Supero 7042M-6, User Manual

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1-3
Chapter 1: Introduction
I/O Backplane
The SC742S-420 is an ATX form factor chassis that can be used as a
tower or mounted as a 4U rackmount server. The I/O backplane provides
seven motherboard expansion slots, one COM port, one VGA port, a parallel
port, two USB ports, PS/2 mouse and keyboard ports and an Ethernet port.
Cooling System
The SC742S-420 chassis has an innovative cooling design that includes
two 9-cm hot-plug redundant system cooling fans and one heavy duty 12-
cm exhaust fan. The power supply includes both a primary and a second-
ary fan. All fans operate continuously, except for the secondary power
supply fan, which activates only when the primary fails or the temperature
becomes too high.
1-3 Mainboard Features
At the heart of the SuperServer 7042M-6 lies the P4DMS-6GM, a dual pro-
cessor motherboard designed to provide maximum performance in cost-
effective configurations. Below are the main features of the P4DMS-6GM.
Processors
The P4DMS-6GM supports single or dual Intel Xeon 512K L2 cache proces-
sors of up to 2.4+ GHz with a 400 MHz FSB. Please refer to the support
section of our web site for a complete listing of supported processors
(http://www.supermicro.com/TechSupport.htm).
Memory
The P4DMS-6GM has 6 184-pin DIMM slots that can support up to 12 GB of
registered ECC DDR-200 (PC1600) SDRAM. Module sizes of 128MB, 256MB,
512MB 1GB and 2GB may be used to populate the DIMM slots. (DDR-266 is
also supported, but only at 200 MHz.)
Onboard SCSI
Onboard SCSI is provided with an Adaptec AIC-7899 SCSI chip, which sup-
ports dual channel, Ultra160 SCSI at a throughput of 160 MB/sec for each
channel. The P4DMS-6GM provides two Ultra160 SCSI ports.