A500IDE works!

[Stedy]

@Generale:

I have the Schematics for the Lucas board in Gif format if you need them.

They are available here: http://www.ianstedman.co.uk/Downloads/68020-68881.gif
http://www.ianstedman.co.uk/Downloads/Pals_&_Glue.gif

You would need to replace the obsolete 16L8 GAL devices, luckily the PLD source code is included.

[Doobrey]

mdma wrote:
would a CDTV KS1.3 ROM fit in an A500 rom socket, and more importantly would it be of any use?

Not any use, cos the CDROM in a CDTV isn`t IDE, so the driver wouldn`t work.

Doobrey wrote:

mdma wrote:
would a CDTV KS1.3 ROM fit in an A500 rom socket, and more importantly would it be of any use?

Not any use, cos the CDROM in a CDTV isn`t IDE, so the driver wouldn`t work.

Would the CD32 ROM be incompatible/useless with a 500 too?

[SamuraiCrow]

Yes, a CD32 ROM would be useless.  A CD32 is a 32-bit machine.  The A500 is 16-bit.

[Generale]

Well, a 32 bit ROM can be used..I think...If it's burnt onto a 16 bit rom or a bit of addressline trickery is done, because all 68ks are 32bit internally anyway. It's just the bus is crippled (like the 8088 was a crippled version of the 8086). The only concern is whether the memorymap is the same between hardware.
Good point about the scsi driver in the CD32. Speaking of which, the scsi/atapi packet tool that came with the ide.driver looks like some fun to play with

[MskoDestny]

B00tDisk wrote:
Well how much does a bare 060 or hell even a low end G3 CPU cost?  I'd be willing to donate to that project.

New 060s are rather expensive.  The budgetary price (when buying in lots of 1000 or more) is $283 for the MC68060RC50 (50MHz 060).  If you're willing to settle for an EC part (no FPU and no MMU) you can for MC68EC060ZU50 for only $83, but it's a BGA part which requires some funny equipment to solder.  Most PowerPC parts I've seen are also BGA though I seem to remember the G3s and possibly later Macs using a ZIF socket so perhaps there is a PGA version of some sort.

[Doobrey]

Generale wrote:
Well, a 32 bit ROM can be used..I think...If it's burnt onto a 16 bit rom or a bit of addressline trickery is done

 For the CD32 ROM, it can be used..but it still won`t work.
 1. It`s a 512x16 bit ROM, so it only needs an extra address line hacked in to access it.
 2. Some of the code is probably for 020 CPU`s, so it wouldn`t run on a plain A500.
 3. Although the CD32 rom has a scsi.device, it`s the cd.device that controls the CD-ROM , and just like the CDTV, it isn`t an ATAPI drive

[Generale]

I tried Ralph Babel's driver. Either there's something I'm overlooking (most likely), or the babelcdromfs and ide.device don't like each other. I'm not sure. I can't get it to work  :-(

[Generale]

The Xetec drivers can use the ide.driver it seems. The only problem is that I cant actually use it because it complains that the version isn't official. I dumped across the files.
After that, I tried putting the ADF onto floppy. Well, It looks like 1.3 doesn't know how to cope with the format of the disk. Help!!!

[Azryl]

Have you tried using IDEfix97 drivers, they were made for IDE drives. I cant ever remember using them under KS1.3 tho.

Something else for you to try :-)

http://main.aminet.net/disk/misc/IDEfix97.lha

Az

[Generale]

I'll have a look at the driver soon.

Babel almost works. It keeps tormenting me when I try to mount with a dialog telling me volume is read only. with retry and cancel as the options. So I hit cancel and then it just moans about it not being a dos disk.

Is my pressing cancel saying "Hey, I won't load the driver now?".

Okay then. Next!

How do I mount an FFS formatted floppy in wb1.3? I found an old thread here but it just doesn't work for me. I just want to give the Xetec drivers a try, and the floppy is in FFS format!

[SamuraiCrow]

FastFilesystem in 1.3 only worked on harddrives.  The support for floppies requires KickStart 2.04+.  I admire your attempts at bringing an A500 up to date with simple hacks but you can only get so far.  :-(

[Generale]

Heh. I know it'll never be remotely up to date. But theres nothing wrong with updating a little. I enjoy strangling every last bit out of everything I have. I like a challenge.

I tried IDEFix. It didn't want to play with me. Ah well. Thanks for that.

As for FFS on a floppy in 1.3. I thought it was possible, just that it involves a bit of tinkering with the mountlist.
Its actually a little frustrating. I know Xetecs drivers will work for me on 1.3, but I can't use them because of the ffs floppy issue.
I have to admit, right now FFS has a couple of meanings to me. I just keep hitting dead ends!
Thanks for the input though. Much appreciated!

[lanroot]

Oooh, very excellent!

I was expecting a breadboard with untrimmed leads sticking out all over along with a real rats nest of wire!

Good job!

[Generale]

Hehe. Thanks.
It could have been tidied a little more, but given my construction error rate I was happy with the way it was, because it worked. I made sooo many mistakes. Fixed them all though.

I actually made some wires a tad too short. I had a lot of trouble plugging in the ICs as a result.

I think spending a few minutes trying to arrange the components for optimal fit before I started soldering paid off. I'm not sure but it seemed to have benefited the signal/noise ratio. I can use a standard IDE cable error free!