[DEV] unofficial CyanogenMod 7/ClockworkMod Recovery 5 for TCC8902/TCC8803 tablets

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fun_

Senior Member
Aug 20, 2010
2,376
652
I looked ICS update for KYROS 7022 from cobygermany. it's interesting...
it uses old(GB) kernel and old kernel modules. I'm not sure but I guess userland proprietary libraries are also old. I feel some strangeness.

in ICS for Cat Nova, rom is provided as FWDN image with lk.rom. kernel is new(3.0.8). proprietary files are also new. new ICS library like as hwcomposer.tcc88xx.so and libhwui.so are provided. it seems quite normal.

these 2 are quite different.

I guess cobygermany asked 3rd party for porting ICS... update files for 7022 is distributed from here: http://upgrade-android.com/

then, what I want to say is, ICS for 7022 uses old kernel. it's good. almost of all files except kernel should work on other TCC8803 tablets with GB kernel, e.g. EM73. I was thinking(actually still thinking but no time...) to port CM9(10) for TCC8803 with GB kernel. but making custom ICS for other TCC8803 tablets may be nice too.
 

ivanoh

New member
Jul 19, 2012
2
0
•Emdoor EM73 resistive AK HY30

Does anyone have Emdoor EM73 resistive AK HY30 stock rom?

Thanks in advance
 

jampekka

Member
Jul 11, 2011
9
3
I looked ICS update for KYROS 7022 from cobygermany. it's interesting...

This caught my eye also and I was planning on trying to flash it, but decided not to risk it as I can't get to recovery/fastboot mode without adb access.

BTW, does anybody know how to get to recovery/fastboot with Diel Flick 7" (aka LY-F521 etc) if the OS won't boot to a point that ADB gets started?


Also it seems that Telechips released a 3.0 version of their kernel source, and it seems to be even buildable (unlike the old ones): http://www.cnx-software.com/2012/07...hips-tcc8925-mini-pcs-cx-01-z900-tizzbird-n1/ No idea though if it supports the 8803 chip and the MALI GPU.
 

fun_

Senior Member
Aug 20, 2010
2,376
652

jampekka

Member
Jul 11, 2011
9
3
I forgot many things about telechips... but I think kernel sources were buildable. it doesn't promise anything unlike many people thought something was promised...

It seems to build fine and has now the MALI (and afaik other relevant such as the tcc stuff) drivers built in. Can't get it to boot though, which is no wonder, as I just copied the old initramfs and commented out module loading. However, it's next to impossible to debug as there seems to be no way to get the boot messages.
 

Cazm

New member
Jul 27, 2012
1
0
Help please

Hi guys.
I have a Kogan Agora tablet and recently lost control of my touch screen when attempting to put android 3.0 on it. That failed and I have since tried to get the original OS from Kogan tech support and they were no help and directed me here.
I have all the Cyanogen TCC8803 mods now and none of them allow me to use the touch screen again.

Is there any way to sort this issue out?
oh and FWDN doesnt pick up my tablet..


Thanks
 

basaran76

Member
Jul 19, 2011
26
8
need help!

i got a made in china tablet and here it's spec.

can i use mods in this topic??

BuildInfos
Android version : 2.3.3
Release Codename : REL
API LEVEL : 10
CPU ABI : armeabi-v7a
Manufacturer : telechips
Bootloader : unknown
CPU ABI2 : armeabi
Hardware : m801_88
Radio : unknown
Board : m801_evm
Brand : telechips
Device : m801
Display : DFP7003 20110826_0902_V2_24ecc_G200
Fingerprint : telechips/full_m801/m801:2.3.3/GRI40/20110826_0902.141021:eng/test-keys
Host : emdoor-r710
ID : GRI40
Model : DFP7003
Product : DFP7003
Tags : test-keys
Type : eng
User : nicky

CPU
Processor ARMv7 Processor rev 2 (v7l)
BogoMIPS 799.53
Features swp half thumb fastmult vfp edsp thumbee neon vfpv3
CPU implementer 0x41
CPU architecture 7
CPU variant 0x2
CPU part 0xc08
CPU revision 2
Hardware m801_88
Revision 0000
Serial 0000000000000000
Freqency range: 100.0 -> 996.0MHz
Current Frequency: 996.0MHz
Frequency Stats (time)

