 Master, Slave
IDE HDD Auto-Detection Press Enter to select this option for automatic device detection.
IDE Device Setup.  You can use one of three methods:
• Auto Allows BIOS to automatically detect IDE devices during POST(default)
• None Select this if no IDE devices are used and the system will skip the automatic
detection step and allow for faster system start up.
• Manual User can manually input the correct settings.
Access Mode Use this to set the access mode for the hard drive. The four options are:
CHS/LBA/Large/Auto(default:Auto)
CapacityCapacity of currently installed hard disk.
Hard drive information should be labeled on the outside drive casing.  Enter the appropriate option
based on this information.
Cylinder Number of cylinders
HeadNumber of heads
PrecompWrite precomp
Landing Zone Landing zone
SectorNumber of sectors
If a hard disk has not been installed, select NONE and press .
CMOS Setup Utility-Copyright (C) 1984-2006 Award Software
Standard CMOS Features
Date (mm:dd:yy)We d, Feb 15 2005
Time (hh:mm:ss) 22:31:24
`IDE Channel 0 Master [None]
`IDE Channel 0 Slave[None]
`IDE Channel 2 Master[None]
`IDE Channel 2 Slave[None]
`IDE Channel 3 Master[None]
`IDE Channel 3 Slave[None]
Drive A[1.44M, 3.5]
Drive B [None]
Floppy 3 Mode Support[Disabled]
Halt On [All, But Keyboard]
Base Memory 640K
Extended Memory 511M
Total Memory512M
KLJI: Move Enter: Select+/-/PU/PD: ValueF10: SaveESC: ExitF1: General Help
F3: Language        F5: Previous Values         F6: Fail-Safe Defaults      F7: Optimized Defaults
Item Help
Menu Level`
Change the day, month,
year

Sun. to Sat.

Jan. to Dec.

1 to 31 (or maximum
allowed in the month)

1999 to 2098 
						

							BIOS Setup - 37 -
EnglishIDE Channel 2/3 Master
IDE HDD Auto-DetectionPress Enter to select this option for automatic device detection.
Extended IDE Drive
SATA IDE devices setup. You can use one of two methods:
• Auto Allows BIOS to automatically detect SATA IDE devices during POST(default)
• NoneSelect this if no SATA IDE devices are used and the system will skip the
automatic detection step and allow for faster system start up.
Access ModeUse this to set the access mode for the hard drive. The two options are:
Large/Auto(default:Auto)
CapacityCapacity of currectly installed hard drive.
Hard drive information should be labeled on the outside drive casing.  Enter the appropriate option
based on this information.
Cylinder Number of cylinders
HeadNumber of heads
PrecompWrite precomp
Landing Zone Landing zone
SectorNumber of sectors
Drive A / Drive B
The category identifies the types of floppy disk drive A or drive B that has been installed in the
computer.
None No floppy drive installed.
360K, 5.255.25 inch PC-type standard drive; 360K byte capacity.
1.2M, 5.255.25 inch AT-type high-density drive; 1.2M byte capacity.
(3.5 inch when 3 Mode is Enabled).
720K, 3.5 3.5 inch double-sided drive; 720K byte capacity .
1.44M, 3.5 3.5 inch double-sided drive; 1.44M byte capacity.
2.88M, 3.5 3.5 inch double-sided drive; 2.88M byte capacity.
Floppy 3 Mode Support (for Japan Area)
DisabledNormal Floppy Drive. (Default value)
Drive A Drive A is 3 mode Floppy Drive.
Drive B Drive B is 3 mode Floppy Drive.
BothDrive A & B are 3 mode Floppy Drives.
Halt on
The category determines whether the computer will stop if an error is detected during power up.
No Errors The system boot will not stop for any error that may be detected and  you
will be prompted.
All Errors Whenever the BIOS detects a non-fatal error the system will be stopped.
All, But Keyboard The system boot will not stop for a keyboard error; it will stop for all other
errors. (Default value)
All, But Diskette The system boot will not stop for a disk error; it will stop for all other errors.
All, But Disk/Key The system boot will not stop for a keyboard or disk error; it will stop for all
other errors. 
						

							GA-G1975X-C Motherboard - 38 -
English
Memory
The category is display-only which is determined by POST (Power On Self Test) of the BIOS.
Base Memory
The POST of the BIOS will determine the amount of base (or conventional) memory installed in the
system.
The value of the base memory is typically 512K for systems with 512K memory installed on the
motherboard, or 640K for systems with 640K or more memory installed on the motherboard.
Extended Memory
The BIOS determines how much extended memory is present during the POST.
This is the amount of memory located above 1 MB in the CPUs memory address map.
Total Memory
This item displays the memory size that used. 
						

