Well I don't like to break in on your nice little discussion of the latest operating systems but I doubt that it has much to do with the original question.
The issue was about why an elderly computer designed to handle USB1 could not achieve USB2 speeds, even though a USB2 interface board had been fitted.
The speed of any transfer is always limited by the slowest part of the data path which could be a function of either hardware or software. Just because the path between interface board and accessory can achieve USB2 speeds does not mean that you will achieve that speed all the way from the computer internal memory. To achieve USB2 throughput there were major speed improvements to the bridge architecture within the processor and the chips that handle the PCI bus. There were probably changes to the BIOS too to support the 2 DMA interrupts of USB2 rather than the single one that USB1 needed. Remember that computer hardware speeds were doubling every 18 months, and that is not just the processor. It is all the chips in there.
I would imagine that the necessary upgrades to the operating system for USB2 were already in place in kernel 5.0 (windows 2000) and definitely by 5.1 (Windows XP). So the idea that the changes from 6.0 to 6.1, Vista to Windows 7, will have much effect on USB2 speed does seem pretty unlikely to me.
I think you need to upgrade the computer not the operating system.
The issue was about why an elderly computer designed to handle USB1 could not achieve USB2 speeds, even though a USB2 interface board had been fitted.
The speed of any transfer is always limited by the slowest part of the data path which could be a function of either hardware or software. Just because the path between interface board and accessory can achieve USB2 speeds does not mean that you will achieve that speed all the way from the computer internal memory. To achieve USB2 throughput there were major speed improvements to the bridge architecture within the processor and the chips that handle the PCI bus. There were probably changes to the BIOS too to support the 2 DMA interrupts of USB2 rather than the single one that USB1 needed. Remember that computer hardware speeds were doubling every 18 months, and that is not just the processor. It is all the chips in there.
I would imagine that the necessary upgrades to the operating system for USB2 were already in place in kernel 5.0 (windows 2000) and definitely by 5.1 (Windows XP). So the idea that the changes from 6.0 to 6.1, Vista to Windows 7, will have much effect on USB2 speed does seem pretty unlikely to me.
I think you need to upgrade the computer not the operating system.
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