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5
MAINBOARD
Mainboard features
Feature
Processor
Memory, dynamic random
access (DRAM)
Video memory (DRAM)
PCI Segment A bus
PCI Segment B bus
ISA bus
Server Management
Graphics
SCSI
System I/O
Description
Installed: Up to four Pentium ® II Xeon ™ processors, packaged in single
edge contact (S.E.C.) cartridges and installed in 330-pin Slot 2 processor
connectors, operating at 1.8 V to 3.5 V. The mainboard voltage regulator is
automatically programmed by the processor's VID pins to provide the
required voltage.
Includes connectors for six VRM 8.3-compliant plug-in voltage-regulator
modules. Three modules per pair of processors, (a single processor needs two
modules).
Single plug-in module containing 64/72-bit four-way-interleaved pathway to
main memory supporting EDO DRAM.
128 MB to 4 GB of error correcting code (ECC) memory
Four DIMMs per bank, all must be identical
Minimum DIMM size 32Mb, recommended 60ns
Installed: 2 MB of video memory.
PCI-A—Three expansion connectors and four embedded devices:
Programmable interrupt device (PID)
PCI/ISA/IDE Accelerator (PIIX4E) for PCI-to-ISA bridge, PCI IDE
interface, and Universal Serial Bus (USB) controller
PCI video controller (Cirrus Logic GD5480)
PCI narrow SCSI controller (Symbios SYM53C810AE)
PCI-B—Four expansion connectors (one physically shared with the ISA slot)
and one embedded device:
Wide Ultra/Ultra II SCSI controller (Symbios SYM53C896)
One expansion slot for add-in boards (shared with a PCI-B slot). Embedded
PC-compatible support (serial, parallel, mouse, keyboard, diskette).
Thermal/voltage monitoring and error handling.
Front panel controls and indicators (LEDs).
Integrated onboard Cirrus Logic GD5480 super video graphics array
(SVGA) controller.
Two embedded SCSI controllers:
Symbios SYM53C810AE—narrow SCSI controller on PCI-A bus providing
support for the legacy 8-bit SCSI devices in the 5.25-inch drive bays.
Symbios SYM53C896—dual-channel wide LVD/SE (Ultra2/Ultra)
SCSI controller on PCI-B bus driving one SCSI backplane in the system and
providing support for external expansion.
PS/2-compatible keyboard and mouse ports, 6-pin DIN.
Advanced parallel port, supporting Enhanced Parallel Port (EPP) levels 1.7
and 1.9, ECP, compatible 25-pin.
VGA video port,15-pin.
Two serial ports, 9-pin (serial port A is the top connector).
FT5000 HANDBOOK
5/1
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