However, Active Monitor doesn't identify these by names (it is probably
designed for numerous boards). It just says

Zone 1
Zone 2
Fan 1
Fan2
Fan3

The manual refers to these by name, e.g. temperature zones on page 80, Fig
27.
So, the question is: When Active Monitor shows me temp Zone 1, is it
Processor voltage regulator area, Intel 82875P MCH, or Intel 82801ER ICH5?

At least we know it's not The Processor area. The Monitor identifies that
one..

The Fan's are easy to identify (by momentarily stopping the fan). How do
I
identify temperature zones "Zone 1" and Zone 2" as referred to by the
Monitor?

System Fan 1 = processor fan
System Fan 2 = front fan
System Fan 3 = rear fan

... unless you have a VREG fan in there in which case I think System Fan 2
ends up being the VREG. According to the configuration information in
Motherboard Monitor, the second fan sensor is the VREG. Active Monitor will
show only those fans connected and number them sequentially regardless of
the sensor order.

Another way you can verify which fan is which - DO NOT tell Active Monitor
to redetect fans, shutdown, temporarily disconnect a fan, start up and run
Active Monitor. Once you determine which fan you disconnected (it'll be the
one with zero RPMs), label it, shut down, reconnect the fan, and fire up
again.

System Zone 1 and System Zone 2 are in close proximity to each other towards
the top of the processor and between the processor and memory. I have yet to
determine which is which and what the difference is between the two. The
documentation doesn't really yield much of a clue.


That depends on the motherboard. On the 865PERL, they are located on
opposite sides of the cpu - with no identification of which is zone 1
and zone 2. When the cpu is actively working, zone 1 stays fairly low
in temperature, while zone 2 heads towards about 51 C.

Bill A.