Screen
Resolution: 800 x 480
Refresh Rate: 60.0
X factor for DIP: 1.25
Density: 200 dpi
Pixel per inch X: 160.0 dpi Y: 160.42105 dpi
 
Last edited:

flybot1050

Member
Jul 31, 2012
19
3
Dublin
I know that here isn't help/give thread. Whit my post i just want to know if somebody have or know this device(MPMAN 720) that could help me with stock recovery, and consequently encourage somebody that will create CyanogenMod for this device.

what is the trick? A some custom rom's for MID7015 woke up my device, but image is indented(offset) and touch screen not working. So i think ther's need a small change in this rom.

Last question. It is possible to get files(i think that are drivers) from system.img which i have uploaded, and overwrite it in rom for mid7015?

This forum is my last option, because i am searching rom for my device for a long time, but there are exist for a lot of similar device, bot for my nothing(also does not work CyanogenMod).

Or If somebody could explain me how to get valid backup from the same device(which it have my friend) i will be grateful. If will be sucessful, i will upload the backup for other users and research for cyanogen.

Tnx again.




hey guys, new to this, just got a MP720, not much firmware about for this one, not must of anything really,

I did however find this site with links to the to original firmware from MPMAN,

using google translate haha, it seems the two flavours of chipset for this taplet,

Hynix NAND firmware:
https://dl.dropbox.com/u/29403117/MP720 An 2.3_Hynix.rar
Micron NAND firmware:
https://dl.dropbox.com/u/29403117/MP720 An 2.3_Micron.rar
Flash Tool:
https://dl.dropbox.com/u/29403117/upgrade tool and Introduction.rar

that said i have not tested these FW's and cant vouch for the safety of using them,

I'm not a developer but hopefully they could be usefull for making a cyanogenmod for it (fingers crossed haha) or some one who has bricked there tap,

source:
https://slo-tech.com/forum/t528078

I have downloaded these files so if the link becomes dead please let me know and i will send them :)
 

irocky1969

Member
Oct 2, 2008
11
1
* How to make backup of stock recovery
1. download dump-recovery-signed.zip and put it as update.zip on root of SD card (e.g. /sdcard/update.zip) *1 *2
2. install update.zip from stock recovery *3

stock recovery will be dumped as dumped_recovery.img and /proc/mtd will be copied as dumped_proc_mtd.txt on root of SD card. keep them in safe place.

* How to install ClockworkMod Recovery 5
1. make backup of stock recovery
2. download recovery.zip and put it as update.zip on root of SD card (e.g. /sdcard/update.zip) *1 *2
3. install update.zip from stock recovery *3

clockworkmod will be booted on next reboot recovery.

how to operate: MENU/VOL- = next(down), SEARCH/VOL+ prev(up), HOME/POWER = select, BACK = back

*1 if recovery is 3e, you can put it with any name on any directory in SD card
*2 some tablets/roms mount internal storage as /sdcard. confirm update.zip exists on root of SD card.
*3 some tablets/roms have system update function in Settings to install update.zip


* How to install ClockworkMod Recovery 5 (alternative)
a. flash recovery.img in recovery.zip by fastboot (if your tablet has fastboot mode)
b. flash recovery.img in recovery.zip by flash_image command on root shell
c. flash tcc_mtd.img with clockworkmod recovery.img by FWDN

you may need to delete /system/etc/install-recovery.sh before install (if it exists on your tablet)

* How to install CyanogenMod 7
1. install ClockworkMod Recovery 5
2. reboot recovery
3. make backup of stock ROM
4. wipe data/factory reset *4
5. install cyanogen.zip
6. reboot
7. touchscreen calibration *4 *5

*4 only if you are upgrading from non-CM7 ROM (CM7 1st install)
*5 only if you are using resistive touchscreen or misaligned capacitive touchscreen. if calibration is not needed, press BACK to cancel calibration.


