Supermicro SUPERSERVER 6012P-8, User Manual

Page: 53 / 104

Chapter 5: Advanced Motherboard Setup
5-19
SCSI Termination Enable/
Disable
Jumpers JPA1 and JPA2 allow you
to enable or disable termination for
t h e i n d i v i d u a l S C S I c h a n n e l s .
Jumper JPA1 controls SCSI channel
A and JPA2 controls SCSI channel
B. The normal (default) setting is
open to enable (teminate) both SCSI
channels. If you wish to connect
external SCSI devices, you should
d i s a b l e t e r m i n a t i o n f o r t h e
channnel(s) you will be connecting
them to. See the table on the right
for jumper settings.
Ju m p e r
P o sitio n
O p e n
C lo se d
D e fin itio n
E n a b le d
D isa b le d
S C S I C h a n n e l T e rm in a tio n
E n a b le /D is a b le
J u m p e r S e tting s
(J P A 1 , J P A 2 )
Watchdog Enable/Disable
The WD jumper (located on JD1) al-
lows you to enableor disable the
Watchdog feature. The default po-
sition is open to disable the Watch-
dog timer. When enabled, Watch-
dog can reboot your PC if an appli-
cation is "hung up" or the system
goes down. See the table on the
right for jumper settings.
Ju m p e r
P o sitio n
O p e n
C lo se d
D e fin itio n
D isa b le d
E n a b le d
W a tc h d o g T im e r E n a b le /
D is a b le J u m p e r S e ttin g s
(W D o n J D 1 )
PCI-X Bus Speed Settings
Jumpers JP10 through JP15 are
used to set the speed for the PCI-X
buses. See the tables on the right
for the jumper settings to select the
speed for each slot.
P C S lo t 1 B u s S p e e d S e ttin g s
(J P 1 3 , J P 1 4 , J P 1 5 )
M o d e
P C I-X 1 3 3 M H z
P C I-X 1 0 0 M H z
P C I-X 6 6 M H z
P C I 6 6 M H z
JP 1 4
O ff
O ff
O ff
O ff
JP 1 5
O ff
O n
O n
O n
JP 1 3
O ff
O ff
P in s 1 -2
P in s 2 -3
M o d e
P C I-X 6 6 M H z
P C I 6 6 M H z
JP 1 0
O ff
O ff
JP 1 1
O n
O n
JP 1 2
P in s 1 -2
P in s 2 -3
P C I S lo t 2 B u s S p e e d S e ttin g s
(J P 1 0 , J P 1 1 , J P 1 2 )