Search found 473 matches

by ppgrainbow
Tue 03 Mar, 2020 8:25 am
Forum: General
Topic: Garbled/Double-Playing Audio
Replies: 5
Views: 696

Re: Garbled/Double-Playing Audio

CryptidWorks wrote:
Tue 03 Mar, 2020 7:53 am
ppgrainbow wrote:
Tue 03 Mar, 2020 7:27 am
Have you updated to PCem v15 yet? Just curious to ask.
Yes, and in fact you can see in the title bar there it's V15
Thank you for the clarification. Let's hope that the bug in question gets fixed soon.
by ppgrainbow
Tue 03 Mar, 2020 7:27 am
Forum: General
Topic: Garbled/Double-Playing Audio
Replies: 5
Views: 696

Re: Garbled/Double-Playing Audio

Have you updated to PCem v15 yet? Just curious to ask.
by ppgrainbow
Fri 17 Jan, 2020 1:45 am
Forum: General
Topic: Need for Speed: Special Edition black screen hang when running installer
Replies: 17
Views: 2386

Re: Need for Speed: Special Edition black screen hang when running installer

As far as I know is not allowing EMM386 expanded memory driver in order to run The Need for Speed SE the reason why Electronic Arts dropped MS-DOS support completely in later versions of The Need for Speed?
by ppgrainbow
Tue 14 Jan, 2020 6:14 pm
Forum: General
Topic: Need for Speed: Special Edition black screen hang when running installer
Replies: 17
Views: 2386

Re: Need for Speed: Special Edition black screen hang when running installer

Xanarki wrote:
Tue 14 Jan, 2020 5:43 pm
I edited my post. Abandonware (such as this particular release) isn't allowed either? I could understand something still copyright-protected.
Thank you for editing your post. Abandonware is not allowed here as it contains copyrighted material.
by ppgrainbow
Tue 14 Jan, 2020 4:38 pm
Forum: General
Topic: Need for Speed: Special Edition black screen hang when running installer
Replies: 17
Views: 2386

Re: Need for Speed: Special Edition black screen hang when running installer

Please don't posting links to copyrighted material per admin rules. It'll get removed as soon as the admin sees it.
by ppgrainbow
Sun 01 Dec, 2019 10:29 pm
Forum: General
Topic: Multi-Thread Emulation?
Replies: 2
Views: 1077

Re: Multi-Thread Emulation?

PCem (and its forked variants) can only emulate a single core, single threaded processor. It's not possible to emulate multiple cores or threads.

VMware and VirtualBox are capable of virtualising a guest PC with multiple CPUs as they can be treated as multiple cores/threads on the host PC.
by ppgrainbow
Sun 29 Sep, 2019 4:34 am
Forum: General
Topic: v13-v15 problem with iso image larger than 2GB
Replies: 11
Views: 3145

Re: v13-v15 problem with iso image larger than 2GB

PCem v12 is outdated and any issues related to that release won't get fixed as we're on v15 now. I'd stick with ISO less than 700 MB.
by ppgrainbow
Sun 29 Sep, 2019 3:13 am
Forum: General
Topic: v13-v15 problem with iso image larger than 2GB
Replies: 11
Views: 3145

Re: v13-v15 problem with iso image larger than 2GB

yochenhsieh wrote:
Sun 29 Sep, 2019 2:41 am
Thank you very much for this clarification.:)
You're welcome. :)
by ppgrainbow
Sun 29 Sep, 2019 12:50 am
Forum: General
Topic: v13-v15 problem with iso image larger than 2GB
Replies: 11
Views: 3145

Re: v13-v15 problem with iso image larger than 2GB

So... In pcem v12: Any size images are supported. In pcem v13 and later: Only support image size smaller than 2GB. Is above statement correct? Thank you. This statement is correct. A 700 MB CD-ROM ISO supports up to 360,000 sectors at 2 KB per sector for a total of 737,280,000 bytes in which it tra...
by ppgrainbow
Sat 28 Sep, 2019 6:22 pm
Forum: General
Topic: v13-v15 problem with iso image larger than 2GB
Replies: 11
Views: 3145

Re: v13-v15 problem with iso image larger than 2GB

The maximum size for a CD ISO image is 700 MB. PCem does not support DVD images at this time.
by ppgrainbow
Sat 28 Sep, 2019 11:42 am
Forum: General
Topic: OS/2 PM shell on NT 3.51
Replies: 5
Views: 2041

