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Author Topic: Ancient Toys - a new site about Amiga games  (Read 6521 times)

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Offline Piru

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Re: Ancient Toys - a new site about Amiga games
« on: April 28, 2003, 09:51:57 PM »
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Akiko added for faster rendering and for videocd's... maybe I wrong..

Yes you are wrong. Akiko has nothing to do with vcd playback.

CD32 FMV -module is used for mpeg vcd playback.
 

Offline Piru

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Re: Ancient Toys - a new site about Amiga games
« Reply #1 on: April 28, 2003, 10:08:31 PM »
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but the thing with 020 and 8mb RAM aint right. You can buy Blizzard1220, wich is 20mhz 020 cpu on it. And that board can have 32mb FAST RAM. And how do you add 8mb RAM on Amiga 1200 mainboard at all without a turbo board? :)

You're wrong.

A) Stock A1200 has a 68EC020 cpu that can only address 24bit address space. This means total 16MB, but due to amiga memorymap structure, max 8MB is possible thru the expansion slot, unless if you have a CPU on the card as well.

B) Blizzard 1220 has a 68EC020 chip on it, too. So it can't have 32MB. In fact, the card is documented to take max 4MB (probably to avoid clashing with PCMCIA memory space).

C) There were dozens of memory only expansions built for A1200, most of them had a real time clock too (since it's missing on stock A1200). These cards take maximum 4 or 8 MB (8MB disables the PCMCIA slot though). Some cards had a provision for 68881/68882 FPU, too. These cards were quickly replaced by 68030 turbo cards.
 

Offline Piru

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Re: Ancient Toys - a new site about Amiga games
« Reply #2 on: April 29, 2003, 06:43:26 PM »
If we start nitpicking:

Ranger memory area can in theory address 1.75 MB. So maxed up expansion card could add 9.75 MB :-)