
I n s i d e t h e S y s t e m U n i t
System connectors
There are three system connectors used to connect various features to the motherboard. You should not normally need to disturb these connections but if they become loose you may need to
Connector | Pins | Function |
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PL24 | 3 & 4 | HDD activity LED |
| 5 to 13 | Unused |
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|
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PL28 | 1 to 7 | Unused |
| 8 to 10 | System fan, slow mode |
| 11 to 13 | System fan, full speed mode |
| 14 & 17 | Mono speaker (VS models) |
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PL2 | 1 & 2 | Left stereo speaker (MS/LS models) |
| 5 & 6 | Right stereo speaker (MS/LS models) |
A/6 APRICOT 340 OWNER’S HANDBOOK