luckybob wrote on 2025-12-10, 20:32:

i would fix the cpu running at 120mhz before I scrutinize any other test. The CD speed is actually a blessing. 8x drives run nice and quiet, having your disk spin up and down to 48x is annoying. I'd personally leave it be, unless you intend to dump 100 disks from cd to your hard drive.

Well said, i'm agree 😀

bertrammatrix wrote on 2025-12-10, 20:56:

That Speedsys cpu score would be accurate even if the processor detection / frequency was not, hence I would trust it is running at 120mhz

No wonder you have low performance for a 200, if it's not a 200 😀 Should it be? Ie does it have a 200 CPU inserted?

Yes, i put a pentium 200 in it. Originally was a pwnrtium 120, and i swapped the processors, but bios and benchmarks still sees the pentium 120... and i don't know how to change it.

Señor Ventura wrote on 2025-12-10, 23:18:

Well said, i'm agree :) […]
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luckybob wrote on 2025-12-10, 20:32:

i would fix the cpu running at 120mhz before I scrutinize any other test. The CD speed is actually a blessing. 8x drives run nice and quiet, having your disk spin up and down to 48x is annoying. I'd personally leave it be, unless you intend to dump 100 disks from cd to your hard drive.

Well said, i'm agree 😀

bertrammatrix wrote on 2025-12-10, 20:56:

That Speedsys cpu score would be accurate even if the processor detection / frequency was not, hence I would trust it is running at 120mhz

No wonder you have low performance for a 200, if it's not a 200 😀 Should it be? Ie does it have a 200 CPU inserted?

Yes, i put a pentium 200 in it. Originally was a pwnrtium 120, and i swapped the processors, but bios and benchmarks still sees the pentium 120... and i don't know how to change it.

There must be multiplier/ fsb jumpers on the motherboard, you should be able to find something online though in an IBM I'd almost expect it in the case or printed on the motherboard

Señor Ventura wrote on 2025-12-10, 23:18:

Yes, i put a pentium 200 in it. Originally was a pwnrtium 120, and i swapped the processors, but bios and benchmarks still sees the pentium 120... and i don't know how to change it.

Here is information about the mainboard: https://theretroweb.com/motherboards/s/intel-advanced-mn-oem
There is a PDF-documentation, too (see Jumper Manual there: https://theretroweb.com/motherboard/manual/33957.pdf), it shows only frequencies up to 100 MHz (66 x 1,5).
It seems to be so, that only a Multiplier of 1,5x is possible. If so, I just wonder how your CPU does 120 MHz (= 60 MHz x 2,0)....Maybe your mainboard-revision is another one (more modern) than the shown revision Type G-1 on The Retroweb

luckybob wrote on 2025-12-10, 20:32:

i would fix the cpu running at 120mhz before I scrutinize any other test. The CD speed is actually a blessing. 8x drives run nice and quiet, having your disk spin up and down to 48x is annoying. I'd personally leave it be, unless you intend to dump 100 disks from cd to your hard drive.

I don't like going over 16x, depending on the drive. 8x is always a safe bet for minimal noise.

feipoa wrote on 2025-12-12, 09:03:

luckybob wrote on 2025-12-10, 20:32:

i would fix the cpu running at 120mhz before I scrutinize any other test. The CD speed is actually a blessing. 8x drives run nice and quiet, having your disk spin up and down to 48x is annoying. I'd personally leave it be, unless you intend to dump 100 disks from cd to your hard drive.

I don't like going over 16x, depending on the drive. 8x is always a safe bet for minimal noise.

Agreed, especially, since it is then often able to sustain that speed and not spin up/down indefinately.

Señor Ventura wrote on 2025-12-10, 23:18:

Yes, i put a pentium 200 in it. Originally was a pwnrtium 120, and i swapped the processors, but bios and benchmarks still sees the pentium 120... and i don't know how to change it.

