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[<<][24][>>]

ATtiny2313 on VP980 programming failed

Fastah

Hi
I found error in software while programming ATtiny2313.

>>.Erase......
>>Erase OK!
>>.Program......
>>.Verify......
>>Device Address:00000800H　Device Data:3AH　Buffer Address:00000800H　Buffer Data:FFH
>>Program fail!
>> 5,58Sec

Original hex was filled with FF from address 800 to 89F but software write 3A C0 67 C0 73 C0 FC CF FB CF FA CF 7C C0 F8 CF F7 CF F6 CF F5 CF F4 CF F3 CF F2 CF F1 CF F0 CF in the range of address 800 to 81F.
Please correct this.
Thank you

Last post : ATtiny2313 Reply: lxx registered

Please download new software.

All replies (1)

[ Posted:2011-04-27 06:54:52 ]

K9GAG08U0M on VP990

cniky

Hello. Is possible to add Samsung K9GAG08U0M on VP990?
Thank you.

Last post : Re:K9GAG08U0M on VP990	Reply: jin
We have added the K9GAG08U0M on VP-990, please download our newest software.

All replies (3)

[ Posted:2011-03-27 02:45:10 ]

vp-280 part number

johnjoe

Hello
can you tell me what Q17and Q7 inside vp-280
smd"s marked Y1 are.

Software gives error for P24
i find Q17 + Q7 Blown.

Are they "SS8050　Silicon Epitaxial Planar Transistor" or
"BZX84C11 Small Signal Zener Diode"

I"m guessing their Transistor"s　But would like you to confirm the actual part please.

Last post : Re:vp-280 part number Reply: johnjoe registered

Thanks or the reply.

All replies (2)

[ Posted:2011-04-15 05:13:51 ]

vp 280 not connect to pc

biplab72

i have vp280. but it is not working , when i connect to usb G/E　　　light is ON , link is OFF and computer could not find hardware.　What can i do. Please reply me.

Last post : Re:vp 280 not connect to pc	Reply: lxl
Please operate it as follows, 　　 1 Link the JP1, and open the software, the programmer was initialed success. 　　 2 Open the menu "help", and select the "system update" 　　 3 Wait the programmer　"system update success", and then pull up the JP1,closed the software. 　　 4 Open the software again, the programmer was initialed success. 　　 5 Used the programmer normally.

All replies (1)

[ Posted:2011-04-16 14:33:03 ]

VP-280 Device Support

jtamayo

Hey, i have purchased a VP-280 one year ago and im very surprised because there is no updates for this model, i try to program ATMEGA88 microcontroller , no updates at all, just more advanced programmers have updates. when i purchase the programmer they tell me "regular updates via internet.. " but this is not real, atmega88 could be supported by this programmer, there is not technical nor hardware limitation, just the needs that i spend more money in other more expensive programmer!

Last post : Re:VP-280 Device Support	Reply: jtamayo
Sorry, but this is not true. Im electronic engineer, the atmega88 use the same circuit as atmega8　( supported ) only protocol to save fuses is diference, Wellon dont support a lot of chips because They want to sell VP980 , no VP280. thisis the real reason! Jorge

All replies (3)

[ Posted:2011-03-26 22:25:39 ]

VP-280 G/E light remains red.

Cliff

I was having some trouble reading 2764s so I decided to download the latest software and perform a system update. The system said that the update was successfull but now the G/E light remains red and it fails the self test. I have switched everything off and back on again and also tried the update again but it still does not work.

Last post : Re:VP-280 G/E light remains red.	Reply: mvp
Please operate it as follows, 　　 1 Link the JP1, and open the software, the programmer was initialed success. 　　 2 Open the menu "help", and select the "system update" 　　 3 Wait the programmer　"system update success", and then pull up the JP1,closed the software. 　　 4 Open the software again, the programmer was initialed success. 　　 5 Used the programmer normally.

All replies (1)

[ Posted:2011-04-08 05:35:20 ]

I can´t write 93lc86 with VP-290

Jreyes

Hi I have a VP-290 programmer with 93LC86, I can read, but I can´t erase and i can´t write, Can you helme?　Tanks a lot

Last post : Re:	Reply: cm
We have test this chip with VP-290. There is not any problem. What is your software version? Is it the newest? Please download the newest software,and try it again.

