Dell PRECISION 530 - Manual (Page 136)

136 Technical Specifications
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m Ports
Externally accessible:
Serial ( DTE ) two 9-pin connectors; 16550-compatible
Parallel one 25-hole connector (bidirectional)
Video one (two, optional)15-hole connector(s) (on video card)
Network adapter RJ45 connector
PS/2 -style keyboard 6-pin mini-DIN
PS/2-compatible mouse 6-pin mini-DIN
USB four USB-compliant connectors (two on front panel, two on back panel)
Audio one line-in jack; two speaker/headphone jacks (one on front panel, one on
back panel); one microphone jack
IEEE 1394 two 6-pin receptacle connectors (one on front panel, one on back panel)
Internally accessible:
SCSI drive 68-pin connector
Primary EIDE drive 40-pin connector
Secondary EIDE drive 40-pin connector
Diskette drive 34-pin connector
CD drive audio interface 4-pin connector
Fans three 3-pin connectors
TAPI 4-pin connector
Key Combinations
restart (reboot) the computer
starts system setup (during POST only)
<\> toggle microprocessor speeds on 101-key keyboard (in MS-DOS ® real mode
only)
<#> toggle microprocessor speeds on 102-key keyboard (in MS-DOS real mode
only)
disable system password at start-up (after correct password is entered)
boot from the network (during POST only)