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Hi CircuitBored, Just wondering if you have these available again please. I would really like to buy 3 of them for my g4 quicksilver's. Thank you

I have been in contact with Alex Hixon and he has agreed to release his designs from Jamport G4 serial adapter for Macintosh g4 on Github https://github.com/ahixon/jamport/tree/main Unfortunately currently above my skill level to produce, but please put my name down at the top of the list...

Ok thank you for the replies I will do the bare 3.5mm plug trick

Is there a way to disable the internal speaker on my Powerbook 520c without opening the machine up and physically unplugging the speaker?

Thanks for explaining the differences croissantking, it looks quite involved as you said. A bit more research on my behalf is needed I think

Would this card need some traces cut and bodge wires added to work?

I think it is 8mb My powerbook registers 12mb total ram I assume 4mb on board and the card 8mb

This is the ram module I have in my powerbook 520c. Will I be able to find replacement chips for it to modify it to 32mb?

Thanks for the replies everyone

If I remove the PRAM battery from my Powerbook 520c will the machine run without issues?

Hi Iesca, Yes yours does look quite different. I will get some pictures of my 8mb card and post them up here. Thank you for posting

Will do, I am quite excited about this. Might take a bit to source all the required bits and pieces. I will keep you posted. Thanks again croissantking :-)

Ok that sounds like really great news. Thanks croissantking I will check out what brand 8mb card I have, do a bit more research and go from there. Much appreciated for the info Thank you

Could chips be removed and replaced with others to create 32mb? What type of chips are compatible?

Thanks for the reply, Could a current 8mb card be modified to support 32mb?

Are there any aftermarket 32mb ram solutions - kits etc. to suit a Powerbook 520c 'Blackbird'

Hi s_pupp, Thanks heaps for the tip. FWB Hard Disk Toolkit v3 did the trick! I am now able to boot successfully off the 2gb Transcend cf card in the iodata idsc21-e. Thanks so much for that. Best regards, Motu

Thanks s_pupp, I will give that a try

I have had success with this iodata idsc21-e scsi to ide adapter/ide cf card adapter in my Atari Falcon, my Atari TT and three of my vintage Akai sound samplers (s2000, s3200 & s5000), all have been able to boot from the cf card. Unfortunately the Macintosh is not wanting to boot from the cf...

The external SCSI enclosure has the iodata idsc21-e connected to an ide cf card adapter (the jumper on this is set to master), on the back of the enclosure it has 2 x female centronics 50 sockets, one goes to the powerbook 520c via a centronics 50 to db25 scsi cable and the other has my BlueSCSI...