Here is another version of an IBM-Aptiva-2144-board, maybe this is your mainboard: https://stason.org/TULARC/pc/motherboards/I/I … 8-TYPE-H-2.html
The CPU-multi can be changed to 2,5x, so you can reach 166 MHz. You also can try other (undocumented) jumper-configurations of JP3 than the showed ones for 1,5x/2,0x/2,5x

gonzo wrote on 2025-12-13, 15:15:

Señor Ventura wrote on 2025-12-10, 23:18:

Yes, i put a pentium 200 in it. Originally was a pwnrtium 120, and i swapped the processors, but bios and benchmarks still sees the pentium 120... and i don't know how to change it.

Here is another version of an IBM-Aptiva-2144-board, maybe this is your mainboard: https://stason.org/TULARC/pc/motherboards/I/I … 8-TYPE-H-2.html
The CPU-multi can be changed to 2,5x, so you can reach 166 MHz. You also can try other (undocumented) jumper-configurations of JP3 than the showed ones for 1,5x/2,0x/2,5x

No, this isn't, i already solved the problem, there is another jumper near the riser, far from the jp10 and jp11. Now i got the pentium at its 200mhz, althoug bios is being a little bit problematic with this, but it fits in its own thread...

Grand prix 2 can run now at 14 to 17 fps with all the high end comfiguration (except mirrors), so, not bad.
Grand prix 3 is clearly slow in software, maybe 3 or 4 fps, right now i can't use the voodoo with this game until i don't install its proper patch.
Tomb raider 2 is smoooooooooth even in software renderer at 320x200 and 320x240... playable at 400x300, and a biy too much at 540x360??... all not windowed. I remember when i played with my old pentium 133mhz, and was really unplayable until i played in a window.

Happy enough for now... 😀

Señor Ventura wrote on 2025-12-13, 16:22:

Happy enough for now... 😀

You can try to install more L2-cache (if possible), or see if the 64 MB of RAM are all cacheable using only 256 KB L2.
Also, you can try a Voodoo 2 instead of the Voodoo 1, or a Nvidia Geforce 2 MX instead of your current 2D/3D-VGA-combination.
The Pentium 200 (even without MMX) is a good CPU for its class.
Also, you can try a socket-interposer providing dual-voltage for the CPU to replace the P200 with a Pentium 233 MMX (as this CPU handles a 1,5x-multi internally as 3,5x, you will got 233 MHz). Maybe you are lucky and the BIOS can boot with MMX-CPUs.
Another option could be to use a faster clocked IDT-Winchip2-CPU (= second generation of the Winchip) with MMX-extension.
More modern CPUs like AMD K6-2/III will probably not work because of the missing BIOS-recognition (even using socket-interposer providing dual-voltage), I think.

gonzo wrote on 2025-12-16, 22:30:

You can try to install more L2-cache (if possible), or see if the 64 MB of RAM are all cacheable using only 256 KB L2. Also, you […]
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Señor Ventura wrote on 2025-12-13, 16:22:

Happy enough for now... 😀

You can try to install more L2-cache (if possible), or see if the 64 MB of RAM are all cacheable using only 256 KB L2.
Also, you can try a Voodoo 2 instead of the Voodoo 1, or a Nvidia Geforce 2 MX instead of your current 2D/3D-VGA-combination.
The Pentium 200 (even without MMX) is a good CPU for its class.
Also, you can try a socket-interposer providing dual-voltage for the CPU to replace the P200 with a Pentium 233 MMX (as this CPU handles a 1,5x-multi internally as 3,5x, you will got 233 MHz). Maybe you are lucky and the BIOS can boot with MMX-CPUs.
Another option could be to use a faster clocked IDT-Winchip2-CPU (= second generation of the Winchip) with MMX-extension.
More modern CPUs like AMD K6-2/III will probably not work because of the missing BIOS-recognition (even using socket-interposer providing dual-voltage), I think.

Results right now (unlocking the p200, and from DOS):
-Quake demo 320x200 34.4fps.
-Quake demo 360x480 14.3fps.

P.D: entering windows 90, and shutdows the system under Dos mode is pure Dos?.

Next benchmark installing uniVBE for DOS and win9x.

Edit: just the same as before without uniVBE, but now i can choose higher resllutions, and I think it performs now something between 4 to 5 fps at 800x600.