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- Newsgroups: comp.sys.amiga.hardware
- Path: sparky!uunet!mcsun!julienas!babbage!boole!soudan
- From: soudan@boole (SOUDAN sebastien)
- Subject: Re: 1/2 Meg Chip --> 1 Meg Chip RAM!
- Message-ID: <Bxwuwo.IpJ@ufrima.imag.fr>
- Sender: news@ufrima.imag.fr
- Nntp-Posting-Host: boole
- Organization: University of Grenoble (France)
- References: <1992Nov17.131845.24959@lugb.latrobe.edu.au>
- Date: Wed, 18 Nov 1992 12:05:11 GMT
- Lines: 36
-
- csccm@luxury.latrobe.edu.au (Chris Miles) writes:
-
-
- >I have an A500 with 20meg HD on the side, and 3 megs of RAM - 0.5 Chip, 0.5 in
- >the Trapdoor, and 2 meg FAST in the HD. Wot I have heard is that its possible
- >to make the 0.5 meg in the Trapdoor to be another 0.5 meg of Chip ram?? Is
- >this true, and if so - How do I do IT???! I realize I might have to buy a
- >'bigger' Agnus, but I'd just like to know the details of how to do this if it
- >is possible...
-
- >Thanx!
- You have to change internal jumpers (on the mother board). I've done it
- You must have a Fat Agnus (1M0 chip)
- You have to change internal jumpers (on the mother board). I've done it
- on a rev5
- _______________________
- | |
- | J2 | <- Back of a500 (connectors)
- | Agnus |
- | | J2: exchange connection
- | | ( i don't remember if x-x x to x x-x
- | | or x x-x to x-x x )
- | |
- | | J7A: cut the connection
- | J7A | ( becomes x x x )
- | ======= Internal |
- | Connetor |
- | ------ |
- | | | |
- | |Drive| |
- ---------------------
- --
- _______________________________________________________
- SOUDAN Sebastien ESI2 Gr2 / EUI Grenoble |
- --> soudan@petri.imag.fr |
- /\\ |
-