if it's running Linux you can get info using
lshw. You may have to install lshw if it's not there already.
dmidecode may also work.
Code:
mail:~# lshw
mail
description: Rack Mount Chassis
product: ProLiant DL360 G5
vendor: HP
serial: USMXXXXXXX
width: 32 bits
capabilities: smbios-2.4 dmi-2.4
configuration: boot=normal chassis=rackmount uuid=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXX
*-core
description: Motherboard
physical id: 0
*-firmware
description: BIOS
vendor: HP
physical id: 0
version: P58 (11/13/2007)
size: 64KB
capacity: 4032KB
capabilities: pci pnp upgrade shadowing escd cdboot bootselect edd int13floppy360 int13floppy1200 int13floppy720 int5printscreen int9keyboard int14serial int17printer int10video acpi usb biosbootspecification netboot
*-cpu:0
description: CPU
product: Intel(R) Xeon(R) CPU 5150 @ 2.66GHz
vendor: Intel Corp.
physical id: 400
bus info: cpu@0
version: 6.15.6
serial: 0000-0000-0000-0000-0000-0000
slot: Proc 1
size: 2666MHz
width: 64 bits
clock: 1333MHz
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe x86-64 constant_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr lahf_lm
configuration: id=1