PPC7A Product Manual
Connectors
5-5
1
st
Edition
Alternate P2 Pinout for GPIO Pins
The following pinout table shows alternate P2 Row C pin functions.
P
IN
N
O
.
G
PIO
F
LOPPY
L
PT
8
GPIO0
RDATA~
STROBE~
9
GPIO1
WGATE~
LPTD0
10
GPIO2
WDATA~
LPTD1
11
GPIO3
HDSEL~
LPTD2
12
GPIO4
FD_DIR~
LPTD3
13
GPIO5
STEP~
LPTD4
14
GPIO6
DSKCHG~
LPTD5
15
GPIO7
DRV2~
LPTD6
16
GPIO8
DRV1~
LPTD7
17
GPIO9
MOT0~
ACK~
18
GPIO10
MOT1~
BUSY
19
GPIO11
WPROT~
PERROR
20
GPIO12
TRK0~
SELECT
21
GPIO13
INDEX~
AUTOFD~
22
GPIO14
DENSEL
ERR~
23
GPIO16 GPIO16 (ACGAME3)
INIT~
24
GPIO17 GPIO17 (ACGAME4)
SLCTIN~
$
Notes: There is no connection to GPIO15 of the south bridge from the P2 connector.
There are three build options on these pins:
GPIO and Floppy (standard)
LPT (parallel port)
GPIO or Floppy section is via software control of the south bridge.
Build options also exist for selection of USB ports or Mouse and Keyboard. Standard build is for Mouse
and keyboard.
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