It's been a hell of a day! HP 9845/2x i8008/Sage II/2x Grid/TI

[Joe R.]

At 12:03 AM 5/17/05 +0100, you wrote:
>> >> >I haev a Sage II (the later model with half-height 80 cylinder drives),
>> >> 
>> >>    That's like mine but it only has one HH drive. Any idea if these will
>> >> handle four floppy drives? The manual says that it could handle four
>> >
>> >The schematics in the back of my Owner's Manual only show DS0 and DS1 
>> >wired up, so I guess it only handles 2 floppies.
>> 
>>    I haven't looked at the schematics yet but I suspected as much.
>
>Strange... I always look at the schematics first, if they're available 
>(then source listings, and finally any user-manaul type of info...).

  To each his own! I haven't had time to read ANY of the manuals yet. I've
only looked at the covers.


>
>
>> 
>> >
>> >> Winchester drives. IF you have the Winchester board. I don't :-(  It
>> >
>> >Nor do I. But to tie in to a thread a few weeks back, I have a 
>> >third-party board in mine. It's fixed on pillars stuck to the main board, 
>> >and connects to the 2 50 pin bus headers. It contains a few TTL chips, 
>> >and has a 20 pin header that's designed to link to a Pluto graphics unit 
>> >(or at least that's what I think it's for). Alas I don't have any 
>> >software to drive it.
>> 
>>    What's a Pluto graphics unit? The Sage only comes with512k of memory
>
>The Pluto was a reasonable hi-res (for the time) graphics display system 
>with its own 8088 microprocessor. Jules Richarson found one a few weeks 
>back iIRC. I hvve one somewhere, it came with a Sharp MZ80-B, not with 
>the Sage, but I think it's the same unit.
>
>> (max). The Winchester adapter also contains up to 512k bytes of additional
>> RAM. Any ideas about how to built a RAM card that can be used to increase
>> the memory of the standard Sage?
>
>Well, you have the system bus on those 2 50 pin headers. It should be 
>fairly easy to wire up some modern SRAM chips to those, with a bit of 
>address decoding logic. 
>
>> >> CPM-68k for it so I'm on the look out for those.
>> >
>> >I hate to mention this, but IIRC Don Maslin's archive contained CP/M 68k
>> >for the Sage :-(
>> 
>>     I wonder who finally ended up with his archive? Several people tried to
>> take it over.
>
>Oh for %deity's sake... There are 2 threads about this at the moment on 
>classiccmp. Do you actually _read_ the list ? :-)

  I can't read the future and that tread was started AFTER I posted the
question.

    Joe

>
>> 
>> >
>> >All (!) we have to do is find some way of transfering disk images to me 
>> >in a format that I can actually make use of.....
>> 
>>      Snail Mail! I'll make copies as soon as I get it fired up. I need
>> backup copies anyway.
>
>Which means I'd better dig out my Sage again. I think I know where I put it.
>
>-tony
>