Re: OS/2 PM shell on NT 3.51

Uh oh! That's not good. :(

I'm wondering what is causing the general protection violation...
by ppgrainbow
Fri 27 Sep, 2019 7:26 pm
Forum: General
Topic: OS/2 PM shell on NT 3.51
Replies: 5
Views: 2041

Re: OS/2 PM shell on NT 3.51

SA1988 wrote:
Fri 27 Sep, 2019 7:17 pm
As said above, anything that uses the dynarec, even Pentium boards.
Screenshot is here:

Image
That doesn't sound too good. :(

I can't seem to view the screenshot on SeaMonkey 2.48.5, but can see it under Firefox 69.0.1.
by ppgrainbow
Thu 26 Sep, 2019 8:01 pm
Forum: General
Topic: OS/2 PM shell on NT 3.51
Replies: 5
Views: 2041

Re: OS/2 PM shell on NT 3.51

Can I have a screenshot and what configuration that you used to run the OS/2 Presentation Manager subsystem shell under Windows NT 3.51?
by ppgrainbow
Tue 17 Sep, 2019 2:14 am
Forum: General
Topic: What computer processor to emulate pentium mmx and up with PCem well?
Replies: 20
Views: 7540

Re: What computer processor to emulate pentium mmx and up with PCem well?

The current PC that I'm using is barely capable of emulating a Pentium MMX processor. I'm only lucky to emulate up to a 66MHz 486DX2 with the dynamic recompiler enabled or a 66 MHz Pentium.
by ppgrainbow
Sun 08 Sep, 2019 5:48 pm
Forum: General
Topic: [SOLVED] Navratil Software System Information locks up; errors on reboot
Replies: 1
Views: 2187

Re: [SOLVED] Navratil Software System Information locks up; errors on reboot

Okay, problem has been solved I had to use the EMM386 driver to exclude regions C000 to DFFF where the ESDI hard disk controller is installed. Here's a screenshot: Screenshot from 2019-09-08 10-44-36.png As for the 305, 301 and 8602 errors, this needs to be investigated on what could be causing this...
by ppgrainbow
Tue 03 Sep, 2019 7:21 am
Forum: Patches
Topic: [Patch] Dell Dimension XPS 466V & Dell Dimension XPS 4100V
Replies: 9
Views: 4431

Re: [Patch] Dell Dimension XPS 466V & Dell Dimension XPS 4100V

Dell Dimension XPS 4100V & XPS 466V Minitower http://web.archive.org/web/19961222131403/http://www.dell.com/support/tech/DTA/XPS2T/default.htm Specifications: Dell Dimension XPS 4100V & XPS 466V http://web.archive.org/web/19970225131459/http://www.dell.com/support/tech/DTA/XPS2T/00000001.htm Thank ...
by ppgrainbow
Tue 03 Sep, 2019 1:33 am
Forum: Patches
Topic: [Patch] Dell Dimension XPS 466V & Dell Dimension XPS 4100V
Replies: 9
Views: 4431

Re: [Patch] Dell Dimension XPS 466V & Dell Dimension XPS 4100V

Do you have any idea what chipsets these machines use? http://vintagecomputer.net/dell/Dimension_XPS-466V/Dell_Dimension-XPS-466V_486-CPU.jpg Here it seems to be the chipset of the XPS 466V. It has to be one of the chipsets already emulated, as there is no new chipset in this patch Thank you for th...
by ppgrainbow
Mon 02 Sep, 2019 9:38 pm
Forum: Patches
Topic: [Patch] Dell Dimension XPS 466V & Dell Dimension XPS 4100V
Replies: 9
Views: 4431

Re: [Patch] Dell Dimension XPS 466V & Dell Dimension XPS 4100V

Do you have any idea what chipsets these machines use?
by ppgrainbow
Mon 02 Sep, 2019 9:33 pm
Forum: General
Topic: [SOLVED] Navratil Software System Information locks up; errors on reboot
Replies: 1
Views: 2187

[SOLVED] Navratil Software System Information locks up; errors on reboot

I'm currently testing the utility called Naratil Software System Information on the emulated IBM PS/2 Model 80 and when this utility attempts to detect the two ESDI formatted hard drives, the emulated machine locks up hard. Here's the emulated screenshot of what the machine is trying to detect: Scre...
by ppgrainbow
Sat 31 Aug, 2019 3:48 am
Forum: General
Topic: IBM PS/1 2133
Replies: 2
Views: 1604

