Pokemon has in the past made modern RAM packs, but I don't think there are any currently available.
There have also been DIY designs.
Mark
Search found 5120 matches
- Sun Apr 28, 2024 11:29 pm
- Forum: Hardware
- Topic: RAM Packs Alternatives?
- Replies: 4
- Views: 50
- Sun Apr 28, 2024 6:40 pm
- Forum: Hardware
- Topic: RAM Packs Alternatives?
- Replies: 4
- Views: 50
Re: RAM Packs Alternatives?
As well as the offical Sinclair 16K byte RAM pack, there was the 2K/3K/4K ZX80 RAM pack (memory size depending on how many SRAM chips were fitted in it) that would work with the ZX81. Plus many third party manufacturers that produced various RAM packs. One of the best known for more stable RAM packs...
- Tue Apr 16, 2024 8:56 pm
- Forum: Welcome Area
- Topic: I come to pick brains!
- Replies: 4
- Views: 866
Re: I come to pick brains!
Hello and welcome to our forum Juz571!
I hope you enjoy this forum
You are welcome to ask questions!
Mark
I hope you enjoy this forum
You are welcome to ask questions!
Mark
- Tue Apr 16, 2024 2:54 pm
- Forum: Hardware
- Topic: ZX Spectrum 16K keyboard issue - not all keys works
- Replies: 4
- Views: 1913
Re: ZX Spectrum 16K keyboard issue - not all keys works
Glad that you are now all sorted
Mark
Mark
- Sat Apr 13, 2024 3:21 am
- Forum: Hardware
- Topic: M1 / printer interface
- Replies: 2
- Views: 458
Re: M1 / printer interface
The ZX81 uses mode 1 (IM 1) so does not care about what is on the data bus. Hence you don’t need to worry about /M1.
Mark
Mark
- Wed Apr 10, 2024 6:50 pm
- Forum: Hardware
- Topic: ZX81 blank screen
- Replies: 30
- Views: 2116
Re: ZX81 blank screen
Lots get caught out by the UK700 producing 12V to 16V when off load, and 10V to 12V when on load.
Good that you are making progress.
Mark
Good that you are making progress.
Mark
- Tue Apr 09, 2024 9:38 am
- Forum: Welcome Area
- Topic: Mandatory intro post / 6502 Z80 content
- Replies: 3
- Views: 665
Re: Mandatory intro post / 6502 Z80 content
Hello and welcome to our forum reanimate!
I hope you enjoy this forum
Nice set of 1980s computers and extra hardware
You are welcome to ask questions!
Mark
I hope you enjoy this forum
Nice set of 1980s computers and extra hardware
You are welcome to ask questions!
Mark
- Sat Apr 06, 2024 9:14 am
- Forum: Welcome Area
- Topic: ZX newbie
- Replies: 2
- Views: 267
Re: ZX newbie
Hello and welcome to our forum Staffan!
I hope you enjoy this forum
You are welcome to ask questions!
Mark
I hope you enjoy this forum
You are welcome to ask questions!
Mark
- Fri Apr 05, 2024 12:25 am
- Forum: Hardware
- Topic: Cursor off-screen
- Replies: 9
- Views: 556
Re: Cursor off-screen
The cursor is not likely to be off-screen, more likely is that the video contrast (voltage) is wrong. Hence the K cursor may be there, just not visible. If the picture size was incorrect, I would expect a rolling image, due to incorrect sync. Keep in mind that the transistor type composite modificat...
- Thu Apr 04, 2024 5:26 pm
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 4400
Re: how to verify if a multiface 1 is working ??
Ahh, I was going to reply the other day, must have forgotten
As the Opus also uses it's own ROM, has the previous owner fitted or modified the MF1 board with a switch or some other method to disable/prevent it's ROM and RAM from being paged in?
Mark
As the Opus also uses it's own ROM, has the previous owner fitted or modified the MF1 board with a switch or some other method to disable/prevent it's ROM and RAM from being paged in?
Mark