Señor Ventura wrote on 2025-10-31, 05:52:

Greetings... […]
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Greetings...

I was wondering about benefits of using a dedicated svga card instead of a integrated one. Mines are si 5598 (integrated), and s3 trio64+ (dedicated).

The doubt is about if it woths to waste an pci port for the s3, or if it's better to use the integrated sis 5598 and an pci ata 100 card.

Some thoughts?

Thanks in advance.

windows 3.1 drivers!! there is not for 5598

Señor Ventura wrote on 2025-11-21, 12:12:

dionb wrote on 2025-11-17, 13:43:

Wait a minute... are we talking about SiS 5511/2/3 + 6202 (the very first 'integrated' UMA chipset), or 5598 as mentioned in OP?

If 551x, the impact of UMA is bigger, as it has a rather slow EDO memory controller - and the performance of the 6202 is quite a bit slower than the 6326 integrated in the 5598, so the added value of a decent PCI card would be greater.

SIS 5598 is the integrated svga, and SIS 5513 is the motherboard's chipset.

Er, no.

The 5598 is a single-chip integrated chipset from late 1997, supporting SDRAM as well as (primitive slow) 3D on the integrated VGA, which is the core of the SIS 6236. If you have the 5598 (a big PGA chip with heatsink), you don't have any other major chips on the motherboard.

The 5513 is the I/O part of the 2.5 year older SiS 5511 chipset from early 1995, supporting EDO (slowly). The 5511/2/3 was the first PC chipset to support UMA, allowing a SiS 6202 or 6205 to be put on the board without its own memory. If you have the 5513 with 'integrated' VGA (it's still a separate chip even if it doesn't have its own memory) you have four large (LQFP) chips on the motherboard.

This is relevant to your question, as UMA on 5511/2/3 is absolutely awful as even without the CPU would be bottlenecking on the glacially slow memory controller and then half of that is lost to VGA.... First priority should be a dedicated VGA card. Whereas on the 5598 the SDRAM delivers more bandwidth than an So7 CPU knows what to do with, so integrated VGA can actually be a decent option if you lack PCI slots for everything you might want.

dionb wrote on 2025-11-21, 19:04:

Er, no. […]
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Señor Ventura wrote on 2025-11-21, 12:12:

dionb wrote on 2025-11-17, 13:43:

Wait a minute... are we talking about SiS 5511/2/3 + 6202 (the very first 'integrated' UMA chipset), or 5598 as mentioned in OP?

If 551x, the impact of UMA is bigger, as it has a rather slow EDO memory controller - and the performance of the 6202 is quite a bit slower than the 6326 integrated in the 5598, so the added value of a decent PCI card would be greater.

SIS 5598 is the integrated svga, and SIS 5513 is the motherboard's chipset.

Er, no.

The 5598 is a single-chip integrated chipset from late 1997, supporting SDRAM as well as (primitive slow) 3D on the integrated VGA, which is the core of the SIS 6236. If you have the 5598 (a big PGA chip with heatsink), you don't have any other major chips on the motherboard.

The 5513 is the I/O part of the 2.5 year older SiS 5511 chipset from early 1995, supporting EDO (slowly). The 5511/2/3 was the first PC chipset to support UMA, allowing a SiS 6202 or 6205 to be put on the board without its own memory. If you have the 5513 with 'integrated' VGA (it's still a separate chip even if it doesn't have its own memory) you have four large (LQFP) chips on the motherboard.

This is relevant to your question, as UMA on 5511/2/3 is absolutely awful as even without the CPU would be bottlenecking on the glacially slow memory controller and then half of that is lost to VGA.... First priority should be a dedicated VGA card. Whereas on the 5598 the SDRAM delivers more bandwidth than an So7 CPU knows what to do with, so integrated VGA can actually be a decent option if you lack PCI slots for everything you might want.

You're right, i put this in my mind, somehow, so sorry...

Clearly i have one 5511, 5512, and 5513, with another one 6205, so the need of a dedicated svga is even more clear now. That kills the last pci port to an ATA 100 card, and i forcedly need to use the ondrive software.

I'm reading that it can occupie between 1% and 3% of cpu time of my non mmx pentium 200, so my doubt is, Can i install modern 250GB hard drives? (i would prefer it to be new), What is the limit?.

Edit: i'm reading i can install 32 or 40GB hdd direct to the ide port, but i thought it only was 8GB.