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CN15/CN28: USB2.0 Header
This is used to connect 2 USB 2.0 ports on front panel
USB connector.
J12: Front Panel Header
GND
SLP_LED +
KEY
PWR_LED +_0
PWR_LED +_1
GND
3.3V
MSG_LED
KEY
3.3V
HDD_LED -
GND
PWRBTN_N
SLPBTN_N
RESET_N
The Front Panel Header is used to connect some control or signal wires from
motherboard to chassis, such as HDD LED, power LED, power button, and
reset button.
J5: SMDC CON25X2_M3291
Signal
Pin
Pin
Power
1
2
USB_A-
3
4
USB_A+
5
6
GND
7
8
Key
9
10
SPKR_OUT_L
1
2
KEY
3
4
GND
5
6
SPKR_OUT_H
7
8
NC
9
10
NC
11
12
KEY
13
14
NC
15
16
SCSI_LED -_0
17
18
SCSI_LED -_1
19
20
NC
21
22
KEY
23
24
GND
25
26
GND
27
28
GND
29
30
For connection with Tyan Server
Management Daughter Card (SMDC).
The SMDC connector is compatible
with only the Tyan M3291 (SMDC).
14
http://www.tyan.com
Signal
Power
USB_B-
USB_B+
GND
NC
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