User manual
i
n
di
ca
t
or
5
3.3V Power
Special voltage of
motherboards that have PCI
slot. The indicator will be
always on when power on.
Part of the motherboards
that have PCI slot have no
3.3V voltage, so the
indicator is off.
Some cards use
radix point of
the LED
indicator
-5V Power
Sh
are
th
e same
i
n
di
ca
t
or
with 3.3V power. Special -5V
voltage of motherboards
that have ISA slot. The
indicator will be always on
when power on,or the
motherboard does not have
-5V voltage or there is short
circui
t
.
Some cards use
radix point of
the LED
indicator
LED
Indicat
or 5V
Power
There must be 5V voltage if
the indicator is on.
S
ome car
d
s use
radix point of
the LED
indicator
+12V Power
th
e
i
n
di
ca
t
or w
ill
b
e a
l
ways
on when power on, or there
is no 12V voltage or there is
short circuit.
S
ome car
d
s use
radix point of
the LED
indicator
-12V Power
th
e
i
n
di
ca
t
or w
ill
b
e a
l
ways
on when power on, or there
is no -12V voltage or there is
short circuit.
S
ome car
d
s use
radix point of
the LED
indicator
CLK
BUS
Clock
Th
e
CLK
w
ill
b
e on w
h
en
there is clock signal impulse,
and will be off when there is
no clock signal impulse, no
matter the current signal
stays at high or low level,
which won’t mislead the user
that there is clock signal
im
p
ulse.
Some cards use
radix point of
the LED
indicator
RESET Reset
It
i
s norma
l
th
a
t
th
e
indicator light is on for a half
second and then is off when
start the computer or press
the RESET. If the indicator
light is never off, usually it is
because the Reset Contact
Pin on the main board is
pinned to the Accelerate
Switch or the Reset Circuit is
dama
g
ed.
Some cards use
radix point of
the LED
indicator
IRDY
Main
parts are
not read
y
IRDY
w
ill
fl
as
h
if
th
ere
i
s
signal impulse when plug the
PC diagnostic card into PCI
slot
,
or it will be off.
S
ome car
d
s use
radix point of
the LED
indicator
FRAME
Frame
cycle
The Frame will flash if there
is frame cycle signal from
PCI slot or MiniPCI slot.
S
ome car
d
s use
radix point of
the LED
indicator
33