MCUmall EPROM BIOS Chip Burner Forum
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 burning 87c257 help please

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kelvin Posted - 01/15/2011 : 07:53:32
hi all new here i am trying to burn 87c257 chips but keep getting this error

error at 0x000000 chip = 0xff buffer =0x02

my programmer is a usb one which is this one


Image Insert:

86.61 KB
any help would be greatfull accepted
2   L A T E S T    R E P L I E S    (Newest First)
kelvin Posted - 01/17/2011 : 13:43:06
i am getting 12.44v from vpp
ZLM Posted - 01/16/2011 : 20:24:15
Check the VPP if it has 12V.

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