Re: IBM PS/1 2133

This is because that machine is not supported under the current version of PCem for which it hasn't been updated since its v15 release on May 19, 2019.
by ppgrainbow
Sun 21 Jul, 2019 12:38 am
Forum: General
Topic: MS-DOS Starter Pack
Replies: 8
Views: 3539

Re: MS-DOS Starter Pack

Thanks! I can' install DOS and the drivers easily without the use of a starter pack. :)
by ppgrainbow
Sun 21 Jul, 2019 12:27 am
Forum: General
Topic: MS-DOS Starter Pack
Replies: 8
Views: 3539

Re: MS-DOS Starter Pack

Oh, okay. Thank you for the clarification and I'm sorry for misunderstanding. I didn't know that your pack only included drivers.
by ppgrainbow
Sun 21 Jul, 2019 12:17 am
Forum: General
Topic: MS-DOS Starter Pack
Replies: 8
Views: 3539

Re: MS-DOS Starter Pack

(comment edited)

Thank you for the clarification.
by ppgrainbow
Tue 02 Jul, 2019 3:00 am
Forum: Development
Topic: Weird ram problem
Replies: 7
Views: 5062

Re: Weird ram problem

It was not until at least 1999 or 2000 when Pentium III came out and 32 MB to 128 MB of RAM became more common and by 2003, 256 MB to 512 MB became more comment also. If you're using the DataExpert OPTi-495SX-based AMI 386 or a ALi-1492-based AMI 486, anything more than 64 MB will not be detected by...
by ppgrainbow
Fri 21 Jun, 2019 4:09 pm
Forum: General
Topic: Is it possible to boot a guest from usb?
Replies: 15
Views: 5775

Re: Is it possible to boot a guest from usb?

abk4523 wrote:
Fri 21 Jun, 2019 4:02 pm
I know. It worked pretty well for a while but the laptop eventually started locking up after logging in.
It would only work if the processor was at least a Pentium Overdrive. :p
by ppgrainbow
Fri 21 Jun, 2019 3:46 pm
Forum: Development
Topic: Weird ram problem
Replies: 7
Views: 5062

Re: Weird ram problem

orarsis81, On a 386 which PCem emulates, the motherboard which uses the OPTi-495SX chipset, the RAM is actually limited to 32 MB , not 256 MB. The AMI BIOS (dated June 6, 1992) will NOT even recognise more than 64 MB and will not even POST if the RAM is manually set to anything higher than 655,296 ...
by ppgrainbow
Fri 21 Jun, 2019 1:55 pm
Forum: Development
Topic: Weird ram problem
Replies: 7
Views: 5062

Re: Weird ram problem

orarsis81, On a 386 which PCem emulates, the motherboard which uses the OPTi-495SX chipset, the RAM is actually limited to 32 MB , not 256 MB. The AMI BIOS (dated June 6, 1992) will NOT even recognise more than 64 MB and will not even POST if the RAM is manually set to anything higher than 655,296 KB.
by ppgrainbow
Fri 21 Jun, 2019 1:49 pm
Forum: General
Topic: Is it possible to boot a guest from usb?
Replies: 15
Views: 5775

Re: Is it possible to boot a guest from usb?

abk4523 wrote:
Fri 21 Jun, 2019 11:48 am
I may have misremembered something. I installed Windows Xp on a 486dx2 laptop from cd, but I don't remember if I used a Windows 98 boot disk.
Windows XP is not compatible with processors older than a Pentium processor, because it hard requires CMPXCHG8B and CPUID instructions.
by ppgrainbow
Thu 20 Jun, 2019 9:09 pm
Forum: General
Topic: Is it possible to boot a guest from usb?
Replies: 15
Views: 5775

Re: Is it possible to boot a guest from usb?

PCem has no support for USB devices at this time. You can only boot from ATAPI or SCSI CD-ROM or Iomega ZIP drives.

If you want to boot a guest OS from USB, you can place the hard disk image, CD-ROM ISO or Iomega ZIP onto a USB device and boot it from there.
by ppgrainbow
Wed 19 Jun, 2019 6:27 pm
Forum: General
Topic: Possiblity of implementing cache emulation
Replies: 14
Views: 5427

Re: Possiblity of implementing cache emulation

ppgrainbow, it might be not feasible to put it to PCem, but its not a joke, there always was hudge performance impact where ex. celeron 300 and 300a with difference in L1cache speed. pentium 1 and MMX also did vary with L1 cache and speed difference was also not small at all. Sorry for getting rile...