20 CHAPTER 1: NETWORK INTERFACE CARD INSTALLATION
3 Locate an available ISA or EISA slot and remove the 
screw from the corresponding backplate (Figure 2). 
Save the screw.
Some PCs have both ISA and PCI slots. Make sure that 
you install the EtherLink 10 ISA NIC in either an ISA or an 
EISA slot. See Figure 2.
PCI slots, the shortest of the three types of slots, are white. 
The longer ISA slots are black. EISA slots, the longest, 
are brown.
The 3C509B NIC is shipped configured to work in an 
ISA slot. If you install the NIC in an EISA slot, see the 
instructions in the next section, “Using an EISA Slot.”
Figure 2   Installing the 3C509B NIC
1  Remove slot cover
2  Insert NIC
ISA or EISA slots
Book  Page 20  Monday, June 7, 1999  8:55 AM