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30 August 2015, 10:48
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#81 | |
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Registered User
Join Date: Aug 2012
Location: Melbourne, Australia
Posts: 888
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Quote:
Why would you not just spend $50 on the 16bit adapter for your 4x? Its a great affordable programmer that does pretty much everything you can think of. |
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30 August 2015, 10:50
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#82 | |
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Registered User
Join Date: Oct 2009
Location: Italy
Age: 45
Posts: 196
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Quote:
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30 August 2015, 10:55
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#83 | |
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Registered User
Join Date: Aug 2012
Location: Melbourne, Australia
Posts: 888
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Quote:
Huh? |
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30 August 2015, 10:57
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#84 | |
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Registered User
Join Date: Oct 2009
Location: Italy
Age: 45
Posts: 196
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Quote:
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30 August 2015, 10:59
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#85 | |
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Registered User
Join Date: Aug 2012
Location: Melbourne, Australia
Posts: 888
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Quote:
What does the wellon do that the 4x doesn't? |
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30 August 2015, 11:02
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#86 | |
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Registered User
Join Date: Oct 2009
Location: Italy
Age: 45
Posts: 196
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Quote:
And besides burning directly 27C400 and 27C800 without any adapter. http://www.weilei.com/VP-390e.htm |
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30 August 2015, 11:14
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#87 |
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Registered User
Join Date: Aug 2012
Location: Melbourne, Australia
Posts: 888
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The 4x plus adapter is half the price of the wellon!
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30 August 2015, 11:21
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#88 | |
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Registered User
Join Date: Oct 2009
Location: Italy
Age: 45
Posts: 196
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Quote:
16 Bit EPROM Adapter for GQ-4X 26€ plus shipping cost True-USB PRO GQ-4X Willem Programmer 84€ plus shipping cost Although it costs more interested in the fact use it without an adapter and then IC Test TTL (74 series) |
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30 August 2015, 11:22
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#89 | |
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Registered User
Join Date: Aug 2012
Location: Australia
Posts: 651
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How to create Dual boot Kickstart for A600
Quote:
Your both suckers i use my tl866a or tl866cs cheaper than both programmers but it does need an adapter. I posted the pinout on a blog and a guy in the uk beat me to producing the pcb's on Facebook. Lol i bet he got a surprise when i asked him if he used my pinout lol. (That will teach me to be slow) he felt bad enough he posted me a free pcb as i still hadn't got any produced (only did the layout in altium designer) Last edited by Vot; 30 August 2015 at 11:30. |
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30 August 2015, 13:25
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#90 | |
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Registered User
Join Date: Aug 2012
Location: Melbourne, Australia
Posts: 888
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Quote:
I bought my 4x in Canadian dollars last year, anything in euros is insanely expensive for us Aussies! |
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28 March 2016, 12:51
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#91 |
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Posts: n/a
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Hey everyone,
Just a question. Could I use a 27C322 4mb chip? I can just mirror the combined rom file till it is 4mb in size to fill it. Its just I have a stack of these and saves me order from China. Also on how this works. Pin 1 is A18. How is this controlling the rom? Other methods I have seen use pin 12 high and low to change the rom. |
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28 March 2016, 15:21
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#92 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 43
Posts: 9,861
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Pull up the datasheet for the 27C322 and the 27C400.
- is your part a 16 bit part? -> if not, forget about it - does it need to have a pin tied high or low to select 16 bit operation? -> do that - how well do the pinouts match? -> potentially you can just leave any extra pins hanging out of the socket, else you need to solder up a personality module - tie the unneeded address lines to ground |
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29 March 2016, 09:29
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#93 | |
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Digital Corruption
Join Date: Jan 2007
Location: Dorrigo/Australia
Age: 60
Posts: 355
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Hi Mamejay, et al.
Quote:
Cheers, Red |
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31 December 2017, 16:29
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#94 | |
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Retired Quartex Sysop
Join Date: Sep 2001
Location: Roman Verulamium
Age: 58
Posts: 1,873
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Quote:
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23 April 2021, 22:31
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#95 |
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Registered User
Join Date: Dec 2019
Location: California / USA
Posts: 25
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Video tutorial on my youtube channel
I have done a detailed video of this procedure on my youtube channel. It is demonstrated on an A500 r6, but will be very similar on others. It includes hints to some of the troubles associated with the burning procedure. Hope this helps:
[ Show youtube player ] |
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24 April 2021, 00:15
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#96 | |
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Retired Quartex Sysop
Join Date: Sep 2001
Location: Roman Verulamium
Age: 58
Posts: 1,873
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Quote:
 Great video, I subscribed. Hope the standard stays that high for future vids.
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24 April 2021, 04:57
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#97 |
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Registered User
Join Date: Dec 2019
Location: California / USA
Posts: 25
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Thank you
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