* How to flash FWDN image (Windows PC is required)
i) prepare
1. download FWDN_V7_v2.13.exe
2. download & install VTC Driver v5.xx for your Windows PC
3. download lk.rom and tcc_mtd.img for your tablet (DO NOT USE FILES FOR OTHER TABLETS!)
4. connect power cable (do not use USB power for safety)

ii) flash bootloader(lk.rom) you can skip this step if you already flashed proper lk.rom or you don't have proper lk.rom for your tablet
1. start FWDN on PC
2. drag & drop lk.rom into FWDN window
3. (re)boot tablet into FWDN mode
4. connect PC and tablet (window popped and size of "NAND Data" is displayed in Area Map in FWDN window)
5. confirm checkbox of lk.rom is checked
6. click "Start" & wait complete
7. disconnect & reboot tablet into FWDN mode to use new(just flashed) bootloader
8. uncheck checkbox of lk.rom (it's ok if checked but no reason to flash again in next step)

iii) flash Android image and initialize internal NAND(FAT) partition
1. drag & drop tcc_mtd.img into FWDN window
2. (re)boot tablet into FWDN mode (if you forgot it in 7. in previous step)
3. connect PC and tablet
4. click "NAND Data" in Area Map in FWDN window *6 *7
5. fill "Image File Path" (use [...] button) *8
6. click "Create Image" (NAND Data.fai will be added in main FWDN window)
7. confirm checkbox of tcc_mtd.img and NAND Data.fai are checked
8. click "Start" & wait complete (take several minutes)
9. disconnect & reboot tablet

*6 creating new NAND Data.fai is required when size of NAND Data(FAT partition) is changed by flashing new lk.rom in previous step. you can use same NAND Data.fai if you are using same lk.rom. don't use NAND Data.fai from other people.
*7 if size of NAND Data is not changed, you can skip flashing NAND Data.fai to keep your files in NAND(FAT) partition.
*8 you can make non-empty NAND Data.fai in this window

Thank U so much mate - U really saved the day, I thought I would have to go back to HCL to do something about my ME X1, coz nowhere on the internet was any clear instructions or detailed steps to flash a rom on to the ME X1 neither on the HCL website! And the situation was very grief as I was stuck with Recovery screen or the FWDN screen and thru Recovery I tried the Gingerom 1.0 - but because the rom wasn't a proper build it wouldn't last more then 10seconds after booting up - so I gave it a break for 12 hours as I was very tired of googling and visiting 100 of sites but with no results - till I came across your page on XDA and followed the steps described by U - though it took nearly 4 hours for me to revive the ME X1 thru U guidance and downloading all the necessary files and a lot of prayers then voila - CM7 got booted after the Chinese bootloader screen & hence rest is all smiles, my nephew so so glad and I personally can't thank you enough - God bless U & keep up the good work :0)
 

PaintballerAlex07

Senior Member
Sep 14, 2011
284
52
Texas, Laredo
I looked ICS update for KYROS 7022 from cobygermany. it's interesting...
it uses old(GB) kernel and old kernel modules. I'm not sure but I guess userland proprietary libraries are also old. I feel some strangeness.

in ICS for Cat Nova, rom is provided as FWDN image with lk.rom. kernel is new(3.0.8). proprietary files are also new. new ICS library like as hwcomposer.tcc88xx.so and libhwui.so are provided. it seems quite normal.

these 2 are quite different.

I guess cobygermany asked 3rd party for porting ICS... update files for 7022 is distributed from here: http://upgrade-android.com/

then, what I want to say is, ICS for 7022 uses old kernel. it's good. almost of all files except kernel should work on other TCC8803 tablets with GB kernel, e.g. EM73. I was thinking(actually still thinking but no time...) to port CM9(10) for TCC8803 with GB kernel. but making custom ICS for other TCC8803 tablets may be nice too.

It woul be great to have some roms made, especially for the 7022. I made a cm9 port for the 7022 but I could not get theme chooser to function. The problem with making cm9/10 is that the kernel source files are needed in order to get the rom fully funtional.
If anyone needs help in making roms for tcc8803 tablets I'll be glad to help.

