Using 100BaseT mode (half duplex)
Using 100BaseTX mode (full duplex)

Benchmark:

File Server: Linux 2.2.14 on Pentium II 400MHz, 256MB RAM, ASUS P2B board, LEMEL P-600TX Ethernet(21143),tulip driver v0.91g-ppc running 100BaseTX mode.
Client 1: Tru64 Unix V4.0F; Accton EN1207C-TX; running 100BaseT mode.
Client 2: Tru64 Unix V4.0F; Accton EN1207C-TX; running 100BaseTX mode.
HUB: Buffalo LSW10/100-8H 8 port switching hub with auto-nego and manual switch
Target file: linux-2.3.51.tar 83834880 bytes, using NcFTP 2.4.3

Results

100BaseT  Mode:  7.99 MBytes/sec max with "get" command 
                 6.24 MBytes/sec max with "put" command
100BaseTX Mode: 11.27 MBytes/sec max with "get" command
                10.89 MBytes/sec max with "put" command