							BIOS Setup - 39 -
English2-2 Advanced BIOS Features
Hard Disk Boot Priority
Select boot sequence for onboard(or add-on cards) SCSI, RAID, etc.
Use <
> or  to select a device, then press to move it up, or  to move it down the list.
Press  to exit this menu.
BIOS Flash Protection
This feature allows you to determine the states that when you flash BIOS.
AutoBIOS enables flash write access automatically when updating BIOS
data/DMI/ESCD. (Default value)
Enabled During POST, DMI/ESCD would not be updated. But flash tools can update
BIOS always.
First / Second / Third Boot Device
FloppySelect your boot device priority by Floppy.
LS120 Select your boot device priority by LS120.
Hard Disk Select your boot device priority by Hard Disk.
CDROM Select your boot device priority by CDROM.
ZIP Select your boot device priority by ZIP.
USB-FDDSelect your boot device priority by USB-FDD.
USB-ZIP Select your boot device priority by USB-ZIP.
USB-CDROM Select your boot device priority by USB-CDROM.
USB-HDDSelect your boot device priority by USB-HDD.
LAN Select your boot device priority by LAN.
Disabled Disable this function. #  System will detect automatically and show up when you install the Intel
® Pentium® 4
processor with HT Technology.
(Note) This item will show up when you install a processor that supports this function.
CMOS Setup Utility-Copyright (C) 1984-2006 Award Software
Advanced BIOS Features
`Hard Disk Boot Priority[Press Enter]
BIOS Flash Protection[Auto]
First Boot Device[Floppy]
Second Boot Device [Hard Disk]
Third Boot Device [CDROM]
Boot Up Floppy Seek[Disabled]
Boot Up Num-Lock[On]
Password Check [Setup]
Interrupt Mode[APIC]
HDD S.M.A.R.T. Capability[Disabled]
CPU Hyper-Threading # [Enabled]
Limit CPUID Max. to 3[Disabled]
No-Execute Memory Protect
 (Note)[Enabled]
CPU Enhanced Halt (C1E) (Note)[Enabled]
CPU Thermal Monitor 2(TM2) (Note)[Enabled]
CPU EIST Function (Note)[Enabled]
Delay For HDD (Secs) [0]
Init Display First[PEG]
DRAM Data Integrity Mode Non-ECC
KLJI: Move Enter: Select+/-/PU/PD: ValueF10: SaveESC: ExitF1: General Help
F5: Previous Values  F6: Fail-Safe Defaults F7: Optimized Defaults
Item Help
Menu Level`
Select Hard Disk Boot
Device Priority 
						

							GA-G1975X-C Motherboard - 40 -
English
Boot Up Floppy Seek
Boot Up Floppy SeekDuring POST, BIOS will determine the floppy disk drive installed
is 40 or 80 tracks. 360K type is40 tracks 720K, 1.2M and 1.44M are all 80 tracks.
Disabled BIOS will not search for the type of floppy disk drive by track number. Note that
there will not be any warning message if the drive installed is 360K.
(Default value)
Enabled BIOS searches for floppy disk drive to determine it is 40 or 80 tracks. Note that
BIOS can not tell from 720K, 1.2M or 1.44M drive type as they are all 80 tracks.
Boot Up Num-Lock
When set at On, allows the BIOS to automatically enable the Num Lock Function when the system
boots up.
On Keypad is number keys. (Default value)
Off Keypad is arrow keys.
Password Check
SetupThe system will boot but will not access to Setup page if the correct password
is not entered at the prompt. (Default value)
SystemThe system will not boot and will not access to Setup page if the correct
password is not entered at the prompt.
Interrupt Mode
PIC PIC (8259 Programmable Interrupt Controller). Use the traditional method to
provide IRQs for the system.
APICAPIC (Advanced Programmable Interrupt Controller). Provide more IRQs for the
system through IOAPIC. (Default value)
Note: BIOS will autodetect IOAPIC mode when an IOAPIC procoessor is installed. And your
operating system will be APIC-supported if you enable the APIC mode in BIOS before installing the
operating system.
However, if you replace the APIC processor with a non-APIC one or switch to PIC mode in BIOS,
you will not be able to enter the APIC operating system and will have to reinstall it.
HDD S.M.A.R.T. Capability
S.M.A.R.T. stands for Self-Monitoring and Analysis Reporting Technology which allows your hard
disk drive to report any read/write errors and issue a warning with LDCM installed.
EnabledEnable HDD S.M.A.R.T. capability.
DisabledDisable HDD S.M.A.R.T. capability. (Default value)
CPU Hyper-Threading
Enabled Enable CPU Hyper Threading Feature. Please note that this feature is only
working for operating system with multi processors mode supported. (Default
value)
DisabledDisable CPU Hyper Threading.
(Note) This item will show up when you install a processor that supports this function.