Post subject: Re: Chicago RAM Limit? Posted: Tue Jun 12, 2012 5:31 am
Amateur Beta Collector
Joined Wed May 02, 2012 12:57 am
Favourite OS Windows NT 3.x
Doesn't Windows 95 RTM have a 256 MB limit anyway (due to himem.sys limits)? If so, Chicago shouldn't have a problem with this much memory, even though it won't be able to detect much of it, but I haven't tested it.
Post subject: Re: Chicago RAM Limit? Posted: Tue Jun 12, 2012 6:43 am
Amateur Beta Collector
Joined Mon Oct 25, 2010 11:32 pm
Location My pants.
Favourite OS Windows 98 Second Edition
To put it in perspective, I had a system with an AMD Athlon X2 5000+ and a 8400GS graphics card that ran Windows 98, but choked on installing any drivers that gave it half-reasonable performance. I ran it on 640x480 with no drivers for a day or so before upgrading to XP and giving it up as a lost cause. That generation of Athlons is just too new for old tech like the DOS-based Windows OS to run, and I daresay the chipset will trip it up as well.
If I were you, I'd be installing Virtual PC 2k4/2k7 and running it on that. Chicago was unstable, slow and buggy enough on real hardware, so I wouldn't be too concerned about performance losses on VMs. I suppose you could try DOSbox too, if you want something different.
However, it's worth noting that the early builds of Chicago have more in common with Windows 3.x than Windows 4.x, so if you really do want to run it on a physical PC (which, I reiterate, would be a pretty bad idea...), your best bet, as z180 said, is to install a DOS like FreeDOS, and install 3.1 before trying an upgrade. Keep in mind you'll need to tweak the MaxPhysPage setting in SYSTEM.INI (which can be done by following the steps here). Start it off with the value at 20000, then try 10000, and keep going down from there. If you get it booting, great. If not... well, don't say we didn't warn you
Oh, and back up your data before you try anything if you haven't already. Chicago's an old OS but it is still a beta, and it's better to be safe than sorry.
Post subject: Re: Chicago RAM Limit? Posted: Sun Jul 22, 2012 6:13 pm
Newbie Beta Collector
Joined Tue Jul 12, 2011 12:10 am
Favourite OS Longhorn 5048
Hi. I just got an 80GB IDE HDD from my friend and wanted to test Chicago's on my PC. Specs: AMD Athlon 64 x2 3000+ 2.00 GHz 2.00 GB RAM NVidia 9400GT 512Mb 500GB SATA2 HDD, 80GB IDE HDD
Is there a RAM limit? I have 2 pieces 1 GB each so that i can remove one and limit the RAM to 768 MB min. by putting an onboard GPU.
I think that both Windows 3.1x and Early Chicago Builds require you to use 256MB of RAM.
3.1x doesn't require 256mb of memory. I'm running it on VPC2004 with 32mb and it works just fine. I'd say 128mb for chicago is o.k., since it's very close to 3.1x yet has a different UI.
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Post subject: Re: Chicago RAM Limit? Posted: Mon Jul 30, 2012 8:50 am
Guru Beta Collector
Joined Sun Dec 30, 2007 8:12 am
You have to remember that when chicago and win95/98 were coming out, the usual config was something in the order of 10's of MB. A box with something like 128 MB was a fairly fancy peice of kit.
Windows 3.1 is designed to run less than 1 GB ram. Usually, this restriction is imposed by DOS's emm386.exe (which limits to 64 MB, i think). You have to diddle the 'PageOverCommit=' in system.ini[386enh] section, to reduce the value from the default 4 to something like 2. POC is responsible for doing things like setting the swapper file so that swapper + memory = poc × memory.
Windows 95 isn't designed for that. For the sort of kit you have i'd recommend something more modern, like win98se.