1. EP121_704.zip Driver
  2. Readme.txt File Contents

Readme.txt Driver File Contents (EP121_704.zip)

********************************** EP121-ASUS ***********************************
	This file is for internal use only, please do not pass this file outside
ASUS directly.
********************************************************************************
Model Name          : EP121-ASUS
North Bridge	    : Arrandale
South Bridge	    : HM55
EC		    : ITE 8752
Clock Generator	    :
FlashPart	    : SST 25VF032B
Source code from    : UL20FTAS.218.ZIP
********************************************************************************
CPU uCode :
	m03106e0_ffff0003.pdb
	m13106e0_ffff001f.pdb
	m13106f1_ffff0007.pdb
	m13106e1_ffff000d.pdb
	m13106e3_ffff0006.pdb
	m1320650_ffff0008.pdb
	m1320651_ffff0012.pdb
	m13106e5_00000003.pdb
	m1220652_00000009.pdb
	m9220655_00000002.pdb

EP121AS.704							      08/07/2012
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.704:C3C3
 EP121ME.704:48DF
 EP121F1.704:A2C6

(Skip DMI & ESCD) Checksum =
 EP121AS.704:DE58
 EP121F1.704:BD5B
================================================================================
1. Added ICS 9LVS3162 clock generator support.

EP121AS.703							      07/09/2012
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.703:8676
 EP121ME.703:48DF
 EP121F1.703:6579

(Skip DMI & ESCD) Checksum =
 EP121AS.703:A10B
 EP121F1.703:800E
================================================================================
 1. Makes the ACPI Table to be updated after resume from Hibernate (S4).

EP121AS.702							      07/06/2012
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.702:01EE
 EP121ME.702:48DF
 EP121F1.702:E0F1

(Skip DMI & ESCD) Checksum =
 EP121AS.702:1C83
 EP121F1.702:FB86
================================================================================
 1. Fix Memory Data May Be Destroyed By Itself When Use Memory Copy.

EP121AS.701							      05/15/2012
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.701:F947
 EP121ME.701:48DF
 EP121F1.701:D84A

(Skip DMI & ESCD) Checksum =
 EP121AS.701:13DC
 EP121F1.701:F2DF
================================================================================
 1. Support hotkeys under Windows 8.

EP121AS.603							      12/15/2011
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.603:F9C2
 EP121ME.603:48DF
 EP121F1.603:D8C5

(Skip DMI & ESCD) Checksum =
 EP121AS.603:3A0F
 EP121F1.603:1912
================================================================================
 1. Show model string as EP121 only (in SETUP/Easyflash/Winflash).

EP121AS.602							      12/13/2011
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.602:6B43
 EP121ME.602:48DF
 EP121F1.602:4A46

(Skip DMI & ESCD) Checksum =
 EP121AS.602:AB90
 EP121F1.602:8A93
================================================================================
 1. Fixed touch panel might be unworkable after resuming from S3/S4.

EP121AS.601							      03/22/2011
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.601:E574
 EP121ME.601:48DF
 EP121F1.601:C477

(Skip DMI & ESCD) Checksum =
 EP121AS.601:25C1
 EP121F1.601:05D3
================================================================================
 1. Show model string as EP121/B121 (in SETUP/Easyflash/Winflash).

EP121AS.502							      03/22/2011 (Rejected)
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.502:203E
 EP121ME.502:48DF
 EP121F1.502:FF41

(Skip DMI & ESCD) Checksum =
 EP121AS.502:608B
 EP121F1.502:409D
================================================================================
 1. Show model string as EP121/B121 (in SETUP/Easyflash/Winflash).

EP121AS.501							      01/26/2011
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.501:533B
 EP121ME.501:48DF
 EP121F1.501:323E

(Skip DMI & ESCD) Checksum =
 EP121AS.501:9388
 EP121F1.501:739A
================================================================================
 1. Init USB devices during S4 resume.


EP121AS.401							      12/29/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.401:27FF
 EP121ME.401:48DF
 EP121F1.401:0702

(Skip DMI & ESCD) Checksum =
 EP121AS.401:684C
 EP121F1.401:485E
================================================================================
 1. Update thermal policy.[E.E.][Thermal]


EP121AS.303							      12/17/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.303:CA0D
 EP121ME.303:48DF
 EP121F1.303:A910

(Skip DMI & ESCD) Checksum =
 EP121AS.303:1372
 EP121F1.303:EA6C
================================================================================
 1. Fixed S4 resume will boot to USB bootable device if AC power is not pluged.


EP121AS.302							      12/16/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.302:2971
 EP121ME.302:48DF
 EP121F1.302:0874

(Skip DMI & ESCD) Checksum =
 EP121AS.302:72D6
 EP121F1.302:49D0
================================================================================
 1. Fixed S4 resume will boot to USB bootable device.
 2. Skip onboard SD cardreader during boot.
 3. Set USB flash as 1st priority boot device and USB ODD as 2nd.


EP121AS.301							      12/14/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.301:2CFE
 EP121ME.301:48DF
 EP121F1.301:0C01

(Skip DMI & ESCD) Checksum =
 EP121AS.301:7663
 EP121F1.301:4D5D
================================================================================
 1. Modify thermal policy [Thmeral] [E.E.]
 2. Modified battery charging time out to 10hr by battery team request.[E.E.]
 3. Set USB device as 1st boot priority by MS request.


