Search found 137 matches
- Fri Apr 19, 2024 10:52 am
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 7702
Re: how to verify if a multiface 1 is working ??
okay , finally came to testing the new pcb , and ...... It is only partly working ; i get the multiface-menu after pushing the nmi button . BUT , it looks like i can not select any options ( aka there is no keyboard response ) What might be causing that ?? - tried on a stand alone speccy 48 - = i no...
- Wed Apr 17, 2024 9:41 am
- Forum: SALES
- Topic: Best tan ever on a ZX80?
- Replies: 2
- Views: 6476
Re: Best tan ever on a ZX80?
Now , that is an original one !!
- Sun Apr 14, 2024 6:17 pm
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 7702
Re: how to verify if a multiface 1 is working ??
Was only a mock-up , connector not soldered !!
- Sun Apr 14, 2024 11:32 am
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 7702
Re: how to verify if a multiface 1 is working ??
- might be needed to remove the diode on the multiface one
- Fri Apr 05, 2024 8:31 am
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 7702
Re: how to verify if a multiface 1 is working ??
Hi mark , nothing specific on the front of the pcb , m_IMG_5824.jpg Or on the back , m_IMG_5988.jpg m_IMG_5989.jpg only multiface enable and the nmi switch have been extended to some wire-posts all ic's get their 5 volt . - i have ordered the parts to make a new multiface to try on the output connec...
- Thu Apr 04, 2024 2:11 pm
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 7702
Re: how to verify if a multiface 1 is working ??
the only result at pressing the nmi-button is speccy reset.
i verified the eprom , and it is ok ( verified against download )
Any ideas ?
- i have ordered the multiface remake pcb , so in an attempt to see if that one works on theis "frankenstein"build spectrum.
i verified the eprom , and it is ok ( verified against download )
Any ideas ?
- i have ordered the multiface remake pcb , so in an attempt to see if that one works on theis "frankenstein"build spectrum.
- Sun Mar 31, 2024 4:57 pm
- Forum: Hardware
- Topic: SOLVED !! opus discovery questions
- Replies: 7
- Views: 2062
Re: opus discovery questions
Mark , crystal clear !! i noticed the common motor on , but needed some time to get the ds in my mind. i now have 1 drive set as ds0 , and that works perfect . the other drive i have does not want to work with 10 and 12 swapped ( i noticed there is no connection on its pcb for 10 ) , hardwiring 10 i...
- Sat Mar 30, 2024 8:57 pm
- Forum: Hardware
- Topic: SOLVED !! opus discovery questions
- Replies: 7
- Views: 2062
Re: opus discovery questions
so finally found the programms to format a modern floppy-drive diskette to use with the spectrum !! altough i now have to use drive " 2 " instead of " 1 ". I assume that has to do with the difference between the original opus drive and the pc one . can a " twisted " cable solve this ? can anyone hel...
- Mon Mar 25, 2024 10:16 am
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 7702
Re: how to verify if a multiface 1 is working ??
i took all those chips off to verify them in a component tester
i will try to get some sense into the opus coming weekend ,
Need the formatting programm to do so on a pc-floppy .
Anyone ?
i will try to get some sense into the opus coming weekend ,
Need the formatting programm to do so on a pc-floppy .
Anyone ?
- Sat Mar 23, 2024 6:24 pm
- Forum: Hardware
- Topic: how to verify if a multiface 1 is working correct ??
- Replies: 18
- Views: 7702
Re: how to verify if a multiface 1 is working ??
some pictures of the disaster area ;
everything soldered together , no history known .
2 problems ,
no working multi face 1
opus error 9 ( has 2 eproms , 2.1 2.31 )
everything soldered together , no history known .
2 problems ,
no working multi face 1
opus error 9 ( has 2 eproms , 2.1 2.31 )