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Replacement loudspeaker for rubber key 48kI'm fixing one of my rubber key 48k. Just ordered a membrane for it but I also need to find a replacement loudspeaker for it. The original some how q…
... also need to find a replacement loudspeaker for it.
The ... -
ULA Book - Target Audience?This is probably of most intrerest to hardware chaps, but a greater community input would be good. I've been turning all my ULA analysis into a love…
... as creating a complete ULA replacement, so effort is split between ... that make up the Specturm (RAM, ROM, Z80 etc). This might ... -
ULA Replacement WORKS !Hi chaps. Lots of activity over the last couple of weeks, and _finally_ we have [B]a working ULA replacement[/B] !! The analogue components such …
... have [B]a working ULA replacement[/B] !!
The analogue ... -
RAM Turbo Interface + DivideHi! I have ordered a Divide (the one without the passthrough) and I obviously want to play using a joystick on my Speccy+. :D Does anyone know (or c…
... (or can try) if the RAM Turbo Interface, which has full ... -
Keyboard replacement for ZX-81Where can I obtain a keyboard replacement for the ZX-81. Can't find any on eBay. I wonder if there is a better keyboard available to replace the ZX-8…
Where can I obtain a keyboard replacement for the ZX-81. Can't find any on eBay. I wonder if there is a better keyboard available to replace the ZX-81's?
Paul -
Your laptop recommendationsAfternoon. After a good new Win XP Pro laptop capable of doing pretty much everything including playing games. I tend not to play anything 3D but do …
... it'll be a straight replacement for my current system. Must ... entry level, AMD 1600+, 1GB RAM so not too demanding, but ... one is, pref with 2GB RAM.
Will be for home ... -
RAM paging and port usageDear users and developers, I'm just trying to find some detail information about RAM paging on the Spectrum 128 and later models, especially those a…
... some detail information about RAM paging on the Spectrum ... we have 4 different RAM pagings depending on the ... TC2068, TS2068
No RAM paging, but always fixed 48k ... the first 8 RAM pages (RAM 0..RAM 7) is paged ... the second 8 RAM pages (RAM 8..RAM 15) is paged ... -
Copy interface ROM content to RamHi all, I have a very rare logitec centronics and disc interface. To save its ROM content I would like to copy it Ram and store it somewhere. How ca…
... would like to copy it Ram and store it somewhere. How ... routine to copy from Ram area to Ram area could be sure ... -
Silent low power serverLooks like my server has troubles with overheating again, both due to the failing case fans and stupid CPU frequency governor problems. Instead of fi…
... with OpenWRT installed as a replacement, but that machine, albeit great ... hundred MHz, about 128+ MB RAM, 40+ GB HDD, 2 ethernet ... -
Help using M3 ramFrom the Multiface 3 manual. [quote]6.0 The Use of Extra 8K RAM --------------------------- The MULTIFACE's 8K RAM extension can be accessed and us…
... The Use of Extra 8K RAM
---------------------------
The ... MULTIFACE's 8K RAM extension can be accessed and ... on how to access the RAM extension.[/quote]
... been using the Multiface 128 ram for my own programs, now ... -
Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2. H…
... sockets and installed all new RAM. Same problem!
So ... that are part of the RAM upgrade, they all check out ... thats the whole of the RAM upgrade chippery tested!
SRAM replacement for lower 16KSome time ago I wondered if it were possible to replace the lower 16K RAM of a 16K/48K Spectrum with a single SRAM chip. You know, those pesky 4116 D…
... to replace the lower 16K RAM of a 16K/48K Spectrum ...ram unity for 16k allows also to plug a joystick?hello I?d like to know if a RAM interface for a 16k spectrum allows also to plug, together, a joystick? Thanks
hello
I?d like to know if a RAM interface for a 16k spectrum allows also to plug, together, a joystick?
