Search found 90 matches

by chriskgnr
Wed Sep 03, 2014 10:28 pm
Forum: Hardware
Topic: Double 3.5 disk drive issue.
Replies: 33
Views: 17740

Re: Double 3.5 disk drive issue.

Here are the things until now: With a straight through floppy cable and one disk drive plugged, the disk drive responds at flp2_ commands. In other words it is jumpered as DS1. The same thing happens when i plug the second drive. So, i have two DS1 (flp2_) floppy disk drives. With the same straight ...
by chriskgnr
Wed Sep 03, 2014 3:43 pm
Forum: Hardware
Topic: Double 3.5 disk drive issue.
Replies: 33
Views: 17740

Re: Double 3.5 disk drive issue.

Is it possible to be an interface issue? I mean maybe the problem is the WD1770 controller chip. If i changed it with the newer WD1772? :?:
by chriskgnr
Wed Sep 03, 2014 3:41 pm
Forum: Hardware
Topic: Double 3.5 disk drive issue.
Replies: 33
Views: 17740

Re: Double 3.5 disk drive issue.

i used DD floppy disks but nothing changed. No, the drives do not have any jumpers. Maybe they have pads, but underneath the metal cover which i can not remove. I cut the cable and modified as a "no twist" between 10 and 12 pins but no luck. I modified it again with the twist at 10 and 12 ...
by chriskgnr
Tue Sep 02, 2014 9:07 pm
Forum: Hardware
Topic: Double 3.5 disk drive issue.
Replies: 33
Views: 17740

Re: Double 3.5 disk drive issue.

i am completely baffled. I used a non inverted cable and the symptoms changed. I used Cst Qdisc v1.16 firmware and the symptoms changed again. I used DD floppy disks and the symptoms changed again and again... I think i'll throw it to the bin...
by chriskgnr
Tue Sep 02, 2014 5:49 pm
Forum: Hardware
Topic: Double 3.5 disk drive issue.
Replies: 33
Views: 17740

Re: Double 3.5 disk drive issue.

the cable which is going to flp2_ is inverted.
by chriskgnr
Tue Sep 02, 2014 4:54 pm
Forum: Hardware
Topic: Double 3.5 disk drive issue.
Replies: 33
Views: 17740

Double 3.5 disk drive issue.

Hi! Recently i purchased a double 3.5 disk drive set. I asked to be a Shugart compatible set. I use a CST Qdisc controller with v1.13 firmware. The problem is that when i do a "dir flp1_" for the first time since i boot the QL, i can see the directory listing of the floppy disk. From here,...
by chriskgnr
Tue Sep 02, 2014 4:45 pm
Forum: General QL Chat
Topic: The humongous Sandy Electronics thread...
Replies: 178
Views: 71629

Re: The humongous Sandy Electronics thread...

Hello Dave!

An update too for order 66 please? No news for three months now and no replies to my emails. :?

Regards,
Christos.
by chriskgnr
Sun Aug 03, 2014 8:01 pm
Forum: Software & Programming
Topic: The Solution by Digital Precision
Replies: 2
Views: 2063

Re: The Solution by Digital Precision

I think that i have o copy from this MSDOS emulator.
Let me check this.
by chriskgnr
Wed Apr 02, 2014 10:21 am
Forum: Software & Programming
Topic: ICE
Replies: 4
Views: 2533

Re: ICE

where can i find the rom image of the ICE program?
by chriskgnr
Sat Mar 15, 2014 2:40 pm
Forum: Software & Programming
Topic: Foreign Psion Software
Replies: 8
Views: 4203

Re: Foreign Psion Software

I think that somewhere i have the Greek version of the Psion package(and the Xchange - again i think). :?