3-2
C
HAPTER
3: W
INDOWS
NT D
RIVER
I
NSTALLATION
Driver Installation Requirements
Please confirm that the following requirements are met before
you install and configure the 3Com ATMLink NIC Windows NT
network driver.
Hardware Requirements
■
Computer with Intel®-based CPU and bus master PCI bus,
running Microsoft Windows NT version 3.51 or 4.x
■
3.5-inch floppy disk drive
■
At least one 3Com ATMLink NIC installed in the system
Memory Requirements
Use the following formula to determine the Windows NT
memory requirements in megabytes of RAM:
(16 x Frame_Size) + [(No. of NICs –1) x (No. of ELANS)]
When NICs with different maximum frame sizes are installed in
the same computer, use the larger Frame_Size value.
Round up the result to the first integral multiple of 8.
Most Ethernet ELANs use a maximum frame size of 1514 bytes.
Token ring ELANs typically use a maximum frame size of 4542
or 9232 bytes. See Table 3-1 for more information on the
Maximum Frame Size configuration parameter.
where:
Frame_size = 1 When the maximum frame size is 1514 bytes
Frame_size = 2 When the maximum frame size is 4542 bytes
Frame_size = 4 When the maximum frame size is 9232 bytes
No. of NICs =
The number of ATMLink NICs installed in the
computer
No. of ELANs =
The number of ELANs on the NIC with the
most ELANs
