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issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…
... 3b) runs since 1984 with 4164 and without changing the R ... -
issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…
Welcomes...and some technical stuffHello I`d like to welcome all ZX Fans. I`m rather ATARI 8bit geek - I got this grat machine when I was 14...20 yeras ago... There were few ZX in …
... RAM bank so it uses 4164 chips instead of 4116. You ... the available memory on the 4164, but this device uses only ... or DVD's). Besides, the 4164 is far more reliable than ...Welcomes...and some technical stuffHello I`d like to welcome all ZX Fans. I`m rather ATARI 8bit geek - I got this grat machine when I was 14...20 yeras ago... There were few ZX in …
... been changed to similar ones - 4164 instead 2 * 464 I thoght ...dead issue 6a boardI've just been back to the uk and found my old 48K + there - and bought it back with me to singapore - it's giving white border and red bars. From wh…
... quite well!) got a few 4164's socketed the board cut ...Snow on screen of 48K Speccyok you wizards I fixed up my 4116 ram issue as Winston and McLeod advised me before by replacing with 4164's.... all I could find here in Singapore (…
... speccy is AFAIK unloaded as 4164 ram ONLY uses a +5 ...fix or mod?if you have a none working machine.. and you can't get the parts.. would you wait in the hope of getting parts ?
... days. So many 4116 and 4164 memories are made that there ...memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …
... /> The service-manual states that 150nS chips are the right ones ...memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …
... ,4116-3,4116-4 ( 120ns, 150ns,200ns, 250ns)
Bye ...4116 ram chipsI need some ram chips to fix my 48k + issue3b, I have done the composite video mod and it works, now i just wanna play games on it but its stuck on r…
... no issues. I assume that 150ns parts were fitted to the ...memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …
... /416-3/MN5290-2 4116 150ns
You put ... UPD416-3 chips is a 150ns :-O
bye
memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …
... be that the only reason 150ns parts are fitted as standard ...16 K Sinclair Spectrums Still Available?Hi. I wanted to know if the 16 K Sinclair Spectrums are still available to buy. I have looked around on the net without any success. Maybe someone kn…
Looking for some 48k RAM (upper 32k bank)Greetings, I was wondering where I could find some upper RAM for a 48k (issue 4A). It's the Texas Instruments TMS4532-20NL4 P8419 (or any compatib…
Go for 4164 DRAM chips. They will do the job. 32Kbit chips used in Spectrums are actually 4164 chips with one bank disabled.Looking for some 48k RAM (upper 32k bank)Greetings, I was wondering where I could find some upper RAM for a 48k (issue 4A). It's the Texas Instruments TMS4532-20NL4 P8419 (or any compatib…
... where I could buy the 4164 DRAM chips?
Also ... are multiple speeds for the 4164 chips (100ns, 200ns, 300ns..) Wondering ...Looking for some 48k RAM (upper 32k bank)Greetings, I was wondering where I could find some upper RAM for a 48k (issue 4A). It's the Texas Instruments TMS4532-20NL4 P8419 (or any compatib…
Where is the other side from the ZX 48 PCB?Has anyone the other side from the PCB? [url]ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrumIssue3-PCB_Bottom.gif[/url] Micky
... it, for example to use 4164 memories instead of 4116 for ...component out?I would like to connect ZX48K to plasma TV with component cable. I read somewhere that signals are on the expansion edge connector. Do I need somethi…
... 4516 or, better, 2 x 4164) and using "something" for Video ...component out?I would like to connect ZX48K to plasma TV with component cable. I read somewhere that signals are on the expansion edge connector. Do I need somethi…
... 4516 or, better, 2 x 4164) and using "something" for Video ... rams can you change with 4164 rams. But you must make ...component out?I would like to connect ZX48K to plasma TV with component cable. I read somewhere that signals are on the expansion edge connector. Do I need somethi…
... replacing 4116 with 4516 or 4164, I was taken into consideration ... .co.uk/techwilliams4164.html"]Using 4164 DRAM with Williams Video Game ... Colecovision to use 4516 or 4164 DRAM[/URL]
Any ...Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
... 4116 with 4516 or, better, 4164.
Eventually, you'll ...Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
... 4116 with 4516 or, better, 4164.[/QUOTE]I have changed the ... 4116 to 4164 rams. They only need +5 ...Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
... have changed the 4116 to 4164 rams. They only need +5 ... well, you used only two 4164 RAMs. They can be installed ...Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
... well, you used only two 4164 RAMs. They can be installed ... ?[/QUOTE]No, I use 8 4164 rams for the lower ram ...4164 memoryHi all, I'm looking for 4164 memory, probably 4 chips. If you have some you willing to part with for some cash, let me know how much you want for it…
I saw some on ebay the other day, they are the 128 chips ?
[url]http://www.donberg.co.uk/descript/4/4164-100.htm[/url]4164 memoryHi all, I'm looking for 4164 memory, probably 4 chips. If you have some you willing to part with for some cash, let me know how much you want for it…
... />
I'm looking for 4164 memory, probably 4 chips. If ... no problem new old stock 4164-15nl. If your interested get ...Broken ram or what?Hi! I own ZX Spectrum 48K. When i run command PRINT PEEK 23732 + 256 * PEEK 23733, I should get answer 65535? But i get 49151. In my machine the upp…
... are addressing (the like of) 4164 memory are not a set ... that are not TI). For 4164 is the position of the ...48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... was the wrong setting for 4164 DRAMs I set it back ...The Sadness of my Decaying Speccies.I've been avidly collecting ZX Spectrums since the late 90's and whilst at the time of the late 90's and early millennium my Spectrums and associated…
... find 4116 chips, I use 4164 memories. It's not common ... one or two chips damaged. 4164 chips, on the other hand ...
