Re: TI-H: TI-89/92 ROMs NOT compatible

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Re: TI-H: TI-89/92 ROMs NOT compatible


Zip drives have a portable power source, and Click drives are nice and
small.  They're also SCSI.  Hint... hint... hint... Grant.


>
>Is this something that we can find somewhere?  Not just some old part you
>had lying around?
>
>- noah zoschke (nzoschke@juno.com)
>
>On Sat, 21 Mar 1998 14:01:42 -0700 gussie@alaska.net (Grant Stockly)
>writes:
>>
>>You have no idea which HD I use.  The HDs I use only use about 50ma at
>>full
>>access.  They are the HP KittyHawk kind.  They are about the size of a
>>pack
>>of those hotell matches or the size of the metal part of a disk.
>>
>>>Okay, the deal is that a hard drive will eat power alive.  4 AAA
>>batteries
>>>won't cut it.  However, if we do plan on connecting all of this extra
>>>secondary storage in any form, why not give ELKS a shot on the 89?
>>Seeing
>>>as there's Linux on the PalmPilot (another 68K system), perhaps we
>>could
>>>dumb it down a bit and have something close to POSIX compliant UNIX
>>on the
>>>calcs.  Of course, I would personally recommend actually upgrading
>>the
>>>system RAM as well to something a bit more respectable, since EMS and
>>>virtual memory schemes are painfully slow, and we don't want to write
>>too
>>>often to an EEPROM.
>>>        But Linux would be great.  Think about it, finally some real
>>power
>>>on a calc.
>>>Christopher Kalos
>>>raptorone@geocities.com
>>>VirtuTech Developer's Group
>>>AOL IM: Raptor1CK
>>>
>>>----------
>>>From:   Robert Brack[SMTP:reb@netride.com]
>>>Sent:   Friday, March 20, 1998 8:06 AM
>>>To:     ti-hardware@lists.ticalc.org
>>>Subject:        Re: TI-H: TI-89/92 ROMs NOT compatible
>>>
>>>
>>>
>>>
>>>Is is possible to make the hard drive part of the EII?  Like an
>>extension,
>>>get the smallest EII chip, use it as a dedicated driver for the HD,
>>and then
>>>figure out how to format the HD.  If we format it IBM, then we can
>>download
>>>games and stuff from the computer to the HD, and not need a link
>>cable.
>>>
>>>
>>>>Probably on the 89 or 92with + module...we'd have to modify the
>>calcs rom
>>>>and use a special bus address line.  That would mean we would have
>>to find
>>>>an empty space in rom...  Maybe a pointer in the flash rom (in 89 or
>>+
>>>>module) that looks for the driver in RAM.  If it finds it then it
>>can
>>>>access the HD.  we don't have enough room in rom for a HD driver...
>>we
>>>>need at least 12k
>>>>
>>>>Grant
>>>>
>>>>>http://www.eklektix.com/gfc/gsale/ He only has one, though.  How
>>hard
>>>would
>>>>>it be to change the program to suit a different sized hard drive?
>>Also,
>>>>>where can you get yours?  Go for 40MB, 2 dollars won't break
>>anyone, even
>>>if
>>>>>noone will go over 20MB in the first place, still, 8 years ago I
>>though I
>>>>>would never outgrow my 40MB drive!!!  And if we get more space, the
>>>programs
>>>>>can be made bigger, better, and with more cool pics.  Imagine a
>>100MB calc
>>>>>game :-)  Anyways, think about it.
>>>>>
>>>>>
>>>>>>
>>>>>>Where?  I can get 20MB for $2 and 40MB for $4...
>>>>>>
>>>>>>>I know where to get a 100MB SCSI drive for $20 or less, would
>>that still
>>>>>>>work?  I don't know where to buy a 20MB!!!
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>>For now lets do a 20MB HD...then we can get a 21.5GB Quantum to
>>work
>>>:)
>>>>>>>>
>>>>>>>>>Yeah, CD-ROM support!!  Get every single Fargo program on one
>>CD-R and
>>>>>pop
>>>>>>>>>it in!  Well, a small hard drive would be more practical. . .
>>>>>>>>>
>>>>>>>>>>Does anyone want SCSI support on the TI92/89?  I was diging
>>around my
>>>>>>>>>>"treasure" room and found my "hot wired" 512k.  Apple sold 200
>>of
>>>those
>>>>>>>to
>>>>>>>>>>special distributiors to demonstrate the 'puter.  They thought
>>that
>>>>>>>>>>customers would buy a computer if it had 4MB/SCSI/800k instead
>>of
>>>>>>>>>>512k/400k...
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>The neat thing is that steve jobs actually signed the
>>motherboard!
>>>not
>>>>>>>>>>only the Case!  There are about 20 wires running from the CPU
>>to a
>>>chip
>>>>>>>>>>which connects to a ribon cable and then goes out the battery
>>port
>>>>>thing.
>>>>>>>>>>It uses the standard a SCSI controller so...SCSI on the 92!  I
>>think
>>>>>its
>>>>>>>a
>>>>>>>>>>NCR.
>>>>>>>>>>
>>>>>>>>>>>> new OS onto the chip.  With 1 meg of space on it, why not
>>put a
>>>>>>>modified
>>>>>>>>>>>> MacOS?  When I say modified, I mean, moving the command
>>keys
>>>around,
>>>>>>>and
>>>>>>>>>>>> pointing the ADB port out the link port (we'd have to
>>supply power
>>>>>>>>>>>> seperatly.)
>>>>>>>>>>>
>>>>>>>>>>>OS is Easily done, but I don't know about ADB.
>>>>>>>>>>
>>>>>>>>>>Just use the arrow keys...
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>Content-Type: application/ms-tnef
>>>
>>>Attachment converted: Macintosh HD:RE- TI-H- TI-89/92 ROMs NOT com
>>>(????/----) (00011845)
>>
>>
>>
>
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