All replies (1)

[ Posted:2011-04-10 12:24:45 ]

st7 mcu on vp-890

pippo

Please can add 8bit st7 family mcu ,in particular st72314j4 and st7 lite.Thanks

Last post : Re:st7 mcu on vp-890	Reply: cm
Sorry, we didn"t support this chip.

All replies (1)

[ Posted:2011-04-11 01:05:20 ]

Software update for VP-880

weilei

Hello,
We have VP-880 programmer.
Can you be please clarify us will there be any issue if using　with the software version 4.3.2( 6/4/2011 ). or should we stick to the Ver: 4.2.0(9/12/2009)

Last post : Re:Software update for VP-880	Reply: cm
The software of VP-880 have stopped update. So the final version software is 4.2.0.

All replies (1)

[ Posted:2011-04-11 12:13:26 ]

Winbond W55F10B on VP-980

Fastah

Hi
Did you check programming this chip?
I got one, erase ok, blank test ok but after programming chip still blank.
Please can you check programming algorithm again and if you got one try to program it?
I got only one piece of this chip, maybe was failed.

Please answer

Last post : Re:Winbond W55F10B on VP-980 Reply: lxx registered

We have found this error. Now we are working on it.

All replies (2)

[ Posted:2011-03-08 05:08:26 ]

Need to test MC68HC705B16

plankton

Do any of you products support Freescale pn: MC68HC705B16 in a 52 PLCC? If not can you add support for this device?

Thanks.....

Last post : Re:Need to test MC68HC705B16 Reply: lxx registered

Our programmer donot support MC68HC705B16. We have not its algorithm.

All replies (1)

[ Posted:2011-04-02 06:16:30 ]

VP-490 programming 29lv651ue (Fujitsu)

cream

Hello,

I"m having problem programming chip 29lv651ue. Device id is read correctly, erase function works but programming fails everytime with the same error:
>>.Auto Program......
>>.Erase......
>>.Blank Check......
>>.Program......
>>Device Address:00020000H　Device Data:00C5H　Buffer Data:F022H
>>Auto Program fail!
>> 218.40Sec
----------------------------!

I"ve tried with many chips just to make sure. I"m using latest software and programmer firmware is 8.0.

Last post : Re:VP-490 programming 29lv651ue Reply: jin registered

We have tested it OK. You can try to add ac adapter before connect programmer.

All replies (1)

[ Posted:2011-03-27 22:11:27 ]

WELLON SOFT

Catalinux

Please tell me if the Wellon software will run under Windows 7. I have the VPN-290 programmer. Thank you

Last post : Re:WELLON SOFT	Reply: lxl
wellon soft support windows 7 32bit and 64bit

All replies (1)

[ Posted:2011-03-30 23:10:03 ]

XLS93C46P-3

gobe

Hello friends
please help me need write this type eeprom in 8bit not 16bit !!!

possible with wellon 290 ?

Thanks

Last post : Re:XLS93C46P-3 Reply: gobe registered

OK thanx

All replies (2)

[ Posted:2011-03-28 18:44:00 ]

VP-PIC1 PIC Definition Problems

kbsguru

I have the VP-PIC1 programmer and have noticed that many of the PIC18 family of MCUs have the wrong memory size stated in the chip selection dialog. This is causing those MCUs to take a very long time to program. I.E. the PIC18F26K20 is listed with a size of F00410H bytes! This should be 10000H. There a many like this.　Could you please take a look at this and either suggest a work-around or supply an update with the corrected memory sizes?　Many thanks

Last post : Re:VP-PIC1 PIC Definition Problems	Reply: zq
According to the formal company"s data,we set the memory size.The programmer spends some time to read the signal,and repeat it again and again.when the programmer reads the signal,it writes data .

All replies (3)

[ Posted:2011-03-23 07:07:30 ]

VP-20 question

plankton

AT49BV040B-TU chip　
Device Selected:　AT49BV040B *32TS　
　 (note:　the eprom box is automatically checked on device selection)

Program option is enabled so we load buffer with random data and try to program.
We get the following message:
>>Man.Code:1F　 Dev. Code:13
>>.Auto Program......
>>.Erase......
>>.Program......
>>Device Address:0000002CH　Device Data:FFH　Buffer Data:09H
>>Auto Program fail!
>> 8.66Sec
Is this normal?
Blank, Read, Verify, Erase..works OK.

