Re: 901885-04 (fwd)

From: Nicolas Welte (
Date: 1999-06-22 22:10:43

Ruud Baltissen wrote:
> But I also have an 8250LP, with the small drives, and this one has a piggy-back
> print which replaces the original IC. This print contains a 901885-04. a 74LS04
> and a 2736-EPROM. Onboard is also the possebility to choose a 2716.

Aha, maybe it's the same daughterboard like in my SFD1001. I think the
daughterboard is used to replace the internal ROM of the 6530 by an
external ROM. What revision number is printed on the ROM and does it
look similar to any of the ROM dumps on funet? 

I also have similar daughterboards in my 8028 printer, where a 6532, a
74LS04 and a 2716 Eprom seem to replace a 6530.


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