2-16
A1SA2-2750/2550F User’s Manual
BIOS
LICENSE
BIOS
LICENSE
DESIGNED IN USA
A1SA2-2550F
REV:1.01
BAR CODE
BAR CODE
BAR CODE
1
1
1
A
C
CPU2 IPMI
CPU1 IPMI
MAC CODE
MAC CODE
AST2400
B1
J8
JBT2
SW2
JP2
JP1
JPG
2
JPG
1
JPL
1
JPL
2
JWD2
JWD1
J4
J10
LED2
LED1
LED7 (Top Side)
J20
JKVM1
J38
BIOS
AST2400
88E1543
Firmware
J37
LED8 (Bottom Side)
QL1183
QL1183
Firmware
1
P2 LAN 2/1
Up:
CPU2
P2-DIMMB1 P2-DIMMA2 P2-DIMMA1
P2-DIMMB2
PLED
2
PLED
1
Down: P1 LAN 2/1
SW
NODE
USB0/1
VBAT
IPMI_LAN
UID
PWR
P1-DIMMB2
P1-DIMMB1
P1-DIMMA2
P1-DIMMA1
CPU1
JBT1
BIOS
VGA Enable
Jumper JPG1 allows the user to enable the
onboard VGA connector for Node 1 and JPG2
enables the onboard VGA connector for Node
2. The default setting is pins 1-2 to enable
the connection. See the table on the right for
jumper settings.
VGA Enable
Jumper Settings
Jumper Setting Definition
Pins 1-2
Enabled (Default)
Pins 2-3
Disabled
Watch Dog Timer Enable
Watch Dog (JWD1 and JWD2) is a system
monitor that can be used to reboot the sys-
tem when a software application hangs.
Close pins 1-2 to reset the system if an ap
-
plication hangs. Close pins 2-3 to generate a
non-maskable interrupt signal for the appli
-
cation that hangs. See the table on the right
for jumper settings. Watch Dog must also be
enabled in the BIOS.
Watch Dog
Jumper Settings
Jumper Setting Definition
Pins 1-2
Reset (default)
Pins 2-3
NMI
Open
Disabled
A. JPG1 VGA Enable
B. JPG2 VGA Enable
C. Watch Dog JWD1
D. Watch Dog JWD2
A
B
C
D