EP121AS.205							      12/09/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.205:3601
 EP121ME.205:48DF
 EP121F1.205:1504

(Skip DMI & ESCD) Checksum =
 EP121AS.205:59B1
 EP121F1.205:5660
================================================================================
 1. Modified USB port 1 driving by EE request.
 2. Reduce S3 resume time for whql test failed.


EP121AS.204							      11/30/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.204:EAB0
 EP121ME.204:48DF
 EP121F1.204:C9B3

(Skip DMI & ESCD) Checksum =
 EP121AS.204:0E60
 EP121F1.204:0B0F
================================================================================
 1. Set ODD as 1st priority every time an ODD attached.
 2. Fixed Crashfree is failed when using Winflash.
 3. Shorten the period to trigger ESC/Ctrl+Alt+Del hotkey.


EP121AS.203							      11/25/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.203:AEC9
 EP121ME.203:48DF
 EP121F1.203:8DCC

(Skip DMI & ESCD) Checksum =
 EP121AS.203:D278
 EP121F1.203:CF28
================================================================================
 1. Disable thermal sensor 0.


 EP121AS.202							      11/24/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.202:09BE
 EP121ME.202:48DF
 EP121F1.202:E8C1

(Skip DMI & ESCD) Checksum =
 EP121AS.202:2D6C
 EP121F1.202:2A1D
================================================================================
 1. Added ATK3 ACPI device.
 2. Support G-Sensor interrupt.


EP121AS.201							      11/19/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.201:6026
 EP121ME.201:48DF
 EP121F1.201:3F29

(Skip DMI & ESCD) Checksum =
 EP121AS.201:83D4
 EP121F1.201:8085
================================================================================
 1. Fixed SSN shows abnormal in DMI type01.
 2. Fixed "powercfg -energy" ASPM test failed.
 3. Remove PM LEVEL DOWN item.


EP121AS.200							      11/18/2010 (Rejected)
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.200:FF19
 EP121ME.200:48DF
 EP121F1.200:DE1C

(Skip DMI & ESCD) Checksum =
 EP121AS.200:22C7
 EP121F1.200:1F78
================================================================================
 1. Fixed SSN shows abnormal in DMI type01.
 2. Fixed "powercfg -energy" ASPM test failed.
 3. Remove PM LEVEL DOWN item.


EP121AS.105							      11/15/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.105:6CB1
 EP121ME.105:48DF
 EP121F1.105:4BB4

(Skip DMI & ESCD) Checksum =
 EP121AS.105:9061
 EP121F1.105:8D10
================================================================================
 1. Fixed WiFi/BT will be initilized as disabled.
 2. Support ATK0200 device.
 3. Support lock IGD on lowest ratio for thermal throttling.
 4. Update thermal policy.
 5. Fixed internal mic recording function is failed after S3 resumed.
 6. Support volume up/down and Home key change to up/down and ENTER key in windows.


EP121AS.104							      11/10/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.104:46AD
 EP121ME.104:48DF
 EP121F1.104:25B0

(Skip DMI & ESCD) Checksum =
 EP121AS.104:6A78
 EP121F1.104:670C
================================================================================
1. Support BIOS recovery(crashfree).
2. Fixed WiFi/Bluetooth status are incorrect after system reset.
3. Fixed CPU can't resume from throttling.
4. Fixed WHQL audio test failed.


EP121AS.103							      11/03/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.103:9F03
 EP121ME.103:48DF
 EP121F1.103:7E06

(Skip DMI & ESCD) Checksum =
 EP121AS.103:BF1A
 EP121F1.103:BF62
================================================================================
 1. Fixed WiFi can't be turn off.
 2. Fixed _PSD error of "powercfg -energy" test.
 3. Update Audio EQ.
 4. Support ESC key by long pressing virtual KB hotkey for 2 sec.
 5. Support sequential volume up/down event.
 6. Update thermal setting.


EP121AS.102							      10/26/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.102:AABF
 EP121ME.102:48DF
 EP121F1.102:89C2

(Skip DMI & ESCD) Checksum =
 EP121AS.102:7579
 EP121F1.102:CB1E
================================================================================
 1.Fixed WinFlash can't work.
 2.Fixed PMTE testing failed.(PS2 mouse missing issue.)
 3.Set ODD as 1st boot priority device.


EP121AS.101							      10/22/2010 (Rejected)
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.101:5C4F
 EP121ME.101:48DF
 EP121F1.101:3B52

(Skip DMI & ESCD) Checksum =
 EP121AS.101:2709
 EP121F1.101:7CAE
================================================================================
 1. Fixed NVRAM will be cleared after cmos is cleared.
 2. Update Realtek audio EQ.


EP121AS.100							      10/18/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.100:41F5
 EP121ME.100:48DF
 EP121F1.100:20F8

(Skip DMI & ESCD) Checksum =
 EP121AS.100:0CAE
 EP121F1.100:6254
================================================================================
 1. Release for ER.


EP121AS.003							      09/21/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.003:08AE
 EP121ME.003:48DF
 EP121F1.003:E7B1

(Skip DMI & ESCD) Checksum =
 EP121AS.003:3753
 EP121F1.003:290D
================================================================================
 1. Release for SR.


EP121AS.002							      08/30/2010
================================================================================
ME firmware version: 6.0.40.1215
(All)Checksum =
 EP121AS.002:A56E
 EP121ME.002:48DF
 EP121F1.002:8471

(Skip DMI & ESCD) Checksum =
 EP121AS.002:5B85
 EP121F1.002:C5CD
================================================================================
 1. Release for SMT.
Download Driver Pack

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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