System-Board Jumpers - IBM eServer 240 xSeries User Reference Manual

System-board jumpers

Table 12 describes the jumpers on the system board. The numbers in the table
correspond to the highlighted numbers on the illustration in "System-board
component locations" on page 99.
Note: Turn off the server, and disconnect the power cords before moving any
The following illustration shows pin positions for the system board jumper J20. Pin
1 is the pin at the upper-left corner of J20 in the illustration of the system board in
"System-board component locations" on page 99.
100
IBM xSeries User's Reference
17 PCI slot Power Good LEDs
18 Internal PCI slot Attention LEDs
19 External PCI slot Attention LEDs
2
Advanced System Management adapter connector (J21)
21 External LVD SCSI/Parallel port connectors (J19)
22 Serial/video port connectors (J11)
23 USB 1 and USB 2 port connectors (J9) (USB 2 is below USB 1.)
24 Ethernet port connector (J7)
25 Mouse and keyboard connectors (J5) (The mouse connector is above the
keyboard connector.)
jumpers.
Table 12. System board jumper (J20)
Jumper pin positions
Pins 1–3
Pins 4–6
Pins 7–9
Pins 10–12
1 2 3
6
4
7 9
10 11 12
Description
The default is no jumper on pins 1, 2, and 3.
The default is a jumper on pins 4 and 5.
The default is a jumper on pins 8 and 9.
The default is a jumper on pins 10 and 11.