Re: [Ql-Users] Cumana disk interface pinout?

2010-10-06 Thread Malcolm Cadman
In message , Petri Pellinen writes Hi Petri, Ah yes, they are 40/80 track Double Density - 720k discs. Not the HD that are more recently common. Anyway, I am pleased that you have found a suitable drive. Enjoy the QL! Thanks, I actually had some 720k disks from way back so didn't have to

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-06 Thread Malcolm Cadman
In message , Petri Pellinen writes On Tue, Oct 5, 2010 at 2:09 PM, Tony Firshman wrote: I reckon you would be *far* better off if you could find a Gold Card or SuperGoldCard. They were much superior, with faster processor and added ram. Yeah, I know... On the other hand, I'm looking at th

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Tony Firshman
Petri Pellinen wrote, on 5/Oct/10 19:09 | Oct5: Petri/ Thanks, I actually had some 720k disks from way back so didn't have to use the tape trick. I salvaged yet another floppy drive from one of the old carcasses at the office and this one actually works! It seems that the cumana interface is v

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Tony Firshman
Al Feng wrote, on 5/Oct/10 18:52 | Oct5: On Tue, 5 Oct 2010 10:52:05 +0300 Petri Pellinen writes: Hello everyone, I received my shiny 23 year old Cumana disk interface for the QL yesterday and am now trying to wire it up to a 'modern' 3.5" pc floppy drive... So far, the results have been med

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Tobias Fröschle
Am 05.10.2010 20:09, schrieb Petri Pellinen: Thanks, I actually had some 720k disks from way back so didn't have to use the tape trick. I salvaged yet another floppy drive from one of the old carcasses at the office and this one actually works! It seems that the cumana interface is very finicky

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Petri Pellinen
Thanks, I actually had some 720k disks from way back so didn't have to use the tape trick. I salvaged yet another floppy drive from one of the old carcasses at the office and this one actually works! It seems that the cumana interface is very finicky about the kind of drive it talks to (which is t

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Al Feng
FWIW. I think that you will probably be able to FORMAT the 3.5" disk via the Cumana interface if you _cover_ the indexing hole and thereby ensure that the dumb device isn't confused when it tries to format the HD disk as a 720K disk ... On Tue, 5 Oct 2010 10:52:05 +0300 Petri Pellinen writes:

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Petri Pellinen
On Tue, Oct 5, 2010 at 2:09 PM, Tony Firshman wrote: > I reckon you would be *far* better off if you could find a Gold Card or > SuperGoldCard. They were much superior, with faster processor and added ram. Yeah, I know... On the other hand, I'm looking at this as a retrocomputing hobby and part o

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Tony Firshman
Petri Pellinen wrote, on 5/Oct/10 11:39 | Oct5: Thanks Tony You are right in assuming modern drives are seen as flp2_. It may have a DS jumper somewhere if you want flp1_. These now are generally solder jumpers on the pcb, but it may have external links. One of my three drives does have the

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Petri Pellinen
Thanks Tony > You are right in assuming modern drives are seen as flp2_. > It may have a DS jumper somewhere if you want flp1_.  These now are > generally solder jumpers on the pcb, but it may have external links. One of my three drives does have the solder pad to change the setting but I would b

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Tony Firshman
Rich Mellor wrote, on 5/Oct/10 09:19 | Oct5: On 05/10/2010 09:00, Tony Firshman wrote: Petri Pellinen wrote, on 5/Oct/10 08:52 | Oct5: Hello everyone, I received my shiny 23 year old Cumana disk interface for the QL yesterday and am now trying to wire it up to a 'modern' 3.5" pc floppy driv

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Rich Mellor
On 05/10/2010 09:00, Tony Firshman wrote: Petri Pellinen wrote, on 5/Oct/10 08:52 | Oct5: Hello everyone, I received my shiny 23 year old Cumana disk interface for the QL yesterday and am now trying to wire it up to a 'modern' 3.5" pc floppy drive... So far, the results have been mediocre at

Re: [Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Tony Firshman
Petri Pellinen wrote, on 5/Oct/10 08:52 | Oct5: Hello everyone, I received my shiny 23 year old Cumana disk interface for the QL yesterday and am now trying to wire it up to a 'modern' 3.5" pc floppy drive... So far, the results have been mediocre at best. I have QDOS-formatted a DD floppy on t

[Ql-Users] Cumana disk interface pinout?

2010-10-05 Thread Petri Pellinen
Hello everyone, I received my shiny 23 year old Cumana disk interface for the QL yesterday and am now trying to wire it up to a 'modern' 3.5" pc floppy drive... So far, the results have been mediocre at best. I have QDOS-formatted a DD floppy on the Q-emuLator but when I hook up the drive to the C