System Board Locations—Type I-1
J1 Keyboard connector
J2 Mouse connector
J3 Serial Port A connector
J4 Serial Port B connector
J5 Parallel Port connector (Printer)
J6 Monitor signal connector
J7 Diskette drive connector
J8 Power supply connector
J9 Primary Hard Disk IDE (Hard Disk 1, Hard Disk 2)
J10 Primary Hard Disk IDE (Hard Disk 3 or CD-ROM, Hard Disk 4)
(For hard disk drive jumper settings, see page 5-11)
J11 Riser Connector—ISA AT bus
J13 System board flash jumper (Normal: 1-2)
J14 VESA Video feature connector
J15 Video Disable (Normal: 1-2)
J20 RAM 72-pin memory SIMM Socket - Bank 2 (see page 5-18)
J21 RAM 72-pin memory SIMM Socket - Bank 1 (see page 5-18)
J22 RAM 72-pin memory SIMM Socket - Bank 0 (see page 5-18)
J26 LED Connector (Power: 1-2, Hard Disk Drive: 3-4)
J27 Internal Speaker (Enable: 1-2, Disable: open)
J29 Power Supply 2-pin connector (on/off switch)
J30 Power Supply 3-pin connector
J34 Riser Connector—VESA local bus
J35,J36,J37 System board clock speed selection
J41 Infrared (IR) connector
J42 Internal graphics connector
JP1 Diskette drive write protect override jumper
JP2 Smart Energy System (SES) supply present (Normal: 2-3)
JP3,JP4 VESA local bus jumpers (VESA: 1-2, PCI: 2-3)
JP5 Modem Wake Up on Ring
JP6/JP30 System board voltage regulator
JP7 VESA local bus connector
JP8,JP9 DMA channel jumpers
JP10 DX4 Processor speed jumper
JP11 Linear graphics size jumper (128MB: 1-2, 2GB: 2-3)
JP12 Mouse enable (Enable: 1-2, Disable: 2-3)
JP13 VESA local bus jumper
JP14 Power-on Password Reset (Normal: 1-2, Clear: 2-3)
JP15 VGA jumper (Enable: 1-2, Disable: 2-3)
JP23,JP24,JP25 Processor jumpers (see page 5-4)
JP38,JP39,JP40 Processor jumpers (see page 5-4)
JP41 Printer IRQ select jumper
U6 Processor
U18 Video Memory Module Connector
U22 System BIOS
U28 Cache Memory Tag Socket (see page 4-14)
U29,U30,U31,U32 Cache Memory Sockets (see page 4-14)
Parts/Test Point Locations
5-3
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