I have some Am29F010 flash memory with hardware sector protected. There is not any problem.If it can"t run in your computer, please email and tell your problem in details. Our software can run in the windows7 64bit or 32bit. Hello good day I"m still having a problem installing the software in the VP-990 windows7, I tried to install on other notebooks and also had no success it seems that the problem of software and compatibility with windows7, since in windows xp it works perfectly, I"m waiting for help in what you"ve done but not recommended solution. The device quantity of VP-990 is more than VP-890. Hello.The programmer VP-890 only sell in China. Hello, The Wellon Vp890 same Vp990 ? Or the device quantity of VP-990 is more than VP-890 ? Tks Please select the chip 93C46CX, and try it. I think your chip is not standard chip, the chip pin is whirling. >Device Address:000000H Device Data:0047H Buffer Address:000000H Buffer Data:3FFFHĪll the chips 93S46, when i try to read, insertion test says the pins are not connected properly, all the other chips like 24C04 and 93C56 are OK, only this model 93S46 always the same, it says the contacts are not connected properly I have found another chip that does not work with this programmer. Last post :īad news. the program times out after 50 to 80 seconds and reports "Needs AC Adapter" and gived a "communications error". I can read the chips OK, but cannot erase. The erase process takes 250 seconds or so, but the blank verify always fails. Reading the chip then shows the same original data. What"s wrong? I"m using VP-590 with sortware version 4.3.2 for Windows 7 32bit. And if it still failed, you can choose "Slow Program/Read" to try. First I had error at erasing but after I updated software today, ERASE/READ is OK but programming failed. I have a problem programming intel flash chip DT28F320S3110. Removed everything called Wellon i registry. Also VP-280 not in the list of devices if I start program without vp-280 connected and press ignore. Error message says it"s unable to use database from older version. After uninstall of old version and install of newest version I can not ID eproms. I desided to update to the latest version by downloading it from the website. Hi.I had the program version form late 2011.
The maintenance costs is 10 to 70 US dollars,according to the bad device model and the carriage is about 66 to 90 us dollars by FED from China to saudi arabia. i only used my vp-280 for 2 days, thank you. but when i click "self-test" it says "system test OK!" i checked the VCC, VPP, its all good.
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