Adding TT RAM

Updated: 14 July, 1994     The following was gleaned from Deja News
Subject: Re: TT Ram simms
From: [email protected] (Raymond Collins)
Date: 1997/10/31
Message-ID: <[email protected]>
Newsgroups: comp.sys.atari.st.tech
Claude Bourgoin ([email protected]) wrote:
I would like to increase the TT ram in my TT030. Can anyone tell me what type of memory chips I need to do this? I know that I will need 30 pin chips. Do I buy 1x8 or 1x9 chips.

Thanks to all.

Claude Bourgoin

TT RAM chips must be 30 pin 1Mb or 4Mb x 8 non-parity nybble mode SIMMs.

The 8 means 8 chips on each memory card, NOT 9 or 3 they will not work.

I purchased my chips through Memory Supersource 1-800-457-6837.
Item # WM4000870S 4MX8 70NS SIMMS

The newer TT RAM boards it will have 6 jumpers labeled w101 to w106.

The jumpers settings are as follows:


                     w101   w102  w106
1M x 8 SIMMs (4MB)   2-3    2-3   2-3
4M x 8 SIMMs (16MB)  1-2    1-2   1-2

jumpers w103 & w104 are for the start address remain the same 2-3

jumper w105 is for burst mode  ON 2-3  OFF 1-2

--
|       Raymond Collins           |  Ohio State University  |
|     [email protected]         |      Neuropathology     |
| [email protected] |    Research Assistant   |
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