Connecting Front Panel Cable - AOpen AK33M(A) Easy Installation Manual

6. JP21 FSB Select Jumper
This JP21 jumper is used to specify the relationship of PCI and FSB clock. Please set the
jumper based on your CPU FSB. For CPU FSB of 100MHZ, you may set JP21 to "1-2"
pin and for CPU FSB of 133MHz, you may set the pin to "2-3".
3
3
2
2
1 1
FSB 100MHz
FSB 133MHz
(default)

7. Connecting Front Panel Cable

Attach the power LED, speaker, and reset
switch connectors to the corresponding pins.
If you enable "Suspend Mode" item in BIOS
Setup, the ACPI & Power LED will keep
flashing while the system is in suspend
mode.
Locate the power switch cable from your
ATX housing. It is 2-pin female connector
from the housing front panel. Plug this
connector to the soft-power
connector marked SPWR.
1
+
Keylock
+ SPWR
ACPI &
HDD LED +
+
Power LED
+
+
Speaker
Reset
switch
1
GND SPWR
KEYLOCK GND
+5V ACPI & PWR LED
HDD LED GND
HDD LED +5V
+5V
NC
+5V
NC
GND
GND
NC
RESET
SPEAKER GND
8. Dr. LED (Optional)
The Dr. LED can easily show what kind of problems you may incur on your system during
assembly. It can clearly indicate whether there is a component issue or an installed issue
by the 8 LEDs on the front panel of PC-Doctor. This can helps you quickly self-diagnose
your system status.
1 2
3.3V GP014
KEY GP011
GND GP012
5 6
9. Connecting IDE and Floppy Cable
Connect 34-pin floppy cable and 40-pin IDE cable to floppy connector FDC and IDE
connector. Be careful of the pin1 orientation. Wrong orientation may cause system
damage.
Pin 1
Slave (4th) Master (3rd)
Pin 1
Slave (2nd) Master (1st)
FDC
IDE2 (Secondary)
IDE1 (Primary)