<http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=120680794153&ssPageName=STRK:MEWAX:IT>
can i trust tht this programmer would work for eproms for nes reproduction, not for profit just a hobby
any opinion would be good ! thx
i have a windows 7 laptop
It should work. BTW if you want to erase your ROMs, you might want to go with SST39SF040 or similar instead of EPROM.
couldnt i just purchase a UV eraser?
Flash is easier and faster than a UV lightbox.
what about price wise? i am looking for the cheaper of the two.... and i think that would be eprom?
Both about the same. Flash ones like 27C010 and stuff get cheaper in flash though, but the price isn't soo much different it really matters.
isnt 27C010 an EPROM? not flash? and how do u erase flash?
qtoyoda wrote:
and how do u erase flash?
With a few clicks in the programmer software and a few seconds of waiting. Much better then dealing with UV lights, which can be dangerous and need minutes to erase a chip.
I do think Flash is a bit more expensive than EPROM, but it's not like you need tons of chips... Each chip can be erased and reprogrammed several thousand times. I'd use EPROMs only for permanent carts.
i was thinking of mostly doing permanent chips... so then it would make more sense to use eproms. i will look into flasht though, what type of flash is used for nes? ino it is 27C for eprom
Flash is better then EPROM for "permenent" data as the EPROMS are made to be erased. Flash is made to be reprogrammed.
With new carts and thick electrical tape over the chips, there still will be UV rays getting in the EPROMS and erasing them.
Plus flash chips just put in the cart look better then opening it to some used EPROMS with electrical tape over them.
I have a bunch of AT29C040 that work great. I think 29F040 is good too.
BTW, if you want to program EPROMs, you have to check if the programmer has input for an AC adapter, because the 5V supplied by USB are not enough for programming EPROMs.
The Game Boy Color and Game Boy Advance in GBC mode make 5.0 V out of two 1.5 V alkaline cells, and they make even higher voltages for driving the LCD. Why don't EPROM programmers just have a
charge pump,
booster, or something similar for making Vpp? Is it that the memories need more current than USB can provide?
why do the programmers not work with just the 5V provided by the USB port? and what AC would i need?
It takes more than 5.0 V to erase the memory cells. Modern flash chips have an onboard charge pump to make this voltage, but older parts needed a higher voltage on a separate pin. Look at the manual for the programmer to see what voltage it takes.
Most programmers do have a DC-DC converter (or multiple), even Willem programmers.
tokumaru wrote:
BTW, if you want to program EPROMs, you have to check if the programmer has input for an AC adapter, because the 5V supplied by USB are not enough for programming EPROMs.
Completely inaccurate, I've never had a problem programming any EPROMs with any programmer that uses the USB for power. I tend to use an AC adapter regardless, but you can certainly do it without.
maybe it depends on the size? 27C256 compared to 27C040?
No they require the same programming voltage. There are some simple programmers that lack step up circuitry, so they cannot program eproms using a 5v power supply.
so it all depends on the programmer?
If the chips you want to program are specifically listed in the programmers supported devices list I don't think you have to worry too much about it.
alright thanks for the help
would u happen to be making an earthbound? just curious
alright i noticed that for the cd it doesnt say it is compatible with windows 7, but other postings of the same programmer on ebay say that it is? do you think that it is just because when it was released windows 7 wasnt out? is there a big difference between windows vista and windows 7 for the programmer hardware?
no im not making an earthbound im too much of a noob
earthbound is my favourite game, but it would be really cool if someone made earthbound for the nes (not earthbound zero)
try going to the manufacturers web page and seeing if they have win7 downloads for that specific programmer.
so can I ask what ya are up to in particular?
imn actually really new to the world of nes programming and all programming in general, i have an introduction post with lots of details if you wanna read that
well
http://www.topwin6.com/Top853Det.html
It dose not list win7 in particular, so it may or may not work idk.
btw if you interest is just owning a specific repro cart there are people who will do it for less than the cost of the programmer
thanks for finding that site, why would it not work on windows 7 compared to XP?
well a guy at the end of
this thread could not seem a similar programmer from the same company working on 7 so idk
he said he still had some problems with it and ended up getting a wellon, but others said they got it to work with the vista, also the website that was posted for the update of the software is dead. but i think that with enough finiking (sorry about the spelling i have no idea hot to spell it...) i should be able to get it work as i could find a software update somewhere
mrmark0673 wrote:
Completely inaccurate, I've never had a problem programming any EPROMs with any programmer that uses the USB for power.
Sorry, I was just pointing out something I heard, as I have never used EPROMs myself (only Flash).