Last post : Re:VP-20 question Reply: plankton registered

Jin,
Thank you very much for the prompt response.
Selecting the "slow program/read" option worked.
Thanks again for the excellent customer service!

All replies (2)

[ Posted:2011-03-17 00:00:27 ]

Wellon VP-380 problems

florin

Hi. I buy a Wellon VP-380 programmer.I try to program a Micron MT28F400B3WG flash memory.
"Blank check"fail.
The "Read" OK.
When I try to "Erase" the chip i get the following error:
>>.Erase......
>>.Blank Check......
>>Device Address:00000000H　Device Data:0000H
>>Erase fail!
>> 5.46Sec
Please help me.
Florin Cosma

Last post : Re:Wellon VP-380 problems	Reply: lxl
about adapter,please use WL-TSOP48-U2. please verify the chip is OK.

All replies (5)

[ Posted:2011-03-12 16:11:37 ]

maybe a little update?

romanv

Dear supporters of VP890,
my device is SST39VF1601.When reading,I think it doesn"t read the security ID data that is a user programmable. It Security ID data access command is the same as regular CFI read command but the third value in the third command is different. I hope it won"t be big problem for you guys who created this nice tool to add a support for Security ID read and write also in way of checkbox maybe?
warm regards,R

[ The message is modified by romanv ]

Last post : Re:maybe a little update?	Reply: lxl
wellon programmer do not read　SST ID.

All replies (5)

[ Posted:2011-03-03 06:22:05 ]

serila number?

romanv

Dear supporters and members of the forum,
does anybody know if SST39VF1601 CMOS Multi-Purpose Flash has a serial number? I checked the manual and it doesn"t say anything about it.　If it has it, has anyone had any experience in reading and writing it?　Where is it stored? Thank for the reply. Regards,R

[ The message is modified by romanv ]

Last post : Re:serila number?	Reply: lxl
SST39VF1601 has a serial number. wellon programmer only can read and write User ID

All replies (1)

[ Posted:2011-03-14 15:44:07 ]

PCF8594C

ikaRus

Hi,

I am writing PCF8594C, the lower half of the chip is Ok but failing on the second half:

>>Load File OK! Time:22-Feb-11 13:43:10
>>.Program......
>>.Verify......
>>Device Address:00000100H　Device Data:9FH　Buffer Address:00000100H　Buffer Data:01H
>>Program fail!
>> 3.62Sec

This problem was already fixed before (28/02/2010) by your engineers.

I have test v4.3.0 (18/3/2010) works perfectly.
The latest 4.3.2 fails.

Please advise.

[ The message is modified by ikaRus ]

Last post : Re:PCF8594C	Reply: lxl
the soft is updated

All replies (8)

[ Posted:2011-02-22 20:24:09 ]

ST M27C256　OTP

kkzh

I have a VP-280 and tried to read the contents of M27C256B and M27C512 OTP from SGS Thomson. The VP-280 could not identify these OTP"s. I read the contents of these OTP and they are all wrong when I compared the right content in hard copies. I had checked my PLCC adapter pin by pin with multi-meter and it was ok. Is there any clue to solve this problem?

Last post : Re:ST M27C256　OTP	Reply: lxl
if use VP-280/290/380 to program M27C256B of plcc32 package,you need use adapter WL-PL32-P2, if use VP-590/990/GP-10/20 to program M27C256B of plcc32 package,you can use adapter WL-PL32-U1.

All replies (3)

[ Posted:2011-02-12 14:18:07 ]

checksum bug?

romanv

Hello

I don"t know maybe it is only with this device but reading the checksum from the same device each time gives different values. The content of the flashdevice is not being changed why should checksum value be different each time you press the read flash button? Any idea or it is programmer bug?

Regards,R

Last post : Re:checksum bug? Reply: jin registered

You can try to change the VCC. May be can change the VCC to 2.95V, 2.90V, 2.85V......,until about 2.7v.And before read the chip you"d better select the option "Insertion Test".

All replies (3)

[ Posted:2011-02-24 01:30:56 ]

VP-490 microchip 18Fxxxx support

nmmgp

Are you planning to add more Microchip 18Fxxxx support in the VP-490 ? (Like in the VP-590).　 I"ve bought in ebay a VP-490 device thinking that was similar to VP-590 but the device support of the VP-490 is smaller than the VP-590.

