Problem:

So I get a hold of a MDG Laptop - Model CL50.  Fails PnP.  Boot the system up, plug in a device, NOTHING happens.  So I shut it down, plug the same device in, reboot. The device works.

Details:

   Motherboard: 
    CPU Type   Mobile Intel Pentium M, 1300 MHz (13 x 100) 
    Motherboard Name   Compal CL50 
    Motherboard Chipset   Intel Odem i855PM 
    System Memory   256 MB (PC2100 DDR SDRAM) 
    BIOS Type   Insyde (05/21/01) 
    Communication Port   Printer Port (LPT1) 
  
   Display: 
    Video Adapter   MOBILITY RADEON 9000 (64 MB) 
    Video Adapter   MOBILITY RADEON 9000 (64 MB) 
    3D Accelerator   ATI Mobility Radeon 9000 (M9) 
  
   Multimedia: 
    Audio Adapter   Realtek ALC202(A) @ Intel 82801DBM ICH4-M - AC'97 Audio Controller [B-1] 
  
   Storage: 
    IDE Controller   Intel(R) 82801DBM Ultra ATA Storage Controller - 24CA 
    IDE Controller   Winbond Secure Digital Storage Device Driver 
    Disk Drive   FUJITSU MHS2040AT (40 GB, 4200 RPM, Ultra-ATA/100) 
    Disk Drive   Winbond Secure Digital Drive 
    Optical Drive   QSI CDRW/DVD SBW-242 (DVD:8x, CD:24x/10x/24x DVD-ROM/CD-RW) 
    SMART Hard Disks Status   OK 
  
   Input: 
    Keyboard   Standard 101/102-Key or Microsoft Natural PS/2 Keyboard 
    Mouse   Microsoft PS/2 Port Mouse (IntelliPoint) 
  
   Network: 
    Network Adapter   Intel(R) PRO/Wireless LAN 2100 3B Mini PCI Adapter 
    Network Adapter   Realtek RTL8139 Family PCI Fast Ethernet NIC
    Modem   Smart Link 56K Modem 
  
   Peripherals: 
    Printer   Adobe PDF 
    Printer   Microsoft Office Document Image Writer 
    FireWire Controller   VIA VT6307 Fire IIM IEEE1394 Host Controller (PHY: VIA VT6307) 
    Infrared Controller   Infrared Port 
    USB1 Controller   Intel 82801DBM ICH4-M - USB Controller [B-1] 
    USB1 Controller   Intel 82801DBM ICH4-M - USB Controller [B-1] 
    USB1 Controller   Intel 82801DBM ICH4-M - USB Controller [B-1] 
    USB2 Controller   Intel 82801DBM ICH4-M - Enhanced USB2 Controller [B-1] 
    USB Device   USB Mass Storage Device 
    Battery   Microsoft AC Adapter 
    Battery   Microsoft ACPI-Compliant Control Method Battery 
  
   DMI: 
    DMI BIOS Vendor   
    DMI BIOS Version   
    DMI System Manufacturer   
    DMI System Product   
    DMI System Version   
    DMI System Serial Number   
    DMI System UUID   FFFFFFFF-FFFFFFFF-FFFF0002-3FB8623A 
    DMI Motherboard Manufacturer   Compal 
    DMI Motherboard Product   CL50 
    DMI Motherboard Version   Null 
    DMI Motherboard Serial Number   123456789AB 
    DMI Chassis Manufacturer   COMPAL 
    DMI Chassis Version   N/A 
    DMI Chassis Serial Number   None 
    DMI Chassis Asset Tag   Not Assert Tag 
    DMI Chassis Type   Portable 
    DMI Total / Free Memory Sockets   2 / 1 

Solution:

Find Microsoft ACPI-Compliant System - remove it.  Install Intel chipset drivers and reboot.  All system device are re-detected - and - PnP works!