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S
S
S
UPER
TORAGE
YSTEM 2028R-E1CR24L User's Manual
TPM Header/Port 80
A Trusted Platform Module/Port 80
header is located at JTPM1 to provide
TPM support and a Port 80 connec-
tion. Use this header to enhance
system performance and data secu-
rity. See the table on the right for pin
definitions.
Serial Ports
Two serial ports are included on the serverboard. COM1 is a rear I/O port and
COM2 is a header located near PCI-E slot 1, which may be used front front access..
Ethernet Ports
Two 10Gb Ethernet (LAN) ports are located on the I/O backplane. A dedicated IPMI
LAN port is also included. These ports accept RJ45 type cables.
TPM/Port 80 Header
Pin Definitions
Pin #
Definition
Pin #
Definition
1
LCLK
2
GND
3
LFRAME#
4
<(KEY)>
5
LRESET#
6
+5V (X)
7
LAD 3
8
LAD 2
9
+3.3V
10
LAD1
11
LAD0
12
GND
13
SMB_CLK4
14
SMB_DAT4
15
+3V_DUAL
16
SERIRQ
17
GND
18
CLKRUN# (X)
19
LPCPD#
20
LDRQ# (X)
5-20
5-9
Jumper Settings
Explanation of Jumpers
To modify the operation of the
serverboard, jumpers can be used
to choose between optional settings.
Jumpers create shorts between two
pins to change the function of the con-
nector. Pin 1 is identified with a square
solder pad on the printed circuit board.
See the serverboard layout pages for
jumper locations.
Note: On a two-pin jumper, "Closed"
means the jumper is on both pins and
"Open" means the jumper is either on
only one pin or completely removed.
CMOS Clear
JBT1 is used to clear CMOS (which will also clear any passwords). Instead of pins,
this jumper consists of contact pads to prevent accidentally clearing the contents
of CMOS.
To clear CMOS,
1. First power down the system and unplug the power cord(s).
2. With the power disconnected, short the CMOS pads with a metal object such
as a small screwdriver.
3. Remove the screwdriver (or shorting device).
4. Reconnect the power cord(s) and power on the system.
Note: Do not use the PW_ON connector to clear CMOS.
VGA Enable/Disable
JPG1 allows you to enable or disable
the VGA port. The default position is on
pins 1 and 2 to enable VGA. See the
table on the right for jumper settings.
Chapter 5: Advanced Serverboard Setup
3
2
1
Connector
Pins
Jumper
3
2
1
Setting
VGA Enable/Disable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled
Pins 2-3
Disabled
5-21
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