Sent from my HTC Vision using Tapatalk 2

---------- Post added at 04:00 PM ---------- Previous post was at 03:53 PM ----------

Hey fun, I can help in making a cm9/10 rom for this tablet

Sent from my HTC Vision using Tapatalk 2
 

fun_

Senior Member
Aug 20, 2010
2,376
652
Hey fun, I can help in making a cm9/10 rom for this tablet

thanks. but I think you're making CM9 for 7022 by modifying another CM9 rom for another tablet, right?
I'm using source code and I'm not using any another rom. and most importantly I don't have enough time :(

please continue your work. I'll port CM9 for telechips myself but I can't promise when I can do it.

thank you for your cooperation.
 

paulies

Member
Oct 26, 2010
16
1
Hi,

I hope someone can help me I have tried both

HSG X5A (a.k.a. Herotab RK7, Pandawill G11 1st model)
HSG X5A-G (a.k.a. COBY Kyros MID7005, Herotab X5A, Pandawill G11 2nd model)

I cant get either of them to work the tablet just switches its self of I have to take the table apart to get it back in FWDN mode. I have tried load of different software none of them work I have found but gets constant force closes on me.

Am I flashing wrong? I have followed loads of guides I really appreicate any help getting this running.

Thanks Paul
 

paulies

Member
Oct 26, 2010
16
1
Hi,

I hope someone can help me I have tried both

HSG X5A (a.k.a. Herotab RK7, Pandawill G11 1st model)
HSG X5A-G (a.k.a. COBY Kyros MID7005, Herotab X5A, Pandawill G11 2nd model)

I cant get either of them to work the tablet just switches its self of I have to take the table apart to get it back in FWDN mode. I have tried load of different software none of them work I have found but gets constant force closes on me.

Am I flashing wrong? I have followed loads of guides I really appreicate any help getting this running.

Thanks Paul

Just to add to my post above the info printed on the circuitboard is

HSG7001A_V3(TWO TOUCH)
 

Kiiv

Senior Member
May 21, 2008
323
6
Paris
thanks. but I think you're making CM9 for 7022 by modifying another CM9 rom for another tablet, right?
I'm using source code and I'm not using any another rom. and most importantly I don't have enough time :(

please continue your work. I'll port CM9 for telechips myself but I can't promise when I can do it.

thank you for your cooperation.

Hi,

I'm currently trying to port some rom to coby mid8127 (tcc8803 too)... No success so far.
I'm currently working on cat nova ROM cause I was hoping we could fix bugs of coby release with cat libs. But if the kernel version is different, I suppose it is not so simple...
Do you think we can use the kernel from cat nova on our tablets ? I've no much knowledge with kernel so I don't know if we can use a kernel made for an other device if the chipset is the same.

EDIT : and do someone know for which devices those kernel are for ? https://www.telechips.com/technical_support/kor/opensource/opensource_list.asp
I've read jampekka's post but I don't understand if it's a no go or if it needs just a little more work.
 
Last edited:

Dreamboxuser

Senior Member
Jan 24, 2012
380
83
First off all the devices are listed In arch/arm/configs so check if your device is there.

Also fun_ where can I find the source to compile a bootloader.img for a tcc8803_evm?

As for the kernel compiling check out this thread.

http://forum.xda-developers.com/showthread.php?p=28209606

Sent from my GT-S5360 using Tapatalk 2
 
Last edited:

Kiiv

Senior Member
May 21, 2008
323
6
Paris
Ok, there is a config file for tcc880x chispet and we can select tcc8803 when running make config. So it should be possible to compile a 3.0.8 kernel for coby devices.

I'll read the thread you point me about. Thanks for the link.
 
Last edited:

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  • 28
    this is a work-in-progress development project for porting CyanogenMod 7 (gingerbread/2.3.7) and ClockworkMod Recovery 5 to Telechips TCC8902 and TCC8803 tablets.

    this is not perfect at all. and I'm very busy. progress will be very very slow. I may not be able to answer your question/request. if you have some idea for improvement, please do it freely.

    there is no support from any makers/vendors. you must agree all risks by installing non-supported files, it may brick your tablet, and you may lose official support/warranty.

    * YOU MUST READ CAREFULLY POST#1, #2, AND #3!
    * DO NOT USE IF YOUR TABLET IS NOT LISTED BELOW. IT WILL BRICK YOUR TABLET!
    * DO NOT USE FwTool APP. IT WILL BRICK TOUCHSCREEN!