[ The message is modified by nmmgp ]

Last post : Re:VP-490 microchip 18Fxxxx support	Reply: lxx
We are not　planning to add more 18Fxxxx support in the VP-490. VP-490 is saled in China. It is designed for Chinese.

All replies (1)

[ Posted:2011-02-25 06:03:31 ]

software bug?

romanv

Thank you in advance for explanation.
Regards,R

Reply the message

[ Posted:2011-02-28 18:17:22 ]

secret zones?

romanv

Hello, First of all I would like to thank you for the great support of the product and your quick answers. I faced this problem recently. I try to read the memory of SST39VF3202 flash device. Everything seems to be ok until I try to copy the hex file onto other flash. It seems like some information is missing. Is it possible that this regions of the memory (like Security ID or something else)can not be accessed by Wellon? In that case how can they be accessed, are there any bits that can be set? How to see what regions those are?　Why does wellon not complain about it saying　something like "memory address from x to y can not be accessed"? Thank you in advance for your advice and help. Warm regards,R
My programmer is wellon vp-890

[ The message is modified by romanv ]

Last post : Re:secret zones?	Reply: romanv
Thanks for the answer jin, I read about it and it seems like the code that I am interested in copying might be stored in Securiti ID region that is why it is not being copied. I will check the user segment address see if there is anything written there.Thanks for the reply again.

All replies (2)

[ Posted:2011-02-20 06:31:00 ]

VP-290

gobe

Hello

possible read & write with VP-290 the 29F200 flash ?
possible read & write with VP-290 the ,ATTiny 2313 ?

Thanks

[ The message is modified by gobe ]

Last post : Re:VP-290	Reply: gobe
ok Thanks

All replies (2)

[ Posted:2011-02-23 05:35:14 ]

M28W320FST

cdxa

Is there a possibility to add support to the M28W320FST flash in VP480?

Last post : Re:M28W320FST	Reply: jin
VP-480 is a stop product, it can"t add any chip.

All replies (1)

[ Posted:2011-02-22 18:02:37 ]

2708 eprom support request

jcsmith23

Hi, would it be possible to add support for 2708 type roms to the VP-890? They are old chips from the 1970"s. I have some I would like to read out. Here are datasheets for a couple of types:

http://www.datasheetarchive.com/pdf-datasheets/Datasheets-14/DSA-276495.html

http://www.datasheetarchive.com/pdf-datasheets/Datasheets-25/DSA-481985.html

Last post : Re:2708 eprom support request Reply: jcsmith23 registered

OK thanks for checking.

All replies (2)

[ Posted:2011-02-12 04:44:34 ]

Symcmos SM8952A Read Error

warkus

Hello,I have a VP-490 programmer and am trying to read a Syncmos SM8952A QFP-44 chip, and each time i read it I get a message that says　　"Read Algo File Error". Can you please tell me what I am doing wrong or what I need to do to fix this? thanking you very much.

Last post :

Re:Symcmos SM8952A Read Error

Reply: warkus registered

Thank you very much, it is all working well now, you are the best!

Thanks a lot.

All replies (4)

[ Posted:2011-02-09 12:50:32 ]

vp-490 problem with cat28f102n-90

adam_pl

I have problem with wellon vp-490 and cat28f102n-90 I use wl-plcc44-u1 adapter

After blank I have error:
>>.Blank Check......
>>Device Address:00000100H　Device Data:80B1H
>>Blank Check fail!
>> 0,34Sec
----------------------------!

when try to proram without blank:
>>.Program......
>>Device Address:00485FH　Device Data:0302H　Buffer Address:0090BEH　Buffer Data:4723H
>>Program fail!
>> 0,91Sec
----------------------------!

please help

Last post : Re:vp-490 problem with cat28f102n-90 Reply: lxl Host

We have tested this chip, it’s OK. You can download our latest software first. And then before you program this chip, you must connect the adapter power first. If you blank check fail, please erase this chip before program it.

All replies (1)

[ Posted:2011-02-08 18:43:29 ]

Use VP-208 to program GAL16VP8B-25LP

Jim

I have VP-280B. It will program GAL16VP8-25LJ if I use adaptor. This is PLCC　package. I need to program GAL16VP8B-25LP. This is 20 pin DIP package. Can you supply driver to allow program of DIP package device?

