-
Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... Hitachi ROM
Board issue 3B
48K model
2
Hitachi ROM
Board issue 2
48K ... br /> NEC ROM
Board issue 2
48K model
... br /> NEC ROM
Board issue 2
48K model
... -
Do you still have the same speccie as when you were young!If so - how old is it now - and is it still working? And does it have rubber keys!?
:cry: My original issue 2 48k (buyed in Florence from ... I've never checked the issue number). Just buyed from ebay ... a grey +2, and now waiting......:smile: -
Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
Ok...first ever post on a forum....here goes....
Serial no. D01-090475 (green writing) Made in UK. Was originally 16k but upgraded in '86 to 48k. Still working too :smile:
Board is issue 2. -
Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
... photos from other users.
Issue 2 I mentioned previously is in ... board, however matches logic for issue 2, crazy...
I change ... images/tc2048_5c.JPG[/url]
Issue 5d:
[url]http:// ... am able to investigate loading issue, however I think my ... -
Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…
... ; updated to support both issue 1 and 2 roms
; updated ... /> sector equ $5cc9 ; 2 byte workspace used by microdrive ... /> d_str1 equ $5cd6 ; 2 byte drive number 1 - ...
cp $19 ; issue 1 $1981
jr ... b
cp $1e ; issue 2 $1e71
jr z,cpytab ... -
The official Pandora handheld threadHas anyone here got a Pandora yet? If so, what do you think of it? Is it as comfortable to hold and use as we're all hoping? What is the screen like …
... over a year..it has 2.0 firmware on it...is ... i heard the odd bad issue. 2 works fine for me -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
What happens if you replace the old type ULA found on an issue 2 boards (5c112) with the later one? Is then TR6 necessary in this case too? -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
...and what about the other issue 2 board with the 5c112 ula, ... -
Problem with Centropods?Just been trying to play Centropods on a real 16k Speccy and come up against a snag. The keys don't work! They're meant to be O and P for left and …
The keyboard routine only works with Issue 2 Speccy.
I'll make a patch for it tonight. -
Problem with Centropods?Just been trying to play Centropods on a real 16k Speccy and come up against a snag. The keys don't work! They're meant to be O and P for left and …
... keyboard routine only works with Issue 2 Speccy.
I'll ... does one know a real issue 2 16k Speccy from an ... -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
... r59, as one of my issue 2 boards, but what is that ... -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
... r59, as one of my issue 2 boards, but what is that ... -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
... to be in any other issue 2 board photo i've seen ... the speaker). I've seen issue 2 boards that have it and ... -
Problem with Centropods?Just been trying to play Centropods on a real 16k Speccy and come up against a snag. The keys don't work! They're meant to be O and P for left and …
... know a real issue 2 16k Speccy from an issue 1?[/QUOTE]< ... circuit board.
My Issue 2 has sockets to allow for ... a mate who had an Issue 1 and his didn' ... Then he later got an Issue 3 and his beeper was ... /> I think there were 2 16k Issue 1's though, one ... -
Happy Birthday Gennady DemidenkoHave a good one.... Here is are a couple of birthday anagrams of your name: Goddamned Nine Key Yanked Ending Demo
... my retro of magazine - last issue - #2
[url]ftp://ftp ... -
Fantasy's Doomsday Castle - Year of Release?Afternoon all, I'm hoping someone (or some people) reading this forum can help to clear something up. I'm trying to find out when exactly Fantasy S…
... mentioned in the Crash review (Issue 2, March 1984) which was also ... reviewed in the same issue. Obviously it would have been ... -
ZXDS 0.9.1 beta 1Hi! After way too much time, new [URL="http://zxds.raxoft.cz/"]ZXDS[/URL] version is available. Doesn't add much stunning features (although the dis…
... /> 1) DLDI patching issue
2) DSi compatibility issue with your current AK2i ... -
ZX Spectrum TV AppearancesThis thread is intended to be a long standing thread in which catalogued are Spectrum related Film TV appearances.
I wasn't going to say, as I'm not sure if it's 2 or 3. It's not a 1 though. My guess would be issue 2. No, wait, definitely an issue 3; it doesn't have that extra wonky bit of heatsink. -
128 port hardware patchReading the ULA book has reminded me of something. In The Spectrum Hardware Manual (Adrian Dickens) there is a hardware patch to allow free use of al…
... actually on the PCB of issue 3 and up, the circuit ... CPU. However, checking Smith: "The issue 2 "spider" modification was still needed ... an integral part of the [issue 3] PCB".
[quote ... -
128 port hardware patchReading the ULA book has reminded me of something. In The Spectrum Hardware Manual (Adrian Dickens) there is a hardware patch to allow free use of al…
... just measured A7 on an issue 2 board I have lying around ... state on A7 as 4.2 volts (in other words, -0 ... gate threshold of around -1.2 volts and will probably just ... -
+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
... +2A/B circuit boards (ISSUE 1 and ISSUE 2 both number Z70833)
ISSUE 1 and ISSUE 2 circuit boards bear (C ... />
3) Both ISSUE 1 and ISSUE 2 of the +2A/B ... Taiwan and contains a 1987 ISSUE 2 board.
+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
... /> even if it's an ISSUE 2 board I'd like photos ...+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
... /> I now have photos of ISSUE 1, 2, and 4 of the ... have an example of the ISSUE 3 too if anyone has ... photos of both the ISSUE 1 and ISSUE 2 board from the +3 ... at the possibility of an ISSUE 3, again I'd like ...+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
... No. U046140
Motherboard Z70833, Issue 1
Last date code ...
Motherboard Z70830, Issue 2
R67=47K, R62=2.2K
Last ...
Motherboard Z70830, Issue 2
R67=47K, R62=2.2K
Last ...+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
... No. U046140
Motherboard Z70833, Issue 1
Last date code ...
Motherboard Z70830, Issue 2
R67=47K, R62=2.2K
Last ...
Motherboard Z70830, Issue 2
R67=47K, R62=2.2K
Last ...Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... />
Circuit board: AMSTRAD Z70830 ISSUE 2 (C) 1987
CPU: Z0840004PSC ...zx spectrum ULAis the ULA in the 16K the same as in the 48K could you take the 16K ULA and place it in a 48K I ask this because i have a speccy thats dogy with th…
[QUOTE=The President;482611]Issue 2s had a less serious flaw which was fixed with a transistor mounted on top of the Z80.[/QUOTE]
And the Issue 1 ;-), but no one noticed until the Issue 2 ULA came out.....Can someone identify thisSorry if it's something extremely obvious but this is the first time I've had my hands on a Spectrum in about 20 years (thanks eBay) and although som…
... br /> Happen to own an issue 2 myself, and IIRC it doesn ... guess it's an early issue 2 with older version ULA ... you see on some older issue Spectrums.
... ULA & Z80). Maybe issue 2 needed that extra circuit too ... t remember if my issue 2 had 16 or 48K ...
