Dell Precision 620 User Manual page 122

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