Chapter 2 | Product Overview |
CRT (J5) | CRT Fuse (F5) LCD 2 (J4) LCD 1 (J3) |
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| L9 | J5 |
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| J3 |
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| L8 | F5 |
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| J4 |
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Fan (J2) |
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| J2 |
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| DIMM1 |
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| CPU (U1) |
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| LVDS (J31) |
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| U34 |
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Utility 3 (J18) | L5 |
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| U21 | 5 e |
| J21 |
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| J1 | U15 |
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| Out (J28) | |||
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| Southbridge | U25 |
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| U24 | U22 |
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| U4 | Y1 |
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(J21) |
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| U20 | U23 |
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CompactFlash |
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| U19 | BAT1 |
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Socket (J23) |
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| JP6 |
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| Ethernet | |||
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| U9 |
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| JP4 | JP3 |
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| JP7 |
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Parallel (J15) |
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| J11 | J7 |
| J32 |
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| J13 |
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| Ethernet | ||
Floppy (J14) |
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| U14 | U12 |
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| U8 | U7 |
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| Port 1 (J7) | |||||
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| J14 |
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| J17 |
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| Ethernet |
Utility 2 (J24) |
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| Grounding | |
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| J16 |
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| J12 |
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| J10 | Pad |
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Utility 1 (J16) Primary IDE (J12) | Secondary IDE (J17) | Power In (J10) Board | ||
Serial B (J13, Serial Ports 3 & 4) | Serial A (J11, Serial Ports 1 & 2) | Grounding | ||
Pad (8) | ||||
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Figure 2-4. Connector and Fuse Locations (Top view)
CAUTION The two Ethernet ports share a common ground (transformer center tap), that is floating until you determine how the common ground is connected. The grounding holes (8) of the LittleBoard 550 are connected to ground potential (return) of the DC power supply connected to the board through J10.
NOTE | |
| jumpers in all illustrations. |
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LittleBoard 550 | Reference Manual | 13 |