K5 Release Note :
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K5R01A1 :
Date : 10/02/2004
Version : R01-A1
CheckSum : 6A1Dh
Sign On Message : 915G-M Ver R01-A110/02/2004
1.  Redefine DMI System SN from 8 to 22 byte.
2.  Set "USB KB Wake up from S3" default Enabled.
3.  Hidden "Resume On LAN" option. 
4.  Remove F7 Key help string.
5.  Hidden "Battery Voltage" option.
6.  Hidden "Main Board S/N"
7.  Hidden all Smart Fan option, only "SMART FAN Contorl" present to select.
8.  Free PS/2 KB & MS wake up options & it also support S4/S5.
9.  OSB func. support. 
10. Modify release Ver. "R01-A1"

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K5R01A2 :
Date : 10/05/2004
Version : R01-A2
CheckSum : DA08h
Sign On Message : 915G-M Ver R01-A2 10/05/2004
1.Fill North bridge & onboard VGA subsystem ID.
2.Control PCI PME by BIOS.
3.Modified MCH, IGD, ICH6, USB, USB2.0, AUDIO subsystem/subvendor ID 
   to '0A8841019h'.
4.Supported to enter CMOS Setup while S4 resume.
5.Added INT15 Fun9601h for Acer Change BIOS Boot Sequence.
6.Fixed there is no HTT lable on OSB logo after displaying logo 
   and then to restart system without entering WinXP.
7.Modify release Ver. "R01-A2"

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K5R01A3 :
Date : 10/06/2004
Version : R01-A3
CheckSum : F967h
Sign On Message : 915G-M Ver R01-A3 10/06/2004
1.Fixed the BBS function "Try Other Boot" failed.
2.Displayed the CMOS items "Q_COMB_POR", "Q_COMB_MODE", and 
   "Q_COMB_DUPLEX_MODE" regarding COMB for user CMOS Setting.
3.Set the default value of CMOS question "Q_IGD_MEM_RANGE (Apture Size Select)" 
   to 256M.

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K5R01A4 :
Date : 10/11/2004
Version : R01-A4
CheckSum : 9E3Fh
Sign On Message : 915G-M Ver R01-A4 10/11/2004
1.Fixed Power Loss function failed.
2.Fixed the value of system fan speed was incorrect. 	

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K5R01B0 :
Date : 10/12/2004
Version : R01-B0
CheckSum : 9E3Fh
Sign On Message : 915G-M Ver R01-B0 10/12/2004
1.Refixed Power Loss function failed.
2.Refixed the value of system fan speed was incorrect. 	

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K5R01B1 :
Date : 10/14/2004
Version : R01-B1
CheckSum : 9485h
Sign On Message : 915G-M Ver R01-B0 10/14/2004
1.Fixed Power Loss function failed.
   AFTERG3_EN Bit of General PM Configuration 3 Register always set "1".
2.Turn off two singnals.(PCICLK4,PCICLK5) 	

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K5R01B2 :
Date : 11/10/2004
Version : R01-B2
CheckSum : 1FD2h
Sign On Message : 915G-M Ver R01-B1 11/10/2004
1.Added Password Check item in setup menu.
2.Fixed AC Power Loss issue!
3.Fixed unidentified ASCII string showing in SETUP MENU!

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K5R01B3 :
Date : 11/22/2004
Version : R01-B3
CheckSum : 2900h
Sign On Message : 915G-M Ver R01-B2 11/22/2004

1.Added Auto detect 3Pin and 4Pin CPU Fan function.

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K5R01B4 :
Date : 12/28/2004
Version : R01-B4
CheckSum : EE43h
Sign On Message : 915G-M5 Ver R01-B4 12/23/2004

1.Support 64bit CPU and OS.
2.Fixed User password issue.
3.Support 1MB,4MB,8MB,16MB and 32MB VGA share memory.
4.Fixed MDA2005 S3 issue that took long time to back OS!
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K5R01C0 :
Date : 01/20/2005
Version : R01-C0
CheckSum : 9D81h
Sign On Message : 915GL-M5A Ver R01-C0 01/20/2005

1.BIOS spec update for support NB 1.5version and SB 1.9version.
2.Support EIST function.
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K5R01C1 :
Date : 03/11/2005
Version : R01-C1
CheckSum : DE3Eh
Sign On Message : 915GL-M5A Ver R01-C1 03/11/2005

1.
	4PIN CPU:
		Startup Duty_Cycle = 30%
		Stop Duty_Cycle = 30%
	3PIN SYS:
		Startup Duty_Cycle = 30%
		Stop Duty_Cycle = 50%
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K5R01C2 :
Date : 06/20/2005
Version : R01-C2
CheckSum : 4435h
Sign On Message : 915GL-M5A Ver R01-C2 06/20/2005

1.Fixed for SMBIOS DMI TYPE4 CPU information.
2.Modified DMI TYPE0 information.
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K5R01C4 :
Date : 09/14/2005
Version : R01-C4

1. Base on ACER require , change BIOS CMOS setting: 
Integrated Peripherals\ Serial Port2 Address : Disabled ==> change to 2F8/IRQ3