    * project page
    http://androtab.info/telechips/cyanogenmod/

    * supported tablets (TCC8902 with atheros wifi)
    a-rival PAD NAV-PA80/83 capacitive (a.k.a. ViewQuest Slate 8")
    a-rival PAD NAV-PA81 resistive
    Cherrypal CherryPad America (a.k.a. NanoPad)
    COBY Kyros MID7015(4K)/7016(8K) GB ROM (a.k.a. Emdoor EM71 singletouch, Optimist Gpad701)
    ConCorde tab 7.1 GB ROM (a.k.a. DWCO UM700)
    Dropad D10 (a.k.a. GOCLEVER TAB T73)
    Emdoor EM51
    Emdoor EM71 multitouch (a.k.a. Herotab G701, Lonpad D7)
    Haipad M1001 GB ROM 4K(non-HY) and 8K(HY) (a.k.a. Musican U10, Telepad 10.1)
    Haipad M701 GB ROM 4K(non-HY) and 8K(HY) (a.k.a. Musican U70, Pandawill G10 1st/3rd model)
    HSG X5A (a.k.a. Herotab RK7, Pandawill G11 1st model)
    HSG X5A-G (a.k.a. COBY Kyros MID7005, Herotab X5A, Pandawill G11 2nd model)
    HSG X6D
    HSG X6 GB ROM
    inet S1008
    Optimist Gpad802 GB ROM
    Phecda P7 4K(non-HY) and 8K(HY) (a.k.a. TMARSS P7)
    Phecda P7S GB ROM
    Storage Options miScroll GB ROM
    Storage Options Scroll 7" capacitive GB ROM
    Storage Options Scroll 7" resistive 4K(non-S) and 8K(S)
    Storage Options Scroll 8"

    * supported tablets (TCC8902 with realtek wifi)
    Haipad M701 512MB
    RoverPad 3W T71
    Yarvik TAB211 (a.k.a. EKEN MT705)

    * supported tablets (TCC8803 with atheros wifi)
    COBY Kyros MID7022 (a.k.a. ConCorde tab 7020, Emdoor EM73 capacitive HY30, Joyplus M778 capacitive HY30, Optimist Gpad702 HY30)
    Emdoor EM73 capacitive GC2M 4K and 8K (a.k.a. mivvy MIDroid H23, Joyplus M778 capacitive GC2M, Kogan Agora, Optimist Gpad702 GC2M, Telepad 7C)
    Emdoor EM73 resistive AK GC2M, HY30 and SX HY2M (a.k.a. DFP7002A8, Joyplus M778 resistive)
    inet 11A3 resistive and 11A4 capacitive
    LY-F521 with 1024x600 LCD (a.k.a. Diel Flick 7", Sense V7, Suli MY-7)
    LY-F521 with 800x480 LCD

    * supported tablets (TCC8803 with realtek wifi)
    inet 11A5 capacitive

    * current status (2011/10/29)
    not work:
    3G, bluetooth, camera, hardware accelerated video, GPS, HDMI, and many things which you expect to work

    work:
    accelerometer, audio, gapps, internal NAND flash, SD card, touchscreen with calibration app, USB host/device, wlan

    * changelog
    refer git log

    * resources
    http://www.cyanogenmod.com/ (What is CyanogenMod?)
    http://wiki.cyanogenmod.com/index.php?title=Latest_Version#Google_Apps (Google Apps)
    http://wiki.cyanogenmod.com/index.php?title=Building_from_source
    http://source.android.com/source/
    http://review.cyanogenmod.com/#q,status:merged,n,z (CyanogenMod merged changes)
    https://github.com/naobsd/cm_device_telechips_common
    https://github.com/naobsd/cm_device_telechips_tcc8803
    https://github.com/naobsd/cm_device_telechips_tcc8803rt (for realtek wifi models)
    https://github.com/naobsd/cm_device_telechips_tcc8902gb (for TCC8902 with GB ROM)
    https://github.com/naobsd/cm_device_telechips_tcc8902rt (for TCC8902 with realtek wifi models)
    https://github.com/naobsd/cm_device_telechips_tcc8902 (for TCC8902 with Eclair ROM)
    https://github.com/naobsd/cm_external_yaffs2/compare/gingerbread-naobsd (placeholder for patches to cherry-pick)
    https://github.com/naobsd/cm_frameworks_base/compare/gingerbread-naobsd (placeholder for patches to cherry-pick)
    https://github.com/naobsd/cm_packages_apps_TSCalibration
    https://github.com/naobsd/cm_system_core/compare/gingerbread-naobsd (placeholder for patches to cherry-pick)
    http://www.bernhard-ehlers.de/projects/unyaffs.html

