A4000 questions

[R2D2]

Okay I'll do that. Just not right now since I'm too drunk.. :-)

[R2D2]

Instant Remedy rules! At least when I'm this drunk.  :-D

[patrik]

@Ilwrath:

A graphics card will not use space from the motherboardmemory-area of an A4000.

The A4000 will map ZorroIII cards somewhere in the address-space 0x10000000 to 0x80000000 which is reserved for ZorroIII-cards whilst the motherboard memory is configured somewhere in the address-space 0x01000000 to 0x08000000 which is reserved for motherboard resources so they wont use space from eachother .

If the computer was an A2000 which has 24-bit addressing a graphics card would limit the maximal amount of Fast-RAM. The CV64/3D should for example limit the maximum Fast-RAM from 8MB to 4MB if it doesnt use any memorybank-switching or similar technique.


/Patrik

[Ilwrath]

The A4000 will map ZorroIII cards somewhere in the address-space 0x10000000 to 0x80000000 which is reserved for ZorroIII-cards whilst the motherboard memory is configured somewhere in the address-space 0x01000000 to 0x08000000 which is reserved for motherboard resources so they wont use space from eachother .

Hmm... Correct you are.  According to sysinfo on my A4000, I have my CHIP and motherboard FAST under 0x08000000.  Then I have my CyberStorm mk2 at 0x08000020-0x0C000000.  While my CV3d is way out at 0x40000000.  

Yet, when I boot, I come up short 5MB of ram.  (1 for my kick, and 4MB for the CV3D.)  

Of course, when I boot with no startup, I have all my RAM.  Ooops.... Disregard my comment about jumpers.  Hmm, the memory allocation must be something the CyberGraphX software does.  Whoever said SOFTWARE ERROR may be on to something, after all.  ;-)  Chalk up that mistake to my bad memory.  haha!  Sorry 'bout that.

[Castellen]

Make sure you don't have both P96 and CyberGFX installed at the same time.
I've seen that cause nasty problems, they don't seem to like each other :-)

[darksun9210]

the CV64/3D allocates itself 256Mb of space in the Zorro3 address area.
the card itself doesn't have ANY jumpers on it at all. the only pins are the small block of 8/9 at the front of the card (for factory use only) and the philips scenic highway bus (for Mpeg decoders, video digitizers etc.).... oh wait, i think there is one jumper, but its only if the cards Zorro2/3 autosensing didn't work and it just locks the card into Zorro2 mode. so as you have an A4000/030 (which properly supports Zorro3 data burst)  you dont need to worry about that, and should get a nice transfer rate to the card.

anyway, if you boot with no startup sequence, then the machine isn't loading the drivers, setting up the screen space, etc etc. in fast ram, so you will probably find yourself with about 4Mb extra.

on a full boot, then yes you will loose about 4Mb of RAM for screen space, and drivers etc.  basicly it sounds to me like you need to have a play about and sort out what monitor you need to use out of CGXMode. as at the moment it sounds like you are using someone else's preconfigured monitor definitions, or like you are using a CGX monitor driver that is not right for your monitor.

[downix]

@bloodline

Actually you *can* touch it, if you have an 8MB simm in the chipram slot.  But it will only address 2MB of it.

Neat trick I found out one night on a friend of mines A4000.