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