Dell PowerEdge 6400 - Manual (Page 80)

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Technical Specifications: Dell™ PowerEdge™ 6400 Systems User's Guide
Microprocessor
Expansion Bus
Memory
Drives
Ports
Microprocessor Video
Expansion Bus Power
Memory Physical
Drives Environmental
Ports
Microprocessor types one to four Intel ® Pentium® III Xeon™ processors (or future generation Intel microprocessors) with an internal
operating frequency of 550 MHz and an external operating frequency of 100 MHz
Internal cache 512-KB, 1-MB, or 2-MB L2 cache
Math coprocessor internal to microprocessor
Bus type three peer PCI buses: two 64-bit buses and one 32-bit bus
Expansion slots seven hot-pluggable PCI slots (two 64-bit/66 MHz, four 64-bit/33 MHz, and one 32-bit/33 MHz)
DIMM sockets 16 168-pin sockets
DIMM capacities 64-MB, 128-MB, 256-MB, or 512-MB registered synchronous dynamic random-access memory (SDRAM) DIMMs;
must be rated for 133-MHz operation
Standard RAM (minimum) 256 MB
Maximum RAM 8 GB
External cache none
Diskette drive one 3.5-inch, 1.44-MB diskette drive included with standard system
Tape drive 20 GB and higher (optional)
SCSI hard-disk drives formatted capacities ranging from 9 GB to 36 GB and higher
SCSI devices a six-slot SCSI backplane board allows the option of six hot-pluggable, 1- or 1.6-inch SCSI hard-disk drives; an
eight-slot SCSI backplane board allows for eight hot-pluggable, 1-inch SCSI hard-disk drives; a two-slot backplane
allows for two optional, hot-pluggable, 1-inch drives that can be installed in the removable media bay
CD-ROM drive one SCSI CD-ROM drive included with standard system
Externally accessible:
Serial two 9-pin connectors
Parallel
(bidirectional) one 25-pin connector
Video one 15-pin connector
PS/2-style
keyboard 6-pin mini-DIN