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- From: ghazi@wizofhoz.uucp (Ozzie)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: 68030/MMU on A530 is possible?
- Message-ID: <ghazi.05ib@wizofhoz.uucp>
- Date: 23 Nov 1992 01:10:17 GMT
- References: <1689E7950.AKURCZYN@itesmvf1.rzs.itesm.mx> <ghazi.05gp@wizofhoz.uucp> <1992Nov17.134709.12449@rz.uni-karlsruhe.de> <7473@stan.xx.swin.oz.au>
- Organization: Not an Organization
- Lines: 39
-
- In article <7473@stan.xx.swin.oz.au> h8eg083@stan.xx.swin.oz.au (Darren Gower) writes:
- >In <1992Nov17.134709.12449@rz.uni-karlsruhe.de> ry53@rz.uni-karlsruhe.de (Angela Schmidt) writes:
- >
- >[...]
- >>Yesterday, I replaced the 68EC030/40 of my A530 by an 68030/50. It
- >>works rather fine. Enforcer runs, but I have a bit trouble with
- >>SetCPU KICKROM, which resets the machine, but does not bring up
- ^^^^^^^^^^^^^^^^^
- >>the new kickstart. But the reason may be my nonstandard system:
- >[...]
- >
- >>|> Why not? I put a MMUed 030 on my VXL, which also ships with the
- >>|> EC as standard. They are pin for pin compatible, you may have to reset a
- >>|> few jumpers on the GVP, but it shouldn't cause any problems, all you are
- >>|> doing is giving yourself an MMU.
- >
- >>It works without resetting any jumpers.
- >
- >In the manual for the A530, there is talk of jumpers which control
- >the 'emulation' of MMU functionality to allow the ROM to be shadowed
- >into 32bit ram. To use the MMU '030, it talks of having to short
- >(or close?) a set of jumpers on the motherboard, which disables the
- >on-board 'GVP MMU' (such that it is ...). Could this explain your
- >problems with setcpu not working properly?
- >
-
- Along with setting those jumpers I think the other major problem
- with his His SetCPU option is it should be SetCPU FASTROM, KICKROM is for
- loading a kickstart file into fast ram I do believe.
-
- --
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