Man, I didn't know you had an Indus GT. Was it any good?
(Also, FYI, it's "discrete". )
GandALF, sub for 1541 custom IC MOS 325572-01
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Re: GandALF, sub for 1541 custom IC MOS 325572-01
The price one pays for pursuing any profession, or calling, is an intimate knowledge of its ugly side.
Re: GandALF, sub for 1541 custom IC MOS 325572-01
It was nice looking and produced much less heat than an original 1541 with the PSU being external but it didn't have any striking features that would make it preferable to a drive like a 1571, since it was about the same price.Gyro Gearloose wrote: ↑Tue Aug 08, 2017 12:57 amMan, I didn't know you had an Indus GT. Was it any good?
Socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires. -John Steinbeck
Re: GandALF, sub for 1541 custom IC MOS 325572-01
Ray Carlsen has tested a prototype. I am still waiting for the PCBs to make the 1st production run.
Francois,
I'm happy to report that your module works fine. I ran two
drives and copied whole disks and then individual files back and
forth, first with a copy program in a stock drive and then with
JiffyDOS installed which runs faster and is more critical of
misalignment and other problems. I found no difference between
GandALF and the stock controller chip. The programs I copied fill
virtually all of a disk and thus check drive operation at the
disk track limits. For most computer and drive diagnostics, test
software and firmware is fine but I prefer to "test it in combat"
in a real world setup. I's say your chip is ready for prime time.
Thanks!
Ray
Socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires. -John Steinbeck
Re: GandALF, sub for 1541 custom IC MOS 325572-01
GandALF is available and shipping. Half a dozen units have already sold.
Socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires. -John Steinbeck
Re: GandALF, sub for 1541 custom IC MOS 325572-01
Price dropped to 18 Euros or 20$US.
Socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires. -John Steinbeck
Re: GandALF, sub for 1541 custom IC MOS 325572-01
I purchased this last week and it does seem to work correctly. Originally with the faulty drive array chip i was getting stepper motor juddering but spindle motor was working ok. With this chip i get no spindle motor control but the stepper motor working ok.
My pcb number is 250442 .
Is there any mods that need to done to make this chip compatable?
My pcb number is 250442 .
Is there any mods that need to done to make this chip compatable?
Re: GandALF, sub for 1541 custom IC MOS 325572-01
No mods required. It's supposed to be a drop-in replacement but short circuits on faulty boards can damage the XC9572XL CPLD.T4077 wrote: ↑Wed Mar 09, 2022 9:24 pm I purchased this last week and it does seem to work correctly. Originally with the faulty drive array chip i was getting stepper motor juddering but spindle motor was working ok. With this chip i get no spindle motor control but the stepper motor working ok.
My pcb number is 250442 .
Is there any mods that need to done to make this chip compatable?
This item is guaranteed for 3 years. Please provide a photo with the unit and a handwritten note so I know this is not just a photo snatched on Google as proof that you actually purchased it and send me a PM with your address and a replacement unit will be sent to you.
If you still have the same problem then the issue is with your board.
Socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires. -John Steinbeck
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