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| Anyone need: D41256 chips?
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CrazyBoss
msx freak
Berichten: 144 |  Geplaatst: 31 Juli 2007, 23:06 |
Hello
I have around 80 pieces of them.
Some is Sharp, some Nec and some Texas (i think)
Some are -10 some -12.
Any use of them?
-Claus-
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jltursan
msx professional
Berichten: 842 | Geplaatst: 01 Augustus 2007, 00:38 |
Maybe some 41416-12 or 81416-12?
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CrazyBoss
msx freak
Berichten: 144 | Geplaatst: 01 Augustus 2007, 13:52 |
No its 41256-10 and 41256-12
actually i also have 21256-10.
All of them works in Amstrad PCW for ram extention from 256->512.
I tested all the chips back in 2001 
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dhau
msx master
Berichten: 1047 | Geplaatst: 01 Augustus 2007, 16:25 |
All MSX systems I've seen use 4-bit word memory (4464, 44256 etc.).
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shaiwa
msx addict
Berichten: 287 | Geplaatst: 01 Augustus 2007, 22:38 |
I've got some mb81c4256a-70p here. Can i use these to upgrade a 8250?
Or only for 2+ ?
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dhau
msx master
Berichten: 1047 | Geplaatst: 27 Augustus 2007, 20:02 |
Yes. I hope it's DIP-20 type. Other types might be too much trouble to solder.
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