$8.90 US. I don't have the exact breakdown but I bought two 27C256 EPROMS for I think $0.95. And then I paid another $0.50 to have them burned. Shipping was more than the EPROMS at $6.00.

All prices in US dollars by the way. The only changes I made to the ROM image were the Y2k patch and I personalized it in the upper right hand corner of the menu by replacing (c) Microsoft with my own message.

Certainly nothing life changing to the machine but I wanted to try it and the whole process was simple. I do wish my 102 had a socket so I could do the same thing without desoldering the EPROM.

Kurt

On 5/4/2015 10:33 AM, James Zeun wrote:

Kurt, how much did that cost? I can't afford to spend an awful lot more after buying the Rex. I'm not sure but I think Stephen was thinking of sending me a rom. But he's looking at the ROM I sent him at the moment. I'd personally just like it to work, so I can get back to using my M100 :-)

James

On 4 May 2015 6:29 pm, "Kurt McCullum" <[email protected] <mailto:[email protected]>> wrote:

    You could get a new EPROM burned and just drop it in to replace
    the one that's in there now. Plus fix theY2K issue at the same time.

    buyicnow.com <http://buyicnow.com> is a really inexpensive way to
    go. I had two 32k EPROMS made for my T200. It took about a week to
    get them but they were programmed with the image I sent and worked
    perfectly.

    Kurt



    On Monday, May 4, 2015 10:16 AM, James Zeun <[email protected]
    <mailto:[email protected]>> wrote:


    I'd love to post you my M100, but its far to delicate/precious to
    entrust with the postman. Plus I use it for writing :-P
    On 4 May 2015 3:28 pm, "Stephen Adolph" <[email protected]
    <mailto:[email protected]>> wrote:

        In theory yes, but the hardware compatibility item is very
        important.
        Since all roms run in VT, we might assume that they are
        compatible. the exception is the lack of modem in the EU machines.

        I thinking to send James an EEPROM with the other EU ROM that
        is compatible with REX.  But, I want to do some testing here
        to confirm it.

        I would prefer to have the target hardware in front of me
        though.. Otherwise I am just guessing.

        Steve


        On Mon, May 4, 2015 at 10:22 AM, Gary L Phillips
        <[email protected] <mailto:[email protected]>> wrote:

            Just out of curiosity then, does that mean that by
            installing the main
            ROM replacement fix REX would run on the machine? I
            suppose it depends
            on whether there are actual hardware differences as well?

            On Mon, May 4, 2015 at 8:03 AM, James Zeun
            <[email protected] <mailto:[email protected]>> wrote:
            > Gee wiz I do love Bill for that! :-P
            >
            > On 4 May 2015 1:52 pm, "Stephen Adolph"
            <[email protected] <mailto:[email protected]>> wrote:
            >>
            >> comparing this "new rom" to the original and my other
            EU rom on file, it
            >> is so different that I suspect Bill Gates decided to
            kill the option rom
            >> business in EU and keep the price high on M100 to sell
            Multiplan.
            >>
            >>
            >> On Mon, May 4, 2015 at 8:15 AM, Stephen Adolph
            <[email protected] <mailto:[email protected]>>
            >> wrote:
            >>>
            >>> James was able to extract his Main ROM from his M100
            with the late main
            >>> board.
            >>> Turns out that ROM is quite different.
            >>> * it is different from the usual M100/T102 main ROM
            >>> * it is also different from the other EU main ROM I have
            >>>
            >>> Checksum is EEA4.
            >>>
            >>> This ROM image runs in VT, but not with REX. So, there
            must be some
            >>> calls locations that have changed in the main ROM that
            affect REX.
            >>>
            >>> ..Steve
            >>
            >>
            >





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