IBASE FWA8208 - Manual (Page 13)

12
J20, J21: USB 2.0 Pin Header
FAN1, 2, 3: System Fan Power Connector
FAN1/2/3 are 4-pin headers for System fan power.
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
4 Control
CPU_FAN1: CPU Fan Power Connector
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
4 Control
SW1: Software reset button
Signal Name Pin # Pin # Signal Name
GND 1 2
PCH
GPIO7
IO Base:
Read
IO 0x500 and set bit 7 to “1” (Enabled GPIO function)
Read IO 0x504 and set bit 7 to “1” (GPIO act as GPI )
Read IO 0x50C and check the bit 7 (Control Pin)
Note: SW3 is controlled by GPIO only.
PCIE1: PCI-e x8 Golden Finger 1
PCIE2: PCI-e x8 Golden Finger 2
LED1: Power, Bypass & Status LED
Index port: 4E
Data port: 4F
Device: 06
30h  bit1 = 1
C0h  set bit2, bit3 = 1 for GPO
C3h  set bit2, bit3 = 1 for Push Pull
C1h  bit2, bit3 (Control pin) for GPO32, 33
Signal Name Pin # Pin # Signal Name
SIO GPIO32 C1 A1 SIO GPIO33
Bypass LED- C2 A2 Bypass LED+
POWER LED- C3 A3 POWER LED+
STATUS LED GPIO33 GPIO32
YELLOW H L
RED L H
C1
C2
C3
A1
A2
A3