Asus P7F7-E WS Supercomputer - Manual (Page 66)

8. CPU, chassis, and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN1–3, 3-pin PWR_FAN)
The fan connectors support cooling fans of 350 mA–2000 mA (24 W max.)
or a total of 1 A–7 A (84 W max.) at +12V. Connect the fan cables to the fan
connectors on the motherboard, ensuring that the black wire of each cable
matches the ground pin of the connector.
DO NOT forget to connect the fan cables to the fan connectors. Insufficient air
flow inside the system may damage the motherboard components. These are
not jumpers! DO NOT place jumper caps on the fan connectors!
9. TPM connector (20-1 pin TPM)
This connector supports a Trusted Platform Module (TPM) system, which can
securely store keys, digital certificates, passwords, and data. A TPM system
also helps enhance network security, protects digital identities, and ensures
platform integrity.
The TPM module is purchased separately. Use the ASUS TPM module ONLY!
2-42 Chapter 2: Hardware information