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34 Specifications
Expansion slots
Mini Tower: four full-height slots
Desktop: four half-height slots without riser, two
full-height slots, two half-height slots with riser
Small Form Factor: two half-height slots
PCI Express
Mini Tower and Desktop: one x16 connector and
one x1 connector
Small Form Factor: one x16 connector
Front panel USB
Mini Tower: two 10-pin connectors
Desktop: one 10-pin connectors
Small Form Factor: one 10-pin connectors
Processor
one 775-pin connector
Front panel control
one 10-pin connector
Front panel audio HDA
header
one 10-pin connector
Memory
four 240-pin connectors
Power 12 V
one 4-pin connector
Power
one 24-pin connector
LAN on motherboard
(LOM)
through RJ-45 connector on back panel
Controls and Lights
Front of computer:
Power button
push button
Power light
blue light — Blinking blue in sleep state; solid blue
for power-on state
amber light — A boot failure has occurred. See
"Power Problems" on page 39.
Drive activity light
blue light — A blinking blue light indicates the
computer is reading data from or writing data to the
SATA hard drive or CD/DVD.
Diagnostic light
amber
Connectors (continued)