ThanksHip ReplacementI've been offered a ceramic on ceramic hip replacement and told to "go away and google it and get a list a questions". For a chap in his 30's it seem…
I've been offered a ceramic on ceramic hip replacement and told to "go away and google it and get a list a questions". For a chap in his 30's it seems to be the best way to go. Has anyone got any suitable questions / advice that I can ask the consultant?What spec/age is your computer(s)?Not started a thread for a while so here goes. I have a Desktop Replacement Rock Direct Quaddra Ti 3.4Ghz machine which was 4 years old in January. …
... goes. I have a Desktop Replacement Rock Direct Quaddra Ti 3 ... January. The 1Gb of DDR RAM is really causing me a ... Ti 3.4Ghz
1Gb RAM
60GB Hard Disk
1Gb RAM
80Gb Hard Disk
RAM Turbo on +2AHello Spectrum-fans, does anybody know if the RAM TURBO Joystick interface (this with cartridge slot like the INTERFACE2) can be used with a +2A? I …
Hello Spectrum-fans,
does anybody know if the RAM TURBO Joystick interface (this with cartridge slot like the INTERFACE2) can be used with a +2A? I don?t want destroy a machine to test it.
Regards
ThomasMultiface One - brokenFor a long time I have had a Multiface One, that since I got it never worked. When I attach it to the computer (edge connector completely cleaned), i…
... -bit High Speed CMOS Static RAM". Looking at the 4116's ... , is there any (pin-compatible) replacement for this chip? Or can ...Iphones - replacement back cases / shellsG'day y'all! Figured I'd help with a little 'warning' to a small community.....of which an even smaller portion of which will want to dismantle thei…
...
I purchased a replacement blue rear case / cover for ... for
...Buy a replacement shell that has ALL the ... SIM card sits in the replacement holder almost flush
Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …
... joints for the bottom-left RAM chips seem to be very ... physically on the board which RAM chip the display attributes is ... on. This all points towards RAM for me - I don't ...RAM PagingCan anyone shed some light as to how RAM paging actually works, at a hardware level (so not POKE xxxxx stuff). I know about CE and OE lines on DRAMs …
... some light as to how RAM paging actually works, at a ...New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…
... unrainer and bug-fixer
Replacement of original chip HAL10H8[/I ... /> [I]- rom emulation with extended ram
- DIVIDE memory emulation
How much ram has my ZX Spectrum?How can I see how much ram my ZX Spectrum has? C64 has this info in the title screen, the Spectrum not. Thanks! Micky
How can I see how much ram my ZX Spectrum has? C64 has this info in the title screen, the Spectrum not.
Thanks!
MickyTest single ram chips?Is it possible to test single ram chips? Micky
Is it possible to test single ram chips?
Micky4116 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…
I need some ram chips to fix my 48k + ... advised to replace the lower ram chips. I can't test ...Making BASIC occupy less RAM?I risk being told to search the forums and the entire archive of type-ins, but here it goes... Is there any known utility to do all the hard work of…
... a BASIC listing in high RAM, and then a routine in ... "uncompressed" listing would fit the RAM just fine. How would I ...Ram joystick interface and Competition ProMy Ram joystick interface does not work probably with a Competiton Pro joystick with autofire (on a ZX 48K). Is this normal? My Competition Pro wit…
My Ram joystick interface does not work probably with a Competiton Pro joystick with autofire (on a ZX 48K). Is this normal?
My Competition Pro without autofire works very well.
MickyLooking 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…
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 compatible RAM).
Thanks,
ThomasReplacement for the ear and mic jack?Which replacement for the ear and mic jack from the ZX 48K fits? Or gives it the same jacks in new? Micky
Which replacement for the ear and mic jack from the ZX 48K fits? Or gives it the same jacks in new?
Mickyzx81 internal ram upgrade?just curious if others have? I mean can you just rip the memory out of the ram-pack and use that.. as I'd rather just have the unit upgraded interna…
... the memory out of the ram-pack and use that.. as ...LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…
... the detailed timings of contended RAM. It gives timings for Z80 ... in, or reading/writing, contended RAM.
I can decipher ... 48K, or double buffered -- paging RAM bank 7 into a 128K ...
