Compaq Deskpro Workstation AP240 Reference Manual page 173

Modifications
Cables
Declaration of Conformity for Products Marked with the FCC Logo
(United States only)
A-2 Regulatory Compliance Notices
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 your product, contact:
Compaq Computer Corporation
P. O. Box 692000, Mail Stop 530113
Houston, Texas 77269-2000
Or, call 1-800-652-6672 (1-800-OK COMPAQ).
For questions regarding this FCC 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 part, series, or model
number found on the product.