Presario 2246 System Board

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Function Description Reference Designator

Keyboard

Miniature 6-pin ½ J4
Mouse Miniature 6-pin ½ J4
Parallel port DSUB 25-pin J5
Serial DSUB 15-pin J6
USB USB connector J7
Video 15-pin VGA J8
Game DSUB 15-pin J9 (Combined stacked connector)
Microphone in Mini stereo J3 (Combined stacked connector)
Speaker out Mini stereo J1 (Combined stacked connector)
Line out Mini stereo J2 (Combined stacked connector)

DIMM Socket

168-pin DIMM DM1
SODIMM socket 144-pin SODIMM DM2
PCI slot 32-bit PCI connector J17
ISA slots 16-bit ISA connector J10, J11 (combo), J12
CPU core voltage select 6-pin header JP3 & JP4
Socket 7 321-pin PGA U43
Socket 7 clock multiplier 6-pin header JP1
Battery voltage to SMC932 3-pin header JP2

Battery Socket

Battery holder BT1
CD-ROM audio 4-pin header, key 2 J15
IDE drives 40-pin headers, key 20 J14 (primary), J16 (secondary)
Diskette drive 34-pin header J13
Headphone board 5-pin 2mm connector J24
Internal speakers 2-pin header J23 (L), J22 (R)
Second fan 4-pin header, key 2 J21
Reset (NA) 2-pin header J19
Button board 5-pin header J25
Power supply 12-pin ATPWR header J18

 

Series System Board Core Voltage

  233 MHz 266 Mhz
JP1 All Open Short 1 and 2, 5 and 6
JP2 Short 2 and 3 Short 2 and 3
JP2 Short 1 and 2 Short 1 and 2
JP3 Short 5 and 6 (3.2 volts) All Open (2.2 volts)
JP4 All Open Short 3 and 4