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System Board Locations—Type A-1
J1 Fan connector
J2 USB connectors (top=USB1; bottom=USB0)
J3 Internal VGA connector
J5 DIMM connector (Bank 2)
J6 DIMM connector (Bank 1)
J7 DIMM connector (Bank 0)
J8 Primary Hard Disk IDE (Hard Disk 1, Hard Disk 2)
J9 Secondary Hard Disk IDE (Hard Disk 3 or CD/DVD-ROM, Hard
Disk 4)
(For hard disk drive jumper settings, see page 5-10)
J10 Monitor signal connector
J11 SO-DIMM socket (video upgrade)
J14 VESA video feature connector
J16 PCI 3 connector
J17 PCI 2 connector
J18 PCI 1 connector
J19 ISA 3 connector
J20 ISA 2 connector
J21 ISA 1 connector
J23 Parallel/Serial Port connector (top=parallel; bottom=serial)
J24 Mouse/Keyboard connector (top=mouse; bottom=keyboard)
J26 Diskette drive connector
J27 AC-3 connector
J29 Multimedia connectors (top=MIDI/Joystick; bottom=audio
out,in,mic)
J30 CD/DVD-ROM audio connector
J31 TV-In connector
J32 Modem audio-In connector
J33 Media Console connector (Type 2142 only)
J34 Power connector
J38 Power/hard disk LED connector
J39 External speaker jumper/connector (Normal: 1-2)
J41 Audio amplifier connector
JP1 Processor type (Normal: 1-3, 2-4)
JP2 Processor type (Normal: short)
JP3 Core/Bus Frequency Ratio (See Figure 5-2 on page 5-4)
JP4 Internal VGA (Normal: 1-2)
JP5 Internal VGA Clock and INTA# Select (Normal: 1-3, 2-4)
JP6 CMOS, Power-on Password Reset (Normal: 1-2, Clear: 2-3)
JP11 Diskette Write (Enable: 1-2, Disable: 2-3)
JP12 CPU BUS Frequency (Normal: 1-2, 3-4)
JP21 CS4610 Interrupt (Normal: 1-2)
U1 Processor
Parts/Test Point Locations
5-3