17) SPEAKER (Buzzer Header)
Connects to the buzzer on the chassis front panel. The system reports system startup status by issuing a
beep code. One single short beep will be heard if no problem is detected at system startup.
Pin No.
Definition
1
VCC
2
NC
3
NC
4
SPK-
DEBUG
PORT
G.QBOFM
1
18) F_USB (USB 2.0/1.1 Header)
The header conforms to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
Pin No.
Definition
Pin No.
Definition
1
Power (5V)
6
USB DY+
2
Power (5V)
7
GND
3
USB DX-
8
GND
4
USB DY-
9
No Pin
5
USB DX+
10
NC
•
Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header.
•
Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord
from the power outlet to prevent damage to the USB bracket.
1
2
10
9
Pin No.
Definition
Pin No.
Definition
Pin No.
Definition
1
VBUS
8
D1-
15
SSTX2-
2
SSRX1-
9
D1+
16
GND
3
SSRX1+
10
NC
17
SSRX2+
4
GND
11
D2+
18
SSRX2-
5
SSTX1-
12
D2-
19
VBUS
6
SSTX1+
13
GND
20
No Pin
7
GND
14
SSTX2+
19) F_USB30 (USB 3.0/2.0 Header)
The header conforms to USB 3.0 and USB 2.0 specification and can provide two USB ports. For purchasing
the optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer.
F_USB30
F_U
B_
F_
F_
_ B
BS_ B
SB_ B
_S
S_ _ B
_U _ B
S
12
3
12
3
1 2 3
12
3
1
1
1
1
BSS
S
_S
SSU
1
2
3
S3
BSSS
U
__
3
F_USB3F
S
_
S
_
S
_
SF
B_
B_
F
_0
S S
_0F
_F
_
_
__B
U
S
_S
_
SF_
USB0_B
B_
F_USB3
F_USB303
_
_3U
S_
10
20
1
11
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