Compaq 7470 Service Guide - Page 67

Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Home Removal & Replacement Troubleshooting Jumper & Switch Information Illustrated Parts Catalog Specifications System boards Hard drives DVD drive CD drive Zip drive JUMPER & SWITCH INFORMATION System Board Connectors Click on an item number to identify the system board component. Number Function Description Reference Designator 1 Diskette Drive 34-pin FDD1 2 Primary IDE Drive 40-pin IDE1 3 Secondary IDE Drive 40-pin IDE2 4 Front I/O Panel 10-pin USB2 5 Button Board 20-pin J2 6 N/A 7 Processor Bus Frequency 4, 2-pin Jumper JP12-15 8 CMOS 3-pin JP3 9 Battery Battery Socket holder BAT1 1012,14 PCI Slots 32-bit PCI connector PCI 1 to 4 13 CD Audio 4-pin CD1 15 Fan 3-pin Fan1 16 N/A 17 Socket 7 321-pin PGA U6 18 Power Supply 20-pin CN1 19 CPU Core Voltage 5, 2-pin Select JP7-11 20 Clock Multiplier 3, 2-pin JP4-6 21-23 DIMM Sockets 168-pin DIMM DIMM 1 to 3 24 Mouse Miniature 6pin PS1 (1/2) 25 Keyboard Miniature 6pin PS1 (1/2) 26 Back USB Dual 4-pin USB1 27 Serial Port DSUB 9-pin Con1 28 Parallel Port DSUB 25pin PJ1 29 VGA DSUB 15- Connector pin VGA1 30 Line Out Mini Stereo Game1D 31 Line In Mini Stereo Game1B 32 Microphone Mini Stereo Game1C 33 Game Port DSUB 15pin Game1A