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3-2
C
3: W
HAPTER
INDOWS
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)]
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 =
No. of ELANs = The number of ELANs on the NIC with the
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.
NT D
I
RIVER
NSTALLATION
The number of ATMLink NICs installed in the
computer
most ELANs
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