Compaq Armada 4200 Reference Manual page 161

Use heelstraps, toestraps, or bootstraps at standing
workstations. Wear the straps on both feet when standing on
conductive floors or dissipating floor mats.
Use conductive field service tools.
Use a portable field service kit with a folding static-dissipating
work mat.
IMPORTANT:
proper grounding, contact a Compaq authorized reseller or service
provider. For more information on static electricity or assistance
with product installation, contact your Compaq authorized service
provider.
E-2 Electrostatic Discharge
If you do not have the suggested equipment for