Chapter 1 Introduction
Compaq Deskpro Personal Computers
Third Edition – April 2001
1-2
1.2 ADDITIONAL INFORMATION SOURCES
For more information on components mentioned in this guide refer to the indicated manufacturers’
documentation, which may be available at the following online sources:
♦  Compaq Computer Corporation: http://www.compaq.com
♦  Intel Corporation: http://www.intel.com
♦  Standard Microsystems Corporation: http://www.smsc.com
♦  Texas Instruments Inc.: http://www.ti.com
♦  USB user group: http://www.usb.org
1.3 MODEL NUMBERING CONVENTION
The model numbering convention for Compaq Deskpro units is as follows:
1.4 SERIAL NUMBER
The unit’s serial number is located on a sticker placed on the exterior cabinet. The serial number
may also be read with the Compaq Diagnostics or Compaq Insight Manager utilities.
   ENX/XNNN/NNX/N/NNNx 
 
 
 
Removable storage: b = CD/CDRW, c = CD, d = DVD, r = CDRW, z = ZIP 
Memory (in MB) 
OS type: 2 = Windows 2000; 6 = Dual install. Windows NT 4.0 or 2000)  
Chipset type (b = 810E, e = 815E) 
Hard drive size (in GB) 
Processor speed (3 digits, in MHz; 2 digits, in GHz) 
Processor type: C = Celeron; P = Pentium 
Form factor: S = Small form factor, L = slim desktop, C = Convertible minitower