    * users' forum
    http://scrolltabletforum.co.uk/site/viewtopic.php?f=15&t=1390 (Scroll)
    9
    * How to make backup of stock recovery
    1. download dump-recovery-signed.zip and put it as update.zip on root of SD card (e.g. /sdcard/update.zip) *1 *2
    2. install update.zip from stock recovery *3

    stock recovery will be dumped as dumped_recovery.img and /proc/mtd will be copied as dumped_proc_mtd.txt on root of SD card. keep them in safe place.

    * How to install ClockworkMod Recovery 5
    1. make backup of stock recovery
    2. download recovery.zip and put it as update.zip on root of SD card (e.g. /sdcard/update.zip) *1 *2
    3. install update.zip from stock recovery *3

    clockworkmod will be booted on next reboot recovery.

    how to operate: MENU/VOL- = next(down), SEARCH/VOL+ prev(up), HOME/POWER = select, BACK = back

    *1 if recovery is 3e, you can put it with any name on any directory in SD card
    *2 some tablets/roms mount internal storage as /sdcard. confirm update.zip exists on root of SD card.
    *3 some tablets/roms have system update function in Settings to install update.zip


    * How to install ClockworkMod Recovery 5 (alternative)
    a. flash recovery.img in recovery.zip by fastboot (if your tablet has fastboot mode)
    b. flash recovery.img in recovery.zip by flash_image command on root shell
    c. flash tcc_mtd.img with clockworkmod recovery.img by FWDN

    you may need to delete /system/etc/install-recovery.sh before install (if it exists on your tablet)

    * How to install CyanogenMod 7
    1. install ClockworkMod Recovery 5
    2. reboot recovery
    3. make backup of stock ROM
    4. wipe data/factory reset *4
    5. install cyanogen.zip
    6. reboot
    7. touchscreen calibration *4 *5

    *4 only if you are upgrading from non-CM7 ROM (CM7 1st install)
    *5 only if you are using resistive touchscreen or misaligned capacitive touchscreen. if calibration is not needed, press BACK to cancel calibration.


    * How to flash FWDN image (Windows PC is required)
    i) prepare
    1. download FWDN_V7_v2.13.exe
    2. download & install VTC Driver v5.xx for your Windows PC
    3. download lk.rom and tcc_mtd.img for your tablet (DO NOT USE FILES FOR OTHER TABLETS!)
    4. connect power cable (do not use USB power for safety)

    ii) flash bootloader(lk.rom) you can skip this step if you already flashed proper lk.rom or you don't have proper lk.rom for your tablet
    1. start FWDN on PC
    2. drag & drop lk.rom into FWDN window
    3. (re)boot tablet into FWDN mode
    4. connect PC and tablet (window popped and size of "NAND Data" is displayed in Area Map in FWDN window)
    5. confirm checkbox of lk.rom is checked
    6. click "Start" & wait complete
    7. disconnect & reboot tablet into FWDN mode to use new(just flashed) bootloader
    8. uncheck checkbox of lk.rom (it's ok if checked but no reason to flash again in next step)

    iii) flash Android image and initialize internal NAND(FAT) partition
    1. drag & drop tcc_mtd.img into FWDN window
    2. (re)boot tablet into FWDN mode (if you forgot it in 7. in previous step)
    3. connect PC and tablet
    4. click "NAND Data" in Area Map in FWDN window *6 *7
    5. fill "Image File Path" (use [...] button) *8
    6. click "Create Image" (NAND Data.fai will be added in main FWDN window)
    7. confirm checkbox of tcc_mtd.img and NAND Data.fai are checked
    8. click "Start" & wait complete (take several minutes)
    9. disconnect & reboot tablet

