4-6 CHAPTER 4: CONFIGURING THE 3C509B NIC
Configuration Option Settings
Table 4-1 lists each software option, the default setting, 
and the available settings. For more information about 
each setting, select the option and press [F1]).
. 
If you are using a PC that supports Plug and Play, the IRQ 
and I/O base address values are set by Plug and Play. You 
can set the boot PROM size to indicate the presence and 
size of a network boot PROM. 
To disable Plug and Play at the DOS command line, type:
3C5X9cfg configure /pnp:n [Enter]
You can also type:
pnpdsabl.bat [Enter]
Table 4-1   Option Settings  
Option Default Setting Available Settings 
I/O Base Address 300h 200h, 210h, 220h, 230h, 240h, 250h, 
260h, 270h, 280h, 290h, 2A0h, 2B0h, 
2C0h, 2D0h, 2E0h, 2F0h, 300h, 310h, 
320h, 330h, 340h, 350h, 360h, 370h, 
380h, 390h, 3A0h, 3B0h, 3C0h, 
3D0h, 3E0h, EISA, ISA
Interrupt 
Request Level
10 3, 5, 7, 9, 10, 11, 12, 15
Boot PROM  Disabled. Does not 
apply for 
3C509B-TPO
Disabled, 8 K, 16 K, 32 K
Transceiver Type Auto Select for all 
except 
3C509B-TPO 
(on-board TP)
On-board Coax (BNC), On-board TP 
(RJ-45), External (AUI/DIX), or Auto 
Select
Network Driver 
Optimization
Windows or OS/2 
Client
DOS Client, Windows or OS/2 Client, 
Server
Maximum 
Modem Speed 
(fastest modem 
installed)
9600 Baud No Modem, 1200, 2400, 9600, 19200, 
or 38400 Baud
Plug and Play Enabled Enabled, Disabled
Full Duplex Disabled Enabled, Disabled