Drastic difference in game with WinUAE 5 - Page 2

Seiya · 26 November 2023, 15:29

OCS with 1 MB Chip RAM i don't if not exit in real Amiga because in the past i was bought and expansion ram card for A500 that have 2 MB of Fast RAM to connect not on classic expansion slot, but on motherboard.

i have 2 options: 1 MB Chip RAM or 1,8 MB Fast RAM. I chose Fast RAM. But in the other case i would have OCS, kick 1.3 with 1 MB Chip RAM.

now has passed many years and the only doubt is if 1 MB Chip RAM and OCS would have required 1.3 or 2.0x

it was maybe similar to this one
https://amiga.resource.cx/exp/adram520

Mine board allow me to have 1 MB chip RAM but i have to made some complicated operation (maybe a solder) or to use with 2 MB Fast RAM (it was 1,8)

one day i have to open my A500 and watch what model exactly is

Rotareneg · 26 November 2023, 19:13

OCS Agnus could never use 1 MB of chip RAM. Later A500s (Rev 6A I think) came with an ECS Agnus, 8372A, that could use one megabyte of chip RAM even though the system still only came with 512kB. Kickstart 1.3 works with either one.

26 November 2023, 15:29	#21
Seiya Registered User Join Date: Nov 2014 Location: Italy Posts: 2,434	OCS with 1 MB Chip RAM i don't if not exit in real Amiga because in the past i was bought and expansion ram card for A500 that have 2 MB of Fast RAM to connect not on classic expansion slot, but on motherboard. i have 2 options: 1 MB Chip RAM or 1,8 MB Fast RAM. I chose Fast RAM. But in the other case i would have OCS, kick 1.3 with 1 MB Chip RAM. now has passed many years and the only doubt is if 1 MB Chip RAM and OCS would have required 1.3 or 2.0x it was maybe similar to this one https://amiga.resource.cx/exp/adram520 Mine board allow me to have 1 MB chip RAM but i have to made some complicated operation (maybe a solder) or to use with 2 MB Fast RAM (it was 1,8) one day i have to open my A500 and watch what model exactly is Last edited by Seiya; 26 November 2023 at 15:45.

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26 November 2023, 19:13	#22
Rotareneg Registered User Join Date: Sep 2017 Location: Kansas, USA Posts: 328	OCS Agnus could never use 1 MB of chip RAM. Later A500s (Rev 6A I think) came with an ECS Agnus, 8372A, that could use one megabyte of chip RAM even though the system still only came with 512kB. Kickstart 1.3 works with either one.

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