Dell Precision 620 User Manual page 69

KYBD/MOUSE
LAN
LINE-IN
LINE-OUT
MEC_A
MEC_B
MIC
PANEL
PARALLEL/SCSI
PCI1, PCI2, PCI3, PCI4
PCI5, PCI6
MT PWR1
MT PWR2
RAID
SCSI_NARROW
SCSI_ULTRA2
SERIAL1/2
S2_PRI
S2_SEC
TAPI
USB
WUOL
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary.
I/O Ports and Connectors
The I/O ports and connectors on the back panel of your computer are the gateways through which your computer system communicates with
external devices, such as a keyboard, mouse, printer, and monitor. Figure 3 identifies the I/O ports and connectors for your system.
Figure 3. I/O Ports and Connectors
1 Parallel port connector
2 Serial port 1 connector
3 Mouse connector
4 Keyboard connector
5 USB connectors
6 Video connector (may be in first or second expansion slot)
7 NIC connector
Keyboard connector and mouse connector (stacked)
Wakeup On LAN card connector
Audio line-in jack
Audio line-out jack
MEC socket (channel A)
MEC socket (channel B)
Microphone jack
Control panel connector
Parallel port connector (sometimes referred to as LPT1) and SCSI connector (stacked)
32-bit PCI expansion-card connectors
64-bit PCI expansion-card connectors
Main power input connector
Main power input connector
Optional RAID PCI expansion card connector extension
Secondary SCSI connector
Primary SCSI connector
Serial port connectors (sometimes referred to as
COM1 and COM2; stacked)
® ®
Primary Intel Pentium III Xeon™ microprocessor SEC cartridge connector
Secondary Pentium III Xeon processor SEC cartridge connector
TAPI input card connector (voice modem to audio system interface)
USB connectors
Wake-Up on LAN connector
8 Diagnostic LEDs (See Messages and
9 Audio line-in jack
10 Audio line-out jack
11 Microphone jack
12 Serial port 2 connector
13 External SCSI connector
Codes.)