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

To: <ti-hardware@lists.ticalc.org>
Subject: Re: TI-H: TI-89/92 ROMs NOT compatible
From: "Robert Brack" <reb@netride.com>
Date: Tue, 24 Mar 1998 04:04:07 -0500
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: ti-hardware@lists.ticalc.org

At my favorite auction site, you can get them refurbished for $50 or less.
That's where I got one for my friend.  The address is www.surplusauction.com

>actualy you can get them for 75 now....refurbished.
>>
>>Zip Drives also cost $150.  Most people probably wouldn't want to pay
>>that and have to lug around a large drive.
>>
>>>----------
>>>From: SMC12[SMTP:scross@san.rr.com]
>>>Reply To: ti-hardware@lists.ticalc.org
>>>Sent: Sunday, March 22, 1998 2:00 PM
>>>To: ti-hardware@lists.ticalc.org
>>>Subject: 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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>>>
>>>
>>
>
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