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Re: MSI 9105 only one cpu recognised

Posted on 2023-04-02, 16:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

But on PC Health status screen of the bios I see both CPUs. When I only have one CPU installed I see voltage readings for both CPUs. This is expected as the voltage is still present the SIO chip will report it. Post the [Machine] screen shot. If you remove the 2nd CPU what does [Machine] report for …

Re: MSI 9105 only one cpu recognised

Posted on 2023-04-02, 16:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Same story, only one cpu show up at post, but the voltage reading is there inside the bios. When I only have one CPU installed I see voltage readings for coth CPUs. This is expected as the voltage is still present the SIO chip will report it. On AIDA64 I see both processors but one is “disabled by …

Re: Best isa gpu? [solved]

Posted on 2023-04-02, 15:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Nevertheless, S3 isn't consistent in using that term. Yes, I posted sections from two datasheets partly to show this and also to show the 86C924 had ISA + ESIA modes. We will have to live with inconsistent names in 20+ year old data sheets, I am far more interested in getting S3 86Cnnn datasheets …

Re: Best isa gpu? [solved]

Posted on 2023-04-02, 15:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Am I wrong somewhere? Yes, it's the MODE the GPU is operating in. It can be in PCI mode or VLB mode and as to what is connected to does not matter. Yet again on the [GPU Information] panel SIV is reporting the GPU mode and nothing more. It is not saying anything about the motherboard chipset. Were …

Re: Best isa gpu? [solved]

Posted on 2023-04-02, 15:05

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There is no such as local PCI. The "local" meaning is nonsense. VESA local bus is correct in long, VLB in short and is designed for 486 and was designed by VESA committee back then. Please stick to industry standards terms. I am quoting what is in the S3 datasheet and clearly you need to tell S3 to …

Re: Best isa gpu? [solved]

Posted on 2023-04-02, 14:46

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The latter is more precise, because it doesn't imply that the VESA slot is used. Earlier posts make it clear the 86C764 is on the motherboard and not in a VESA slot at all, so why are you now talking about VESA slots? For a 86C764 GPU to be operating in VESA Local Bus mode clearly it does not need …

Re: Best isa gpu? [solved]

Posted on 2023-04-02, 14:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Consider replacing "VLB" with just "Local Bus" - it's impossible to tell apart VESA vs. Opti vs. onboard in software. I don't understand what this means, Local Bus could mean either of VESA Local Bus or PCI Local Bus , SIV is reporting the GPU not the motherboard chipset. The GPU chipset datasheet …

Re: Best isa gpu? [solved]

Posted on 2023-04-02, 13:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

kixs wrote on 2023-04-01, 10:02: Actually I get 17MB/s on VLB and 18MB/s on PCI bus. It's definitely not an ISA bus 😉 With hindsight I should have RTFM, I now have and from SIV 5.70 Beta-04 the bus type will be reported 😀

Re: Best isa gpu? [solved]

Posted on 2023-04-02, 10:06

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

PC-Engineer wrote on 2023-04-02, 07:02: HighColor with 16Bit up to 1280x1024. Thank you for the links and it's 1280 x 1024 x 16-bit colour that I would really like, there look to be NT4.00/3.51 drivers @ https://oemdrivers.com/graphics-s3-p86c928. Now I need to find one of those cards which I …

Re: Best isa gpu? [solved]

Posted on 2023-04-01, 11:04

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

kixs wrote on 2023-04-01, 10:02: Actually I get 17MB/s on VLB and 18MB/s on PCI bus. It's definitely not an ISA bus 😉 I just changed the CPU and it's still 18 MB/s, I wonder why you only see 17 MB/s, which CPU do you have? I don't think it can be PCI as the SiS 471 does not support PCI and SIV does …

Re: Best isa gpu? [solved]

Posted on 2023-04-01, 09:57

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

kixs wrote on 2023-04-01, 06:49: To get a feeling on what bus is connected try a Speedsys and the VGA transfer speed will indicate what it is Looks like it must be VLB and guess 18 MB/s is quite a respectable speed, is it?

Re: SIV detection of AMD Am486 or an Intel i486 from within Windows

Posted on 2023-03-31, 21:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Reserved for future use

SIV detection of AMD Am486 vs. Intel i486 from within Windows

Posted on 2023-03-31, 21:44

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

From SIV 5.70 Beta-03 I have been trying to better detect if a CPU is an AMD Am486 or an Intel i486. Below you can see this works with my two 486 CPUs, but wonder how SIV will do with others. My Intel DX2 CPU has CPUID which makes it easy to deal with and also means it's possible to deduce a CPU is …

Re: Detecting if a CPU is an AMD Am486 or an Intel i486 from within Windows

Posted on 2023-03-31, 21:30

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Reserved for future use.

Re: Digital Venturis PSU type, Video DRAM chips and CPU Upgrade Options

Posted on 2023-03-31, 20:46

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

https://theretroweb.com/motherboards/s/dec-venturis-486-433-ver.-1.0 That board is confusing. SIS ISA/VLB chipset, but https://vgamuseum.info/index.php/companies/item/581-diamond-stealth-se-s3-trio32 https://manx-docs.org/collections/mds-199909/cd2/pc/a0813svb.pdf VENTURIS 486 Full Profile Models …

Re: Digital Venturis PSU type, Video DRAM chips and CPU Upgrade Options

Posted on 2023-03-31, 20:39

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

But how can we be sure that it is ISA then? I'm sure it is local bus then. I guess we can't, I assumed it was ISA and there are no VLB slots on the motherboard. I just searched the Venturis 486 PC Service Maintenance Manual (EK-A0813-SV. B01) for VLB and it was not found. The PCI ID is actually …

Re: Best isa gpu? [solved]

Posted on 2023-03-31, 19:21

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

But how can we be sure that it is ISA then? I'm sure it is local bus then. I guess we can't, I assumed it was ISA and there are no VLB slots on the motherboard. I just searched the Venturis 486 PC Service Maintenance Manual (EK-A0813-SV. B01) for VLB and it was not found. The PCI ID is actually …

Re: Best isa gpu? [solved]

Posted on 2023-03-31, 19:03

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

kixs wrote on 2023-03-31, 18:50: I wanted a photo of the card as I never heard Trio64 would support ISA bus. Only VLB and PCI. It's on the motherboard.

Detecting if a CPU is an AMD Am486, AM5x86 or an Intel i486 - general advice

Posted on 2023-03-31, 18:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Detecting if a CPU is an AMD Am486, AM5x86 or an Intel i486 is tricky, discuss.

Re: Best isa gpu? [solved]

Posted on 2023-03-31, 17:20

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'll have to dig it out and build a system to put it in. I'll try to check this weekend and report back. Thank you, that would be great. I checked my PCI one on a Pentium Pro 233 system running Windows XP, but as I recall ISA GPUs are not supported on XP. As I have NT 4.00 SP6a ideally use NT 4.00 …

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