Compaq 4000N - Manual (Page 25)

Technical Reference Guide
Compaq Deskpro 4000N and 4000S Personal Computers
First Edition -September
2-7
2.3.3 SYSTEM BOARD LAYOUT
Item Function
1 Graphics monitor connector (J2)
2 Top, Mouse interface connector; Bottom, keyboard connector (J9)
3 NIC AUI connector header (P15)
4 NIC RJ-45 connector (J5)
5 Serial interface connector (P24)
6 Parallel interface connector (J3)
7 Universal serial bus connectors (J6)
8 Power supply connector (P17)
9 RTC/CMOS Battery
10 RTC/CMOS battery replacement header (P14)
11 Power switch, PWR/HD LED cable connector (P16)
12 Processing frequency configuration switch (SW1)
13 CD-ROM connector (P25)
14 Secondary IDE connector (P21)
15 Primary IDE connector (P20)
16 Diskette drive connector (J1)
17 Microprocessor (in type 7 socket)
18 DIMM sockets (J7, J8)
19 CD-ROM drive connector P25 audio out (J11)
20 Riser card connector (J4)
Figure 2–5. System Board Layout, Component Side
System Board
p/n 006582-xxx (4000S)
or
p/n 007602-xxx (4000N)
1 3 4 5 2
8
11
12
14
10
18
9
20
6 7
13
17
15
16
19