3c905C-TX/TX-M not works auto negotiation, full duplex & link status:
[xxx@19KV] interface ethernet> moni 0
status: no-link
auto-negotiation: disabled
rate: 10Mbps
full-duplex: no
default-cable-setting: standard
in winbox status "nolink, rate 10mb, no full duplex"
it is tested on many deskside and network card
with Intel pro100, via, rtl & other lan card its ok