Compaq 1610 Reference Manual page 114

The FCC requires the user to be notified that any changes or
modifications made to this device that are not expressly approved
by Compaq Computer Corporation may void the user's authority
to operate the equipment.
Connections to this device must be made with shielded cables
with metallic RFI/EMI connector hoods in order to maintain
compliance with FCC Rules and Regulations.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
For questions regarding this declaration, contact:
Compaq Computer Corporation
P. O. Box 692000, Mail Stop 510101
Houston, Texas 77269-2000
Or call (281) 514-3333
To identify this product, refer to the Series/model number found
on the product.