Dell D/Bay Connector
Pin Assignments for the Media Base
Docking Connector
1
TPB-
2
TPB+
3
TPA-
4
TPA+
Pin
Signal
Pin
Signal
1
USB_VCC
6
SMB_DAT
2
USB_D-
7
MODPRES#
3
USB_D+
8
SMB_CLK
4
USB_GND
9
GND
5
PWR_SRC
Pin
Signal
Pin
Signal
1
DCK3_DOCK_IN2*
2
USB3_P2+
3
SYS_DCIN*
4
USB3_P2-
5
VDC
6
GND
7
VDC
8
VGA3_RED
9
VDC
10
VGA3_GREEN
11
KBC3_ADID_CLK
12
VGA3_BLUE
13
GND
14
VGA5_DDCD
15
PIO3_SLCT
16
VGA5_DDCC
17
PIO3_AUTOFD*
18
VGA5_HSYNC
19
PIO3_ERROR*
20
VGA5_VSYNC
21
PIO3_INIT*
22
GND