Dell Precision 620 - Manual (Page 122)

Architecture RDRAM technology
Memory slots 8 RIMMs (4 on each MEC)
Memory module capacities 64-, 128-, 256-, and 512-MB 800 MHz with ECC
BIOS address F000:0000h-F000:FFFFh
Drives
Externally accessible bays: one 3.5-inch bay for a 3.5-inch diskette drive; three 5.25-inch bays for removable media
devices
Internally accessible bays: four 3.5-inch bays for up to four 1-inch-high hard-disk drives, up to three 1.6-inch-high hard-
disk drives, or two 1-inch-high hard-disk drives and two 1.6-inch-high hard-disk drives
Ports and Connectors
Externally accessible:
Serial (DTE) two 9-pin connectors; 16550-compatible
Parallel 25-hole connector (bidirectional)
Video 15-hole connector (on video card)
Audio three 1/8-inch phone jacks for microphone, audio in, and audio out
Integrated NIC RJ45 connector
PS/2-style keyboard 6-pin mini-DIN
PS/2-compatible mouse 6-pin mini-DIN
Secondary Ultra/Wide SCSI 68-pin connector
USB two USB-compliant connectors
Internally accessible:
Primary EIDE hard-disk drive 40-pin connector on PCI local bus
Secondary EIDE hard-disk drive 40-pin connector on PCI local bus
Primary Ultra 160/M LVD SCSI 68-pin connector
Secondary Narrow SCSI 50-pin connector
Diskette drive 34-pin connector
Hard-disk drive LED 4-pin connector
Remote Wake Up On LAN 3-pin connector
Audio 4-pin aux-in pocket connector; and 4-pin TAPI pocket connector
Fans five 3-pin connectors
Graphics and Video
Graphics architecture AGP Pro (4X) video card (see manufacturer's specifications)