HP Compaq dc7100 DT Technical Reference Guide

Technical Reference Guide 361834-002 8-5
BIOS ROM
8.3.4 Boot Error Codes
The BIOS provides visual and audible indications of a failed system boot by using the LEDS on
the PS/2 keyboard and the system board speaker. The error conditions are listed in the following
table.
NOTE:
[1] Provided with PS/2 keyboard only.
Table 8-2
Boot Error Codes
Visual [1] Audible Meaning
Num Lock LED blinks 1 short, 2 long beeps System memory not present or incompatible.
Scroll Lock LED blinks 2 long, 1 short beeps Hardware failure before graphics initialization.
Caps Lock LED blinks 1 long, 2 short beeps Graphics controller not present or failed to
initialize.
Num, Caps, Scroll Lock LEDs
blink
1 long, 3 short beeps ROM failure.
Num, Caps, Scroll Lock LEDs
blink in sequence
none Network service mode

HP Compaq dc7100 DT Specifications

General

Processor Speed	Up to 3.8 GHz
Chipset	Intel 915G
Memory	Up to 4 GB DDR2 SDRAM
Operating System	Windows XP Professional
Form Factor	Desktop
Processor	Intel Pentium 4
Storage	40 GB to 160 GB SATA
Graphics	ATI Radeon X300 SE
Optical Drive	DVD-ROM
Audio	Integrated audio
Network	Integrated Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	1 Parallel, 1 Serial, 2 PS/2, 1 VGA