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Product specification.
Motherboard Form Factor
D955XBK: ATX (12.0 inches by 9.60 inches [304.80 millimetres
by 243.84 millimetres])
Motherboard chipset
Intel® 955X Chipset, consisting of:
. Intel® 82955X Memory Controller Hub (MCH)
. Intel® 82801GR I/O Controller Hub (ICH7-R)
. Firmware Hub (FWH) or Serial Interface (SPI) Flash device
CPU connector type
LGA775 socket
Number of CPUs supported
1
Supported CPU types (C,
P3 or P4 etc)
Pentium 4 and Pentium 4 Extreme Edition (EE)
Supported CPU speeds
CPU No.
CPU speed FSB
L2 cache L3 cache
840 EE
3.20 GHz
800MHz
2 x 1 MB -
800 -840
2.80 - 3.20
GHz
800 MHz
2 x 1 MB -
EE
3.40 GHz
1066 MHz
512 KB
2 MB
620-670
2.80 - 3.80
GHz
800 MHz
2 MB
-
520-570
2.80 - 3.80
GHz
800 MHz
1 MB
-
Front side bus speed
1066MHz and 800MHz
Number of PCI slots
3
PCI slot speeds
33MHz
Number of PCI-E slots
1 x PCI-e x16 and 1 x PCI-e x16/x4 and 1 x PCIe x 1
On board video
No
Onboard audio type
Intel High Definition Audio subsystem in one of the following
configurations:
•
8-channel (7.1) audio subsystem with five analogue audio outputs and
two S/PDIF digital audio outputs (coaxial and optical) using the Sigmatel
9221 audio codec
Front facing audio header
Yes
Audio Upgradeable
via PCI/PCI-E
Onboard network fitted
Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the
Intel® 82573E/82573V/82574V Gigabit Ethernet Controller
Number of network
connections
1
Upgradeable?
Via PCI or PCI-E
Number of IDE channels
1
Number of SATA channels
8 (4 x SATA300 Intel RAID ICH7-R [RAID 0, 1, 0+1 and 5] ) and
(4 x SATA150 Silcon Image RAID Sil 3114 [RAID 0,1 and 0+1])
Maximum number of disks
6 (2 x IDE 2 x SATA) this would require full height ATX case
4 x USB 2
1 x MIC
Note 2 x USB 2 front headers
(2 ports per header)
1 x audio out
1 x serial
1 x audio in
1 x parallel
1 x PS2 mouse
Rear I/O connectors
1 x RJ45 LAN
1 x PS2 keyboard
1 x IEEE1394 (plus two
onboard front headers for an
additional ports IEEE1394a or
b configurable in BIOS)
Memory type
240-pin DDR2 SDRAM DIMM sockets DDR2 533 and DDR2 667
Number of memory sockets
Four 240-pin DDR2 SDRAM DIMM sockets
Maximum memory support
Support for up to 8 GB of system memory
Supported memory speed
DDR 2 533 and DDR2 667
MTBF
91,425.23 hours