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Issue 6 repair with a twist...(Starting with a slight grump - the forum ate my first attempt at this so this'll probably end up being a bit terse :)) I got a Issue 6 48K machine …
... was replaced with a fresh 4164, however the coloured blocks remained ... -
Grey +2 SRAM module - any interest ?In the same vein as Zorn's RAM replacement modules, I designed a board that replaces a bank of 8x4164 RAM IC's as used in the Grey +2 with a modern S…
... in the loft which had 4164 RAM chips in it :)
I realise that 4164's are still fairly easy ... -
Faulty DRAM chips wanted!If you have any suspect or known faulty DRAM chips, I'm after some so I can conduct some testing. I only want chips that are DIL type, either 16 p…
... , MCM6665AP, MK4564N, MSM3764, TMS4164, uPD4164C, 4164 etc,
[*]256k x 1 ... -
Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…
... IC17 with a socket and 4164.
[img]http://www ... -
How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement. Know what I found? My old ZX Spectrum.... Those were the days! Never …
PRINT PEEK 23733
255 => 48K
12816K
x16K with knackered 4116 ram chips(and your lucky it didn't crash at power on) -
new release of winTZXHi all I released winTZX 0.4drc1 (04/02/2005) + Added CSW file support + Added block selection (replay and save) + Added reverse output + Added direc…
... going to
take the 4164 Chip of the old CBM64 ... -
HELP 4532 or 4864 RAM wanted !Hello My real spectrum fell off yesterday I know that one RAM memory chip is out of order There was 8 X HM4864P-2 but I saw in the Spectrum schemati…
Futurlec is selling 4116 and 4164 rams ([url]http://www.futurlec.com/ICRAM.shtml[/url]). Do not know if they are compatible... I ordered some time ago few Z80a CPUs from them. Fast shipping and they worked fine with my 48k and +2a.
Timppa -
Replacing +2/+3 rom with eeprom?Hi I want to change my +2a to +3e (or +2e). Garry mentions that 27C256 eprom can be used. I would like to use 28C256 instead. Pins are not all the s…
... what happens. Shop had also 4164 rams, that may fix my ... -
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... off putting a brand new 4164 in instead as these you ... -
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... off putting a brand new 4164 in instead as these you ... you saying: if I put 4164 instead of OKI (-H/-L ... exactly whic chip to use (4164 is enough to get it ... -
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... you saying: if I put 4164 instead of OKI (-H/-L ... exactly whic chip to use (4164 is enough to get it ... put in a shiny new 4164, and Robert's your mother ... doesn't matter on the 4164 which half you use. -
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... you saying: if I put 4164 instead of OKI (-H/-L ... exactly whic chip to use (4164 is enough to get it ... put in a shiny new 4164, and Robert's your mother ... doesn't matter on the 4164 which half you use.
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... you saying: if I put 4164 instead of OKI (-H/-L ... exactly whic chip to use (4164 is enough to get it ... put in a shiny new 4164, and Robert's your mother ... doesn't matter on the 4164 which half you use.
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... :( And no local shops have 4164's here. Blimey. Need to ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... pretty sure your bog-standard 4164 like that is all you ... ?) but as long as your 4164 is in the right DIP ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... pretty sure your bog-standard 4164 like that is all you ... ?) but as long as your 4164 is in the right DIP ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... -12NL : 4614 or should be 4164 (TMS4164-12NL)???
Thanks ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... -12NL : 4614 or should be 4164 (TMS4164-12NL)???
[/quote]
Yes, it should be 4164!Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... sure, BUT - does OKI and 4164 memeory mix? All the ones ... I have here with 4164 memory on board are set ... mixed with 4164 chips. It's either pure 4164 or 4164/TI chips ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
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BTW, the Okis and 4164 should mesh perfectly as the ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... is nototiously bad.
4164 RAM - well, depends on the ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... cannot simply mix OKI and 4164 RAM then?
I ... , can you simply replace with 4164? Somehow I don't think ... who have tried to fit 4164 in place of OKI RAM ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... bad!
Any 4164 200ns will work (even though ...HELP 4532 or 4864 RAM wanted !Hello My real spectrum fell off yesterday I know that one RAM memory chip is out of order There was 8 X HM4864P-2 but I saw in the Spectrum schemati…
... old - they would have been 4164 chips. Do you still need ...When is a clone not a clone?If a Spectrum is built from scratch, using new components where available, is it a clone, copy or something else? See, I won an unpopulated Spectrum…
... post that the RAM is 4164/4116. Brand new - I suppose ... Speccy does not use the 4164 chip "as is".
Note to SpiranthoIan Whilst playing about with Frankenspec, I have discovered that the 41256 memory IC works as well as a 4164 (etc) in the upper RAM block of a 48K …
... works as well as a 4164 (etc) in the upper RAM ...Bah, Spectrum+ has diedBah. My Spectrum+ appears to have died. On power up, the 'paper' part of the screen goes black (and you see the faint red lines that you normally se…
... chips one by one using 4164 RAM IC's. That should ...RAM Test ROM?Found a link to this: [url]http://www.retroreview.com/iang/TestSpec4.zip[/url] in another thread, and fired it up in SPIN, but I have no clue how to…
... have plenty of 4116 and 4164 chips "in stock" so replacements ...Spectrum won't load data when warmI've got an interesting observation. I put iPodLinux onto my iPod and got TZX files playing back as the proper audio waveform. I also removed the vol…
... , because I've ordered some 4164 chips and the other ICs ...
