Service Reference Guide, d300, dx6050
319865-008
F–3
System Board and Riser Board Reference Designators
P22
P23
P24
P25 - P26
P27
Slimline CD-ROM connector
Header for front audio panel
Header for front panel USB
Video memory upgrade connector
MultiBay header
P29
P30
P31
P50
P52
SCSI LED connector
Primary serial ATA (SATA) port
Secondary serial ATA (SATA) port
Serial debug header
Serial port header
P53
P54
P55
First serial port
Second serial port
Double stack serial port
Top Serial B
Bottom Serial A
P58
P64
P65
P70
P71
Riser edge connector (male-mates with J30)
VSFF expansion connector
Graphics option connector
Primary (CPU) fan header for fansink
Secondary CPU fan header for fansink
P89
P100
P101
P120
P124
Floating serial port /COM port header
ITP connector
Security card connector, system board
Secondary chassis fan header
Hood lock header
P125
P216
SW1
SW2
SW50
Hood sensor header
White box chassis fan
Processor speed switch
Security hood switch
Clear CMOS switch/push button
SW51
SW52
U15
U100
XBT1
Power button switch
System reset switch
ROM chip
Security chip
Battery socket
XMM1
XMM2 - XMM5
XU1
XU2
XU15
Memory slot. DIMM1 or RIMM1 populated and tested
Following memory slots
Primary processor socket
Secondary processor socket
ROM socket
XU100
Y1
Y2
Y3
Y4
Y5
Security chip socket
Primary (TH) system clock crystal
Secondary (SMT) system clock crystal
Primary (YTH) NIC clock crystal
Secondary (SMT) NIC clock crystal
RTC clock crystal/tie-down
Designator
Component
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Summary of Contents for Compaq d300 Series
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Page 32: ...2 20 319865 007 Service Reference Guide d300 Setup Utilities and Diagnostics Features ...
Page 196: ...C 8 319865 008 Service Reference Guide d300 dx6050 POST Error Messages ...
Page 222: ...D 26 319865 008 Service Reference Guide d300 dx6050 Troubleshooting Without Diagnostics ...
Page 226: ...E 4 319865 008 Service Reference Guide d300 dx6050 Memory ...
Page 238: ...Index 8 319865 008 Service Reference Guide d300 dx6050 Index ...