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


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




They are also big, (not the clicks as much), expensive, and I wouldn't
want to carry them around...
- noah zoschke (nzoschke@juno.com)

On Sun, 22 Mar 1998 14:00:33 -0800 "SMC12" <scross@san.rr.com> writes:
>
>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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>
>

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