Brief description of mainbo ard
Installing/removing main memory
Technical data
Technology
DDR2 667 / DDR 2 800 unbuffered DIMM modules 240 pin; 1.8V;
64 Bit, no ECC
Total s ize 256 MByte s to 4 GBytes
Module size 256, 512, 1024 or 2048 Mbytes per module
A current list of the memory m
odules recommended for this mainboard is available
on the Internet at: "
www.fuj
itsu-siemens.com/ma inboards".
At least one memory module mu
st be installed. Memory modules with different
memory capacities can be com
bined.
You may use only unbuffered
1.8 V memory modules without ECC.
DDR2-memory modules must
meet th e PC2-5300U or PC2-6400U specification.
With a memory configurati
on of 4 GB the visible and usable main memory can
be reduced to 3 GB (depen
ding on the system configuration).
The installation/remo
val is described in the "Basic information on mainboard" manual.
PCI bus interrupts - Selecting correct PCI slot
Extensive information on this section is contained in the m anua l "Basic information on mainboard".
To achieve optimum stability, performance and compatibility, avoid the multiple use
of ISA IRQs or PCI IRQ Lines (IRQ sharing). Should IRQ sharing be unavoidab le,
then all involved devices and their drivers must support IR Q sharing.
Which ISA IRQs are assigned to the PCI IRQ Lines is normally automatically
specified by the BIOS (see "BIOS Setup" description).
Monofuncti onal expansion cards
PCI/PCI Express e xpan sion cards require a maximum of one interru pt, which is called the PCI
interrupt INT A. E xpansion cards that do not re quire an interrupt can be installed in any desired slot.
4 - English A26361-D2750-Z 110-1-74 19, edition 2
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