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...

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...

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...

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...

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...

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...

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...

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...

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...

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...