Table of Contents
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ATX PS/2 Keyboard and
PS/2 Mouse Ports
The ATX PS/2 keyboard and the
PS/2 mouse are located on J28.
See Table 2-13 for pin definitions.
(The mouse port is above the key-
board port. See Figure 2-12.)
Universal Serial Bus (USB)
Two Universal Serial Bus connec-
tors are located on U38. USB1 is
the bottom connector and USB2 is
the top connector. Refer to Table
2-14 for pin definitions.
Extra USB Connectors
(J105/J106)
J105 is USB3, and J106 is USB4.
You will need a USB cable (not in-
cluded) to use this connection. Re-
fer to Table 2-14 for pin definitions.
LAN1/LAN2 Ports
Two Ethernet ports (designated
NIC1 and NIC2) are located beside
the VGA port on the I/O backplane.
These ports accept RJ45 type
cables. There are two jumpers for
the LAN1/LAN2 ports: JP8: NIC 1
Enable/Disable(Open: enable),
JP24: NIC2 Enable/Disable (Open:
enable). Each indicate a success-
ful connection (yellow) and activ-
ity (green).
SLED1 (SCSI LED) Indicator
The SLED connector is used to pro-
vide an LED indication of SCSI ac-
tivity. Refer to Table 2-15 for con-
necting the SCSI LED.
P S /2 K e yb o a rd
a n d M o u s e P o rt
P in D e fin itio n s
Pin
N umber
U n ive rs a l S e ria l B u s P in D e fin itio n s
U S B 1
Pin
N umber
D efinition
1
2
3
4
G round
5
RJ45 Ethernet Port
S L E D 1 (S C S I L E D ) P in
P in
N umber
1
2
3
4
2-13
Chapter 2: Installation
T a b le 2 -1 3
(J 2 8 )
D efinition
1
D ata
2
N C
3
G round
4
V C C
5
C lock
6
N C
T a b le 2 -1 4
U S B 2
Pin
N umber
D efinition
+5V
1
+5V
P0-
2
P 0-
P0+
3
P0+
4
G round
N /A
5
Key
T a b le 2 -1 5
D e fin itio n s
D efinition
+
-
-
+
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