    *6 creating new NAND Data.fai is required when size of NAND Data(FAT partition) is changed by flashing new lk.rom in previous step. you can use same NAND Data.fai if you are using same lk.rom. don't use NAND Data.fai from other people.
    *7 if size of NAND Data is not changed, you can skip flashing NAND Data.fai to keep your files in NAND(FAT) partition.
    *8 you can make non-empty NAND Data.fai in this window
    8
    * issues
    no mic input with stock apps
    USB host on Scroll 7" resistive and 8"
    USB mass storage mode (mount from PC) under some condition
    some USB mouse
    suspend/resume on Emdoor's tablet with Eclair ROM (a-rival PADs, EM51, and EM71 multitouch)

    * tips
    - what is lk_androtab.rom? / how to increase size of /data?
    use lk_androtab.rom in FWDN.zip. in lk_androtab.rom, size of partitions are modified to get more /data. in addition to this, lk.rom/lk_androtab.rom for COBY Kyros MID7015/7016/7022 and EM73 capacitives have +512MB for MTD(assigned to /data) and -512MB for NAND.

    - how to use internal NAND flash as SD card?
    Settings -> CyanogenMod settings -> Application -> Use internal storage -> On -> reboot
    if enabled, internal NAND flash is mounted on /mnt/sdcard and SD card is mounted on /mnt/nand.
    in clockworkmod, internal NAND flash is mounted on /emmc. it will be used by "install zip from sdcard -> choose zip from internal sdcard".

    - I like portrait / my favorite portrait apps are upside down / accelerometer axes are wrong on some apps
    make /data/local.prop with following 3 lines, then reboot.
    Code:
    accelerometer.hwrotation=270
    input.hwrotation=270
    ro.sf.hwrotation=270

    * FAQ
    - what is GB ROM?
    old TCC8902 tablets were shipped with Eclair ROM, but there is GingerBread ROM for some tablets. bootloader(lk.rom) and kernel in GingerBread ROM are not compatible with bootloader/kernel in Eclair ROM. CM7 for GB ROMs only work with bootloader in GB ROM, so you need to install GB ROM before installing CM7. (you can use CM7 FWDN image as alternative)

    - what is 4K/8K?
    there is 2(or more) variants for some tablets. they have different NAND, pagesize are 8192 or 4096, and it may need specific kernel for each.
    HY means Hynix, and S means Samsung.

    - touchscreen doesn't work (EM71/73)
    there is many variants for EM71 and EM73. check your tablet carefully and use proper file.

    - touchscreen calibration doesn't run on 1st boot
    try run manually
    Code:
    am start -a android.intent.action.MAIN -n org.zeroxlab.util.tscal/.TSCalibration

    - I want to do calibration again
    delete following files if exist, reboot, run calibration app, then reboot again
    Code:
    /data/misc/pointercal
    /data/misc/idc/*

    - I can't push any file under /system/
    Code:
    adb remount

    - install failed on some apps (e.g. Angry Birds)
    remove SD card before install

    - no HQ video on youtube app/web
    yes, certainly

    - no HDMI output
    yes, certainly
    5
    here is clockworkmod recovery for Kyros7015/Gpad701 users who installed GB ROM(lk.rom)
    http://androtab.info/files/tcc8902/cwm/KYROS7015-GB/

    ALL FILES UNDER KYROS7015-GB DIRECTORY ARE JUST FOR TEST. DO NOT USE THEM FOR DAILY USE UNTILL TEST IS DONE.

    I can't test it at all. if it can be booted, please check /proc/mtd at first
    Code:
    dev:    size   erasesize  name
    mtd0: 00a00000 00100000 "boot"
    mtd1: 00500000 00100000 "kpanic"
    mtd2: 0b400000 00100000 "system"
    mtd3: 00400000 00100000 "splash"
    mtd4: 02800000 00100000 "cache"
    mtd5: 10500000 00100000 "userdata"
    mtd6: 00a00000 00100000 "recovery"
    mtd7: 00100000 00100000 "misc"
    mtd8: 00100000 00100000 "tcc"

    then try to make backup.
    3
    http://androtab.info/files/telechips/cm7/20111016/
    I made CWM/CM7 for following tablets
    AOCOS N19 (N19-8K)
    inet S1008 (INETS1008-8K)
    LY-F521 with 800x480 LCD (LY-F521-800X480-8K)

    I don't guarantee at all. please read post#1 and my site carefully before flashing.