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1-22 Service Guide
Table 1-12 GPIO Port Definition Map I
GPIO/Signal Pin # I/O Description
GPI1 (DK3_DOCKIRQ#) P19 O 0: Detect Docking IRQ
GPI2/REQA# (PX3_OEM0) M1 O OEM detection
GPI3/REQB# (SM5_BAYSW) N2 O Detect FDD/CD bay 1: installed, 0: not installed
GPI4/REQC# (CF5_FDD/CD#) P3 O Detect FDD or CD installed 1: FDD, 0: CD
GPI5/APICREQ# K18 O NC
GPI6/IRQ8# (RT3_IRQ8#) Y20 O 0: RTC wake
GPI7/SERIRQ (PM3_IRQSER) J19 O Serial IRQ
GPI8/THRM# (SM5_OVTMP#) H19 O 0: Enable over temperature of CPU or system
GPI9/BATLOW# (PX3_OEM1) U19 I OEM detection
GPI10/LID P16 I NC
GPI11/SMBALER# N17 I NC
GPI12/RI# (PX3_RI#) P18 I 0: Enable by Ring indicator input
GPI13 (PT3_MID0) L2 I Detect MMO module revision
GPI14 (PT3_MID1) J3 I Detect MMO module revision
GPI15 (PT3_MID2) L5 I Detect MMO module revision
GPI16 (PT3_MID3) K3 I Detect MMO module revision
GPI17 (SM5_FLOATREQ#) K4 I Detect float request from SMC
GPI18 (PX3_FLASHRCY#) H1 I 0: Enable flash BIOS recovery
GPI19 (PX3_VGACT) H4 I 1: Detect VGA activity
GPI20 (PM3_A_ACT/PD#) H5 I Detect PCMCIA socket A activity for OZ6832
GPI21 (PM3_B_ACT) G3 I Detect PCMCIA socket B activity
Table 1-13 GPIO Port Definition Map II
GPIO I/O Description
GPIO Pin Assignment: 80C51SL
LED 0 (KB5_MIREQ#) O ANI3 (KB5_PANID3)
LED 1 (KB5_NUMLED#) O PAD LED control
LED 2 (KB5_CAPLED#) O CAP LED control
LED 3 (KB5_KEYLICK) O Keyclick output
P1.0 O NC
P1.1 O NC
P1.2 O NC
P1.3 O NC
P1.4 O NC
P1.5 O NC
P1.6 O NC