IBM x3250 - System M3 - 4251 User Manual

System-board switches and jumpers
The following illustration shows the switches and jumpers on the system board.
The following table describes the jumpers on the system board.
Table 2. System board jumpers
Jumper number Jumper name Jumper setting
JP1 Clear CMOS jumper
v Pins 1 and 2: Keep CMOS
data (default).
v Pins 2 and 3: Clear CMOS
data (including power-on
password)
JP6 Boot block jumper
v Pins 1 and 2: Boot from
primary BIOS page
(default).
v Pins 2 and 3: Boot from
backup BIOS page.
Chapter 2. Installing optional devices 23

IBM x3250 - System M3 - 4251 Specifications

General

Form Factor	1U Rack
Processor	Intel Xeon 3400 Series
Memory	Up to 32 GB
RAID Support	RAID 0, 1, 10
Network	Dual Gigabit Ethernet
Memory Type	DDR3
Storage	Up to 4 TB
Drive Bays	4x 3.5" or 8x 2.5"
Hard Drive Interface	SATA
Operating System Support	Windows Server, Red Hat, SUSE, VMware