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sis190 network adapter gigabit linux driver

Posted on 2008-10-30
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Last Modified: 2013-11-09
Hi,
I'm running centos5.2 on an Asus Vintage AE which has an integrated ethernet adapter based on the sis190 chipset. I had problems with older centos releases, but since 5.1 this network adapter is recognized and working properly with the stock sis190 driver. However it only works at 100mbps.
Asus product specifications claim it is a gigabit ethernet adapter. However at some web pages I read that the 190 is only fast and 191 is giga (which maybe wrong).

So does the sis190 chipset really support gigabit mode? Is this a driver issue or the adapter is actually just fast ethernet and asus is cheating? (Note that the sis190 driver also states that the 190 is a gigabit adapter). And if it is gigabit, where can I find a linux driver actually working at 1000mbps?

I tried booting with a fedora 10 beta live cd (to see if more recent drivers work at 1gb) but it runs at only 100mb too.

lspci output
00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] 190 Gigabit Ethernet Adapter
        Subsystem: ASUSTeK Computer Inc. Unknown device 8139
        Flags: bus master, medium devsel, latency 0, IRQ 217
        Memory at fbefbc00 (32-bit, non-prefetchable) [size=128]
        I/O ports at b000 [size=128]
        Capabilities: [40] Power Management version 2

hwconf file
device: eth0
driver: sis190
desc: "Silicon Integrated Systems [SiS] 190 Gigabit Ethernet Adapter"
network.hwaddr: 00:13:d4:22:fe:d9
vendorId: 1039
deviceId: 0190
subVendorId: 1043
subDeviceId: 8139
pciType: 1
pcidom:    0
pcibus:  0
pcidev:  4
pcifn:  0

ethtool output
Settings for eth0:
        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Advertised auto-negotiation: Yes
        Speed: 100Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: on
        Current message level: 0x00000037 (55)
        Link detected: yes

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Question by:lbertacco
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by:
ravenpl earned 500 total points
ID: 22848295
       Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full

The above says NIC says it does not support 1Gbit, sorry.
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by:lbertacco
ID: 31511759
Yes it is just fast-ethernet. Same part of the chipset could do gigabit and that's why the manual says gigabit, but some other part is just fast and in the end you get only fast.
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