Panasonic FS-A1F MSX2 RAM Expansion

By abslide

Resident (33)

Аватар пользователя abslide

23-06-2007, 19:34

Hi !
Someone knows how to expand 64kb memory of my FS-A1F onboard?
(How to fs-a1f onboard ram Expension for 64kb to 128kb, 256kb, 512kb?)
There is a tutorial on the net?
Good Luck!

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By Manuel

Ascended (18256)

Аватар пользователя Manuel

24-06-2007, 22:13

Cool, on that site is also a picture of C-BIOS in a real FS-A1F Smile

By abslide

Resident (33)

Аватар пользователя abslide

26-06-2007, 18:49

oops...
Today I'm tried that Pincture see..
But.. Screen is Black..
Oh my god..
RAM fail to Screen Black?
What's the Problem..?

By abslide

Resident (33)

Аватар пользователя abslide

27-06-2007, 11:12

My FS-A1F PCB is repaired!
Problem is a Put PCB line on the fritz that on my hand Solder.
Ye.. need for professional PCB solder..

parts purchase : ceramic capacitor : 0.1uF25V
DIP IC : MB81464-15
DIP Socket : 18pin

need individually for 4 items or 2 items.

parts purchase location : JungAng Distribution complex, kuro Seoul Korea (http://www.chacc.or.kr/index.jsp)

PCB Repair location : co. e-TST,YoungSan Seoul Korea(www.e-tst.co.kr)

By Manuel

Ascended (18256)

Аватар пользователя Manuel

27-06-2007, 19:52

And how much memory does it have now? 128kB?

By abslide

Resident (33)

Аватар пользователя abslide

28-06-2007, 12:23

MB81464-15 (32KB) x 4 items = 128 KB

RAM Upgrade is a 64KB to 128 KB.