Hitachi HF-W2000 58 Instruction Manual page 78

2. OPERATION
Precautions related to mounting and using multiple LAN adapters
If multiple LAN adapters are mounted, interrupt requests from either of the adapters occur frequently or the
amount of processed data is too large, the performance of the adapters might not be as high as expected. (This is
because an interrupt request from a LAN adapter requires a higher CPU load compared to the amount of processed
data, and if multiple LAN adapters are mounted and used, it takes a very long time for the CPU to process all
interrupt requests from the LAN adapters.)
If you mount and use multiple LAN adapters, confirm that each built-in LAN adapter and optional adapter is
capable of achieving the expected level of performance. If any are not, adjust the network load or change the LAN
adapter settings by performing the following procedure. For details about each configuration item, see the
description at the bottom of the corresponding setup window.
®
(The displayed images are of Windows 10, but are similar to other OSs.)
1. Perform steps 1 through 5 in Setting the network transfer speed under 2.8 Setting Up the LAN Interface.
2. Click the Advanced tab. In the Settings list, select Performance Options, and then click Properties.
The Performance Options dialog box appears.
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