Front Usb Connector: Usb2; Front Panel Connector: Jssi1 - MSI E7520 Master2-S2M User Manual

Front USB Connector: USB2

The mainboard provides one USB 2.0 pin header USB2 (optional USB 2.0
bracket available) that is compliant with Intel
technology increases data transfer rate up to a maximum throughput of 480Mbps,
which is 40 times faster than USB 1.1, and is ideal for connecting high-speed USB
interface peripherals such as USB HDD, digital cameras, MP3 players, printers,
modems and the like.
2
1

Front Panel Connector: JSSI1

The mainboard provides one front panel connector for electrical connection to
the front panel switches and LEDs.
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
PIN
USB2
1
3
10
9
5
7
9
Giga-bit
Standby
LAN1 LED
Power (5V)
2
JSSI1
1
Power
Power LED
Switch
HDD
LED
JSSI1 Pin Definition
Description
Power LED +
Key
Power LED -
HDD Activity LED +
HDD Activity LED -
Power Switch+
Power Switch- (GND)
Reset Switch+
Reset Switch- (GND)
ACPI Sleep Switch
ACPI Sleep Switch (GND)
NMI to CPU Switch
Key
ID LED+
ID LED-
ID#
GND
®
I/O Connectivity Design Guide. USB 2.0
Pin Definition
SIGNAL PIN
USBPWR 2
USBP2- 4
USBP2+ 6
GND 8
Key 10
Chassis
Intruder
Giga-bit
SMBus LAN2 LED
Reset Switch
Pin Description
2 5Vs/b
4 No Connection
6 No Connection
8 System Status LED +
10 System Status LED -
12 NIC Activity LED +
14 NIC Activity LED -
16 SMBus SDA
18 SMBus SCL
20 Chassis Intrusion
22 NIC#2 Activity LED +
24 NIC#2 Activity LED -
26 Key
28 SYSRDY+
30 SYSRDY-
32 NC
34 NC
Hardware Setup
SIGNAL
USBPWR
USBP3-
USBP3+
GND
NC
34
33
2-13