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A collection of messages about the JamMan's memory upgrade

compiled by Ed Drake

Date: Mon, 27 Jan 1997 From: Stew Benedict

Does anyone have the exact spec (generic part number - whatever) for the Jamman "zip" memory? I'm struggling with whether to buy a deep-discounted model or hold out for the 'plex, and the price of the memory will be a factor. I've found some 1x4-60ns Zip for $10 at www.visionsoft.com,

Thanks! Stew Benedict

Date: Mon, 27 Jan 1997

From: Greg Hogan

The answer is 1Mega Byte x 4 bits at 100 nanoseconds or faster 20 pin zip style DRAM, quantity 4.

Please let me know if you have any questions or if there is anything that I can do for you.

Best regards,

Greg Hogan

Lexicon Customer Service

email: ghogan@lexicon.com

Date: Mon, 13 Jan 1997

From: James Reynolds

unfortunately the jamperson uses ZIP ics, not SIMMs. it's older, rarer, more expensive technology. you can get the whole 32 sec worth (4 megs) from lexicon for an inflated $140, or you can try to find them from a chip dealer for probably about $100. they are user-installable, just open the box, pull out the old, and put in the new. hold the chips firmly so you don't bend the leads as you insert them, it's a tight fit. the manual says not to rock the ICs, but you'll probably need to rock them a little bit to get them to move.

The manual says to use four 1M x 4 bit ZIP ICs, and lists the following compatible chips:

motorola MCM54400AZhitachi HM514400AZPnec D424400AZPfujitsu MB814400mitsubishi M5M44400Lmicron MT4C4001JZ

before performing the upgrade, the manual suggests disconnecting the jam man from its power supply. interestingly, it doesn't have any warnings against performing the upgrade underwater...

good luck! james

Date: 13 Sep 96

From: Jon Durant

Oh yeah, the memory on JamMan is PC Zip chips, and *don't* get 'em from Lexicon. They bought in on very unfavorable terms and are stuck with 'em. But if you call the marketing dept (as opposed to Customer Service who are in posession of the big ticket items), they'll give you some 800 #s where you can find it cheaper. Not cheap, unfortunately. (If they give you difficulty, let me know. I still have some influence. Not much, but some...)

Date: Sat, 4 Jan 1997

From: PMimlitsch@aol.com

The best place to check is a local electronics store and NOT a music store(the music store will way over charge you). The manual lists, by manufacture and serial#, the chips needed. I upgraded mine a little over 2 years ago and the price at that time was $90.00. The installation is simple and the instructions are clearly shown in the manual. Good luck.---Paul

Date: Friday Jan 31,1997

From: Ed Drake

I got mine from Chips for Less at 1-800-820-6009. I think they charge about $110 nowadays. Just say you want the RAM for the Jam Man and they'll know exactly what you are looking for. According to others on the list you can probably get it cheaper if you look around, but if you are having trouble finding it, they do have it.

Later Ed

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