NEC Barracuda Service Manual page 37

Barracuda PDA Maintenance
GPIO
Function Name
Name
GPIO-21 SLOT1_IRQ#
GPIO-22 SLOT2_IRQ#
GPIO-23 UCB_IRQ
GPIO-24 SA_CDKT1#
GPIO-25 SA_CDKT2#
GPIO-26 IRQ_SD#
GPIO-27 BAT_FAULT_IRQ#
External
GPIO
U10-1Q1 EXT_PWR_ON#
U10-1Q2 SA_RST1
U10-1Q3 UCB_RESET#
U10-1Q4 5V_PWR_ON
U10-1Q5 SA_RST2
U10-1Q6 LCD_ON
U10-1Q7 LCD_PWR_ON#
U10-1Q8 EXT_BUS_ON#
Sleep
I/O H/L
mode
Pin active
state
I L L Sled card 1 interrupt
I L L Sled card 2 interrupt
I H L UCB1300 interrupt output
I L H Sled card 1 insert detection
I L H Sled card 2 insert detection
I L L SD interrupt
I L L Hardware battery fault & cover out
interruption to SA1110
O L L Sled / CF buffer power control pin
O H L Card socket1 reset signal (In I/O and
memory mode => active high , IDE
mode => active low)
O L L UCB 1300 reset signal
O H L 5V power plane ON/OFF control (For
panel)
O H L Card socket2 reset signal (In I/O and
memory mode => active high , IDE
mode => active low)
O H L LCD output enable control pin ( High
=> output , L => disable)
O L L LCD power plane ON/OFF control
(For NEC controller)
O L L Sled / CF buffer output enable
Description
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