Last post :

Re:Use VP-208 to program GAL16VP8B-25LP

Reply: Jim registered

Hello,
Reminder, we still need to deal with this problem.
Please advise.

Thank You

Jim

All replies (8)

[ Posted:2010-12-01 08:11:20 ]

vp-890 dead, any hope?

romanv

Hello everyone,

I was updating the firmware of the　vp-890 (soft v 4.3.2) when I got messaage "Program file" and that was all. Now when I try to connect it, usb port doesn"t recognize it. I believe the software wasn"t written correctly and that is why mcu is dead now, hence USB interaface. Can anyone tell how to solve this issue, has anyone faced it?

Any help will be greatly appreciated.
Warm regards,Roman

Last post : Re:vp-890 dead, any hope? Reply: lxl Host

Please return it to the reseller, if you buy it in one year, the there will be no fare, if not, you will have to pay the cost of maintenance

All replies (6)

[ Posted:2011-02-04 03:41:03 ]

vp-290 at28c256, at 29c256 in PLCC32

Can you add please at28c256 and at29c256 in PLCC32 package for adapter WL-PL32-U1 and vp-290 programmer?

Last post : Re:vp-290 at28c256, at 29c256 in PLCC32	Reply: lxl
VP-290 can not supports　it because its hardware.

All replies (1)

[ Posted:2011-02-07 19:47:01 ]

NAND08GW VP980

inkub

Please add NAND08GW on　VP980.

Manufacturer ID: 0x20, Chip ID: 0xd3
http://www.numonyx.com/Documents/Datasheets/NAND04G-B2B_NAND08G-B2A.pdf

BR
Moe

[ The message is modified by inkub ]

Last post : Re:NAND08GW VP980	Reply: lxl
please use new soft(V4.3.2)

All replies (4)

[ Posted:2011-01-28 23:51:10 ]

To erase xicor x28hc256 plcc32

ecmdiesel

To erase xicor x28hc256 plcc32

He does not enable his button of erasing
I have updated

Last post : Re:To erase xicor x28hc256 plcc32 Reply: lxl Host

x28hc256 can update its data without eraser

All replies (2)

[ Posted:2011-01-29 12:08:12 ]

Chip support request

jcsmith23

Hi, can you please add support for the 48 TSOP version of the 29F1610A to the VP-890? The 44 SOP version seems to be supported but I need support for the 48 TSOP version. Here is a datasheet:

http://www.datasheetcatalog.com/datasheets_pdf/2/9/F/1/29F1610.shtml

[ The message is modified by jcsmith23 ]

Last post :

Re:Chip support request

Reply: jcsmith23 registered

OK, I was using the 1/26 software before. I installed the 1/27 version and it seems to be working correctly. It still shows the bad connections but if I ignore the message and read it, it reads and gives the same CRC each read now. The data looks good. Thanks! I will let you know if I run into anymore problems with them. I still have some testing to do but it appears to be working correctly so far. By the way, I think your software zip download might be corrupted but the exe download worked OK.

All replies (12)

[ Posted:2011-01-12 10:00:00 ]

AC/DC adapter 110V or 220V?

Kman

Hi is the AC/DC adapter 110V or 220V?

Last post : Re:AC/DC adapter 110V or 220V?	Reply: lxl
the AC/DC adapter is 110V-- 220V

All replies (1)

[ Posted:2011-01-27 21:49:28 ]

VP-890 & VP-990

jcsmith23

Hello. I have read that these programmers are the same, just the 990 is an export version. Is this correct? And if so, why does the 990"s support list have more devices than the 890?

Last post : Re:VP-890 & VP-990	Reply: jcsmith23
I don"t know, I haven"t ever updated the firmware.

All replies (3)

[ Posted:2011-01-03 01:49:25 ]

HY27UF081G2M　and Wellon VP-490

jonpim

Greetings, have bought programmer Wellon VP-490, it is necessary to program HY27UF081G2M, but write that is not supported. And you in the list have this chip supported by this device.

Last post : Re:HY27UF081G2M　and Wellon VP-490	Reply: lxl
VP-490 is newer production. the device quantity of VP-590 is more than VP-490 VP-490 only sell in China,So we didn"t introduce it in the English website.

