Intel i915GL User Manual page 24

Installation
C1394-1C1394-2
Page 3-10
COM1: Serial Port Connector
The serial port can be used with modems, serial
printers, remote display terminals, and other serial
device.
C1394-1 / C1394-2 : (Optional)
IEEE 1394a (FireWire) Connectors
This mainboard has 2 IEEE 1394a ports. To use these
ports, you need to attach the bundled 1394 bracket
to these headers.
SATA1/SATA2/SATA3/SATA4 : S-ATA Connectors
These connectors enable you to connect Serial ATA
HDDs or optical drives type.
SATA4
SATA1
RTS
RI
DSR NC
CTS
10
2
9
1
DCD TXD Ground
RXD DTR
TPB+
GND
+12V (Fused)
TPA+
Key
9 1
2
10
GND
TPA-
+12V (Fused) GND
TPB-
1
B+ A+
GND B- A- GND
GND