root@amnesia.UUCP (William J. Coldwell) (02/16/90)
Well, I've been reading all of the remarks on upgrading an A1000 to 1.4, and have this tidbit to offer y'all... (sorta commercial?) About a year ago, (yes, before CMI went out of business) an upgrade was made to the Processor Accelerator for the 1000 to allow it to hold a 1.3 ROM. We did this so that A1000 users would not have to buy an Accelerator, then turn around and purchase a KickStart Eliminator (I imagine that the real truth to this is that we were tired of all of the 27256 EPROMS laying around that needed to be reprogrammed every time a new version of KS came out..) Anyway, it turns out that this upgrade also allows a 512K ROM to be used with this board (actually, I must admit that it was Bob (Kodiak) Burns that turned my ear to this, so he deserves the pat on the back). We checked our schematics and sure enough, it _is_ wired to handle the extra address lines. So, any of you PA1000 users that have the KS socket can place a 1.4(+) ROM into it and it will work. Now, remember that you do not have a 1M Agnus, nor the Super Denise, so you won't be able to use any of the "productivity modes" (but _I_ never use that much CHIP RAM, and ain't got no fancy multisynky thingy anyway (besides, 4 colors at 31kHz does not turn me on)) - BUT it _IS_ a start. This is not a "rejuvenator", but it will allow you to cross the hurdle of getting your A1000 to run 1.4. For those who do not have one: A Processor Accelerator is a 14MHz 68000 replacement that includes a battery backed clock/calendar, a KickStart socket, an MC6888x math ship socket and speeds things up (your mileage varies depending on how CPU intensive an application is). Incidently, you can run the ROM at 14MHz also, so Intuition calls (and _ALL_ ROM routines) are accessed faster. "So, if this is what I want, how do I get it?" you ask. Well, that's fairly easy... a company called digiFeX bought out all of CMI's inventory, and the rights to manufacture some of their products, including the Processor Accelerator series. Simply contact them, and they'll be happy to innundate you with the information that you need to purchase one. Their number is: digiFeX - (503) 656-8818 and they will be at AmiExpo in Washington, DC. They'll have to come up with something _way_ better before I'll give up my garage space for my keyboard.... Bill (formerly with Creative Microsystems Inc.) -- Patient Name: William J. Coldwell Age:24 Occupation: Amiga Attitude Adjuster Patient Address: tektronix!reed!percy!amnesia!billc also PLINK: CRYO Natural Habitats: Digital Imaging Solutions and Cryogenic Software Inc. Diagnosis: Suffers from 3-D withdrawl. Needs 3-D Professional 3x/day.
UH2@psuvm.psu.edu (Lee Sailer) (02/20/90)
In article <00013.AA00013@amnesia>, root@amnesia.UUCP (William J. Coldwell) says: >For those who do not have one: >A Processor Accelerator is a 14MHz 68000 replacement that includes a battery >backed clock/calendar, a KickStart socket, an MC6888x math ship socket and >speeds things up (your mileage varies depending on how CPU intensive an >application is). Incidently, you can run the ROM at 14MHz also, so >Intuition calls (and _ALL_ ROM routines) are accessed faster. This may seem like a mean question, but I really don't mean it that way. I toyed with buying a PA1000 for quite some time, but it seemed to me from the discussion here on the net that *maybe they didn't work very well** This is not a question of how much acceleration one got---as you say, my milage may very. But it seemed to me that there were an awful lot of messages that said essentially, "I couldn't ever get the PA1000 to work, so I finally gave up and returned it and got my money back." So, my question for someone who ***REALLY*** knows---what's the story on the PA1000? Under what circumstances does it work, and when not? lee >"So, if this is what I want, how do I get it?" you ask. >Well, that's fairly easy... a company called digiFeX bought out all of CMI's >inventory, and the rights to manufacture some of their products, including >the Processor Accelerator series. Simply contact them, and they'll be >happy to innundate you with the information that you need to purchase one. >Their number is: digiFeX - (503) 656-8818 >and they will be at AmiExpo in Washington, DC. >They'll have to come up with something _way_ better before I'll give up my >garage space for my keyboard.... > Bill (formerly with Creative Microsystems Inc.) >-- >Patient Name: William J. Coldwell Age:24 Occupation: Amiga Attitude Adjuster >Patient Address: tektronix!reed!percy!amnesia!billc also PLINK: CRYO >Natural Habitats: Digital Imaging Solutions and Cryogenic Software Inc. >Diagnosis: Suffers from 3-D withdrawl. Needs 3-D Professional 3x/day.