TYAN B4989, Service Manual, Page: 73 / 98

3.9.2 M1229-PT HDD Backplane Connector Pin Definitions
Input Power Connectors:
PW3:
SIGNAL PIN PIN SIGNAL
GND 1 2 +12V
GND 3 4 +12V
GND 5 6 +12V
GND 7 8 +5V
GND 9 10 +5V
GND 11 12 +3.3V
PW1:
SIGNAL PIN PIN SIGNAL
GND
1 2
+12V
GND 3 4 +12V
J18: 4P DVD-ROM:
PIN 1 2 3 4
SIGNAL
+12V GND GND +5V
J41: CPLD Header:
SIGNAL PIN PIN SIGNAL
CPLD_JTAG_TCK 1 6 NC
GND
2 7
NC
CPLD_JTAG_TDO 3 8 NULL
VCC- 4 9 CPLD_JTAG_TDI
CPLD_JTAG_YMS
5 10
GND
J12/J13: USB Header:
SIGNAL PIN PIN SIGNAL
VDD_5_RUN 1 6 USB0+
VDD_5_RUN 2 7 GND
USB1- 3 8 GND
USB0- 4 9 DIE
USB1+ 5 10 GND
J20/J21: DVD/SATA Connector:
SIGNAL PIN PIN SIGNAL
GND 1 6 SATA_DVD_RXP1
SATA_DVD_TXP1 2 7 GND
SATA_DVD_TXN1 3 G1 GND
GND- 4 G2 GND
SATA_DVD_RXN1 5
Chapter 3: Replacing Preinstalled Components 65