F4/FMPAC Light Combo Board project

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By Meits

Scribe (6213)

Meits's picture

08-02-2021, 15:26

Are you sure you can fit a socket and this board and the z80 between the mainboard and the diskdrive? There's practically no space there.

By rolandve

Master (233)

rolandve's picture

09-02-2021, 06:45

Mmm, never thought about that. Thanks for the information!
Anyone found a FD for the MSX type slim? Otherwise a SD/MCC substitute for the floppy drive.

By ddehaan

Resident (34)

ddehaan's picture

22-02-2021, 13:39

Hi Alexey,

I still have a few questions Smile Am i correct to asume that the IC's on the backside of the board is the F4 portion (wich i don't need)?

IC2 and IC3 are kind of tough to find in a D package. Ordered the wrong ones from Aliexpress (the non D versions) and of course they don't fit Smile If the backside isn't needed for the FM Pac portion, i don't have to get them Smile

I also couldn't find a

Kind regards,
Dennis

By ddehaan

Resident (34)

ddehaan's picture

22-02-2021, 17:26

Never mind, found the parts Smile

By Alexey

Guardian (2989)

Alexey's picture

22-02-2021, 18:55

The board has distinct markings for what ICs belong to FMPAC and what belong to port F4. The chips are basic logic ICs that are sold in any decent electronics store and on Ebay. Aliexpress has plenty of them. Good that you found the parts you need.

By ddehaan

Resident (34)

ddehaan's picture

23-02-2021, 15:56

Look at the board a little closer and figured it out Smile I could not find IC2 and IC3 on Aliexpress in a D variant. I ordered the normal variant, but they don't fit (pins don't line up) Smile Good thing Aliexpress is cheap Smile

Found the IC's and i am waiting for them. Rest of the board has been soldered. Curious if i'll get it to work Smile

Thanks for the help Wink

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