Amiga.org
Amiga News and Community Announcements => Amiga News and Community Announcements => Amiga Hardware News => Topic started by: boing_net on December 31, 2002, 12:28:52 PM
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The Thylacine ZorroII USB Card now supports 100mbit ethernet (http://thylacine.boing.net/ethernet.html).
For more details please visit the Thylacine Website (http://thylacine.boing.net/).
Hope you all have a Happy New Year.
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does the speed in using a 100mbit usb ethernet on the thylacine really approach 100mbit?
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Hi,
does the speed in using a 100mbit usb ethernet on the thylacine really approach 100mbit?
Well thats like 10 Meg on a 16bit bus so hmmm, Nope
If it had a Z3 mode (Which I dont think it has) its only 5 meg which should be easy ;-)
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You are right, you could never reach 100MBit with the Thylacine. I have one with a 10Mbit adaptor in my Amiga 4000 and can only get around 50Kb per sec max to my LAN so the 100Mbit adaptor would probably only manage the same with the Thylacine.
Oli_hd is also correct in assuming the card is not Zorro III, it is only Zorro II and the Cypress SL811HS chipset it uses has only an 8 Bit interface so it is only using half the width of the Zorro II bus. You could never expect great performance of these devices with classic hardware, USB is very demanding of the system. It's still good though to be able to access these devices with classic Amiga's.
The main reason these drivers were probably written is because the Thylacine card uses 68k versions of the AmigaOS 4.0 USB stack software which means these drivers could also be used with the AmigaONE's USB ports.
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I agree with you, Colmiga, I get the same speeds here in Sinny. BUT, there is one big difference - if you have a 10/100 hub and the Amiga is the only 10 Mb device on the LAN, the whole LAN will speed up if the 10 Mb limit is removed.
Because of the extra cost, I only have 10 Mb hub here, so the Thylacine is not the only limitation.
tony
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Uhhh... odd. USB 1.x tops out at 12 Mbps with one device ONLY being able to take a maximum of 800 Kbps at a time.
So while a 10 Mbps ethernet card is a good match (actual speed will be less than the theoretical max 10 Mbps anyway), 100 Mbps... what is the point? The bottleneck will still be on your system's ethernet device since it will have to throttle down and request resending of the ethernet frames.
Which, if you're on a hub or the same collision domain as other systems will probably degrade the whole network though perhaps not as much as having a 10 Mbps ethernet device attached.
Unless I'm missing something, this adaptor only allows you to plug an ethernet device into the USB port? Granted, I'd bet this is all for home use anyway and no one will notice any real performance or network issues on a small scale, but still...
"BTW, we also support Gigabit ethernet via our USB adaptor!" ;)