20 Intel ISP1100 Internet Server Product Guide
Fan Support

The server board has five fan connectors. The functions of the fan connectors are described in

Table 7.

Table 7. Fan Connector Descriptions

Connector Function
Fan 1 (J35) Supports fan speed sensing for fans with tachometer outputs. Connector supports
variable fan speed.
Fan 2 (J34) Supports fan speed sensing for fans with tachometer outputs. Connector supports
variable fan speed.
Fan 3 (J33) Supports fan speed sensing for fans with tachometer outputs. Connector supports
variable fan speed.
Fan 4 (J38) Supports fan speed sensing for fans with tachometer outputs. Connector supports
on/off fan control or variable fan speed via a fuse-stuffing option.
Fan 5 (J37) Supports fan speed sensing for fans with tachometer outputs. Connector supports
on/off fan control or variable fan speed via a fuse-stuffing option.