KTGM45 Users Guide
KTD-N0793-L
Page 32
3.5
Firewire/IEEE1394 connectors
The KTGM45 support two IEEE Std 1394a-2000 fully compliant cable ports at 100M bits/s, 200M
bits/s and 400M bits/s. (Not available on KTGM45/mITX Basic)
3.5.1 IEEE1394 connector (IEEE1304_1)
The pinout of the connector IEEE1394_1 (stacked together with USB Ports 4 and 5) is as follows:
Note
Pull
U/D
Ioh/Iol
Type
Signal
PIN
TPA1+
TPB1+
GND
1 3 5
2 4 6
1
+12V
TPB1-
TPA1-
Note 1:
The 12V supply for the IEEE1394_1 devices is on-board fused with a 1.5A reset-able fuse.
Signal
Description
TPA1+
TPA1–
Differential signal pair A
TPB1+
TPB1–
Differential signal pair B
+12V
+12V supply
3.5.2 IEEE1394 connector (IEEE1304_0)
Note
Pull
U/D
Ioh/Iol Type Signal
PIN
Signal Type Ioh/Iol
Pull
U/D
Note
-
-
TPA0+
1 2
TPA0-
-
-
-
-
PWR GND
3 4
GND PWR
-
-
-
-
TPB0+
5 6
TPB0-
-
-
1
-
-
PWR +12V
7 8
+12V PWR
-
-
1
key
-
-
-
-
10
GND PWR
-
-
Note 1:
The 12V supply for the IEEE1394_0 devices is on-board fused with a 1.5A reset-able fuse.
Signal
Description
TPA0+
TPA0–
Differential signal pair A
TPB0+
TPB0–
Differential signal pair B
+12V
+12V supply
Connector
