IBM Aptiva Hardware Maintenance Guide

Parts/Test Point Locations 5-17
System Board Connectors and Functions
Table 5- 10 2138 System Board Connector Functions
Connector Function Connect to…
CN1 Standby power connector Power supply
CN3 Universal Serial Bus (USB) connector USB device
CN4 Standby power connector Power supply
CN5 Upper: PS/2 mouse connector
Lower: PS/2 keyboard connector
Keyboard
Mouse
CN6 Upper: Printer port (25-pin female)
Lower: Serial port 1 (9-pin male)
Video port (15-pin female)
Printer
Serial device
Monitor
CN7 ATI media connector (AMC) Reserved
CN8 Secondary IDE connector Hard disk drive
CN9 Primary IDE connector Hard disk drive
CN10 Upper: MIDI connector
Lower: Mic-in/Line-in/Line-out
connectors
Joystick
Speaker,
microphone
CN13 Modem/Line-in connector Modem card
CN14 Wake-up on LAN connector LAN card
CN15 CD audio input connector CD-ROM drive
CN16 Software shutdown connector Power switch
CN17 Modem wakeup on ring connector Modem card
CN18 CS4610 adapter feature connector Reserved
CN19 Diskette drive connector Diskette drive
CN20 Serial port 2 connector Serial device
CN21 IDE LED connector
Connect the red wire to pin-1, white
wire to pin-2, then leave pin-3, -4 as
non-connected; or connect the red wire
to pin-4, white wire to pin-3, then leave
pin-1, -2 as non-connected.
Hard drive LED
CN24 Power LED connector
Connect the green wire to pin-1, white
wire to pin-2.
Power LED
FN1 Processor heat-sink fan connector Processor fan

IBM Aptiva Specifications

General

CPU	Intel Pentium
RAM	8 MB to 64 MB
Operating System	Windows 95
Graphics	S3, ATI
Optical Drive	CD-ROM
Ports	Serial, Parallel, PS/2
Expansion Slots	ISA, PCI