Battery Status Lights; Technical Specification - Dell Precision Mobile Workstation M4800 Owner's Manual

Storage LED Power LED
Off Blinking
Off Blinking

Battery Status Lights

If the computer is connected to an electrical outlet, the battery light operates as follows:
Alternately blinking An unauthenticated or unsupported non-Dell AC adapter is attached to your
amber light and laptop.
white light
Alternately blinking Temporary battery failure with AC adapter present.
amber light with
steady white light
Constantly blinking Fatal battery failure with AC adapter present.
amber light
Light off Battery in full charge mode with AC adapter present.
White light on Battery in charge mode with AC adapter present.

Technical Specification

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information about your computer.
Table 16. System Information
Feature
System Chipset
DMA Channels
Interrupt Levels
Wireless LED Fault Description
Blinking The modem is preventing the system from completing
POST.
Off Memory failed to initialize or memory is unsupported.
(Start icon) → Help and Support, and then select the option to view
Specification
Mobile Intel 8 Series Chipset
Enhanced DMA Controller
• Two cascaded 8237 DMA controllers
• Supports LPC DMA
Interrupt Controller
• Supports up to eight legacy interrupt pins
• Supports PCI 2.3 Message Signaled
Interrupts
• Two cascaded 8259 with 15 interrupts
• Integrated IO APIC capability with 24 interrupts
• Supports Processor System Bus interrupt delivery
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