CSA Mega Midget Racer and HD mask question

[mechy]

I am putting together my "utlimate A500", so far so good but I have some questions.

    - A500 rev6 with 1MB chipram hack and A501 512kb ram card or a KCS powerpc board
    - CSA mega midget racer with 8MB fastram and the maprom option
    - Alfa Data kickstartswitch 1.3 - 3.1
    - A590 with 1GB scsi drive and 2MB fastram
    - Dell external high density diskdrive
    - MV1200 external scandoubler / ff
    - Switch to swap Df0: with Df1: to boot from an external drive.

    The questions ... to get the ram working with fast file system, I should ad a mask in devs/mountlists according the CSA manual. How do I do that in OS3.1 ? see section 9 of the manual.
    http://amiga.resource.cx/manual/Mega-Midget_Racer.pdf

    I got it working by changing the MASK in with HDtoolbox but now I have DH1: NDOS ... fixed with Disksalv3 but I guess that's not the way to do it ?

    I also have this ramupgrade ( picture 3 ) that I maybe want to put in there if it is any good ? I can't find the model or manufacturer but the A500 kick 1.2 that I found it in showed 2Mb ram in workbench 1.3. So what am I going to see when I put it in my A500 ? I could test it but then I have to remove the CSA, I rather don't to that if not needed.

I might be wrong here, but the mega-midget racer ram will have to be mapped as 32bit ram outside of zorro2 space(which it should be anyway) or else the additional ram board that goes in the belly slot will conflict since it maps ram to the  zorro2 space.

[mechy]

read the manual section 9 ... you will understand.

CSA Mega Midget ram does not autoconfigure. It needs a line in the startup-sequence.

I do have a GVP harddrive somewhere, I think that does take 8Mb. The A590 max 2Mb I think.

the gvp is likely faster than the 590 and does take 8MB ram,(590 can use 2MB ram)which goes in zorro2 space, so in theory it should live with the mega midgets 8MB that is 32bit.
You would be better off with the gvp +8mb than the 2Mb ram in the belly slot with the other card

[mechy]

Very nice.  The idea of a "lowly A500" with the same amount of RAM as an A3000 always appealed to me.    2MB chip upgrades usually appear on ebay pretty frequently for around $100-ish, or you could try asking on Amibay.  Sometimes sourcing a used A2000 will score you one, as well (better if the person selling doesn't realize it has one).  Good luck!

The CSA Derringer takes 32MB simm and its mapped as 32bit ram.