All replies (8)

[ Posted:2011-01-14 14:03:19 ]

VP480 & PIC18F4620 I/P (DIP-40)

ikaRus

Hi,

Can you please add PIC18F4620-I/P to VP480 supported devices?

Thank you.

D.

Last post : Re:VP480 & PIC18F4620 I/P (DIP-40) Reply: lxx registered

All Wellon programmer do not support EPM7032LC44.

All replies (5)

[ Posted:2010-08-28 01:26:27 ]

S29GL128P10TF101

AMINGHROUZ register

HI　please i need to know witch adapter to buy for this device- i have　wellon vp-880 pro - and how it cost (the adapter)

Last post : Re:S29GL128P10TF101	Reply: lxl
WL-TSOP56-A641M.US$70(the price don not include the delivery fare and the bank fare)

All replies (1)

[ Posted:2011-01-11 02:54:52 ]

Latest software 4.3.2

jcsmith23

When installing the latest software I get CRC errors and then it just fails, even on the 32 bit version on XP.

Last post : Re:Latest software 4.3.2	Reply: jcsmith23
Hi, I redownloaded the files in Internet Explorer instead of Firefox and they work correctly now. Thanks.

All replies (4)

[ Posted:2011-01-08 09:08:05 ]

DS2436

pawel7505

Hello
Vp-590 user.
Please add to list　DS2436

Reply the message

[ Posted:2011-01-06 05:20:39 ]

vp590

pawel7505

Hello
Vp-990 user.
Please add to list　ds2436　SO8

Reply the message

[ Posted:2011-01-06 05:18:55 ]

T16-75HIP

karrom

I have vp-880 i want program (spi T16-75HIP　8 pin)　...program fail　i select 25b16-75h .25t16　...read ok .program fail ,i want add chip　or Alternative Number..plz..

Reply the message

[ Posted:2011-01-04 06:21:25 ]

Winbond 25Q64BV

frankie

Hello
Vp-990 user.
Please add to list　flash Winbond 25Q64BV

Regards
frankie

Last post : Re:Winbond 25Q64BV Reply: cm registered

We will add it in a few day.

All replies (1)

[ Posted:2010-12-28 20:51:39 ]

AM29BL802CB at own board.

erniez

Hello. I"m VP990 user. As my local supplier of your products have no PSOP56 adapter I must program AM29BL802CB at own board. It"s not a problem because software shows clearly which pin crossing must be done but what is "BYTE * 35". How do I define the correct pin of my IC to put it in pin35 of my 48pin ZIFSocket?

Last post : Re:AM29BL802CB at own board.	Reply: lxl
this pin is NC, don"t need connect any IC pin.

All replies (1)

[ Posted:2010-12-25 23:07:48 ]

Motorola HC05

ssilvviu

I have a VP980.
Could you add support for Motorola MC68HC05... mcu?

Last post : Re:Motorola HC05	Reply: erniez
I"m not the authorised weilei support but I can tell you"ll need a UPAprog mate.

All replies (1)

[ Posted:2010-12-26 00:38:46 ]

M28F102-120K1

I got Vp480
How to properly read and erase/write M28F102-120K1 in plcc44 ?
VP 480 recognize M28F102 but shows info that not support this memory.

I got plcc-dip44 adapter, can read, after few try can erase, but not possible to correct write.

What to do ?

Last post : Re:M28F102-120K1 Reply: cm registered

Please use the adapter WL-PL44-U1,this adapter is one to one.

All replies (4)

[ Posted:2010-11-24 16:20:29 ]

vp-isp1 with eon f80-100hcp(eon25f80)

new user

hy, i have a vp-isp1 an when i try program a eon f80-100hcp(eon25f80)i have a error like this:

>>.Erase......
>>Erase OK!
>>.Blank Check......
>>Blank Check OK!
>>.Program......
>>.Verify......
>>Device Address:00000000H　Device Data:FFH　Buffer Address:00000000H　Buffer Data:02H
>>Program fail!
>> 315.00Sec
----------------------------!

how can i solve this problem?

thanks,

Last post : Re:vp-isp1 with eon f80-100hcp(eon25f80) Reply: cm registered

I have test it. There is not any problem with it.Do you test it in the board or in the adapter?

All replies (1)

[ Posted:2010-12-02 19:01:10 ]

Total 1450,Total 29 pages

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