[EMS Discuss] EPROM programmer?

Mr. Clif EMAIL HIDDEN
Thu Feb 21 11:54:57 PST 2013


This is old school, it uses a DB25 serial port. ;-)

     Clif

Rick Osgood wrote:
> Thanks for the info Clif.  How does that programmer interface to a PC?
>   Does it use a DB-9 serial port?
>
>
> On Thu, Feb 21, 2013 at 11:49 AM, Mr. Clif<EMAIL HIDDEN>  wrote:
>
>> Hi Rick and gang,
>>
>> I just found my old dusty Eprom programmer, and googled for the write up
>> on it:
>> http://books.google.com/books?**id=fBuiNpYlyHcC&pg=PA147&lpg=**
>> PA147&dq=lCircuit+Cellar+<http://books.google.com/books?id=fBuiNpYlyHcC&pg=PA147&lpg=PA147&dq=lCircuit+Cellar+>
>> "**intelligent+serial++EPROM+**programmer"+CCSP&source=bl&**
>> ots=9wCCtOi_1L&sig=**z08XujfyDWzesdJi5_jMH8d3eJY&**hl=en&sa=X&ei=**
>> ZHkmUcnNBYTeigLViYHQDQ&ved=**0CEAQ6AEwAA#v=onepage&q=**lCircuit Cellar
>> "intelligent serial EPROM programmer" CCSP&f=false
>> or...
>> http://archive.org/stream/**byte-magazine-1986-10/1986_10_**
>> BYTE_11-10_Public_Domain_**Powerhouses_djvu.txt<http://archive.org/stream/byte-magazine-1986-10/1986_10_BYTE_11-10_Public_Domain_Powerhouses_djvu.txt>
>>
>>   "It also functions as a
>> stand-alone programmer for copying
>> or verifying EPROMs. (See photo 1.)
>> The following is a list of CCSP fea-
>> tures:
>>
>> • RS-2 3 2-compatible (no handshak-
>> ing necessary)
>>
>> • internal V pp power generation
>>
>> • menu-selectable EPROM types (no
>> programming configuration jumpers)
>>
>> • default power-up selectable data
>> rates
>>
>> • automatic power-down of EPROM
>> for installation/removal
>>
>> • stand-alone or computer system/ter-
>> minal-connected operation
>>
>> • menu-driven operation
>>
>> • single-byte or full-buffer write
>> modes
>>
>> • 32K-byte on-board memory buffer
>>
>> • read, copy, or verify EPROM
>>
>> • Intel hexadecimal file upload/down-
>> load
>>
>> • verify after write
>>
>> • verify EPROM erasure
>>
>> • screen dump by page or byte
>>
>> • BASIC driver that can be modified
>> by the user
>>
>> • program EPROMs in standard 50-
>>
>>
>>
>> millisecond and 1-ms fast algorithm
>> modes
>>
>> • support V pp settings of 2 5, 21, and
>> 12.5 volts
>>
>> • program all 27xxx 5-V single-supply
>> EPROMs, including 2716, 2732, 2732A,
>> 2764, 2764A, 27C64, 27128. 27128A,
>> 27CI28, 27256, 27512, and any func-
>> tional equivalents..."
>>
>>
>> I have actually used this programmer to program older multiple supply
>> EPROMS with some additional clip leads. It needs a power supply, and though
>> I havn't found the manual yet I recall it has a simple menu system.
>>
>> I also have a very nice EPROM eraser with a built in timer.
>>
>> Ciao
>> Clif
>>
>>
>> Rick Osgood wrote:
>>
>>> Thanks for the tip Julie.  That makes erasing the chips easy then.  I'll
>>> definitely try to get in touch with Chris if there isn't anything
>>> available
>>> through this group.
>>>
>>> Thanks again,
>>> Rick
>>>
>>>
>>> On Thu, Feb 21, 2013 at 11:10 AM, Julie Baumler<EMAIL HIDDEN>   wrote:
>>>
>>>   Rick -
>>>> Last time (~1996) I had to flash custom EPROM's, we just erased them
>>>> in the sunlight.  Even in the rainy Portland winter, IIRC it only took
>>>> a short visit outside with the cover stickers removed to erase them.
>>>>
>>>> Do you know @m0rb / Chris Engel? He hangs out on the #euglug channel
>>>> and is one of the owners of Blairalley Arcade.  He's who I'd ask for a
>>>> programmer and/or advice on this.
>>>>
>>>> Julie
>>>>
>>>> On Thu, Feb 21, 2013 at 10:50 AM, Rick Osgood<EMAIL HIDDEN>
>>>> wrote:
>>>>
>>>>> I've been researching the possibility of flashing custom code to an
>>>>>
>>>> EPROM to
>>>>
>>>>> use in an old NES cart to see if I can get it to run in an old NES.
>>>>>   I've
>>>>> never worked with EPROMs before so it's all new to me.  Based on my
>>>>>
>>>> research
>>>>
>>>>> though, it sounds like for what I'm trying to do, I'll need to use an
>>>>>
>>>> EPROM
>>>>
>>>>> in the 27C256 family.  Does anyone have an EPROM programmer that would
>>>>>
>>>> work
>>>>
>>>>> for this that I can borrow to play with this?  I'm primarily looking for
>>>>>
>>>> a
>>>>
>>>>> USB programmer because I don't think I even have a computer with a
>>>>>
>>>> parallel
>>>>
>>>>> port any more.  But I might be able to scrounge something up if
>>>>>
>>>> necessary.
>>>>
>>>>> I don't need it right away, I'm still in the research phase.  I'm trying
>>>>>
>>>> to
>>>>
>>>>> figure out if I'll have one freely available to me or if I'm going to
>>>>>
>>>> have
>>>>
>>>>> to buy one.  I'm not sure I want to spend money on this right now.
>>>>>
>>>>> Also, a UV eraser would be useful as well if you have one of those I
>>>>>
>>>> could
>>>>
>>>>> borrow with it.
>>>>>
>>>>> Thanks,
>>>>> Rick
>>>>>
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>>



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