Pin Assignments
24 | RSDIOR# | Secondary disk IO read | O |
25 | RSDIOW# | Secondary disk IO write | O |
27 | RSIORDY | Secondary disk IO channel ready | I |
29 | IRQ15 | Secondary disk interrupt | I |
50 | NC |
| NC |
49 | NC |
| NC |
37 | CDROMLED# | CDROM access indicator | O |
2 | CD_R | CDROM sound right signal | O |
4 | GND | Ground | I |
1 | CD_L | CDROM sound left signal | O |
3 | CD_RGND | Left Ground | I |
39,41,38,40,42 | +5Vs | +5V power supply | I |
23,43,44,45,46,48 | Gnd | Ground | O |
47 | CSEL | SELECT MASTER OR SLAVE | I |
B.7 DC-IN Jack Pin Assignment
The pin assignment of the DC-IN connector is as follows:
No | Signal | Description | Type |
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|
|
1 | ADAPV+ | Adapter input voltage | I |
2 | Gnd | Ground | O |
B.8 LCD Connector Pin Assignment
The pin assignment of the LCD connector is as follows:
NO. | Signal | Description | Type |
|
22 | INVENA | Flat panel backlight signal | O |
|
control the LCD backlight. |
| |||
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| |
2 | LCDID0 | LCD type bit0 | I |
|
4 | LCDID1 | LCD type bit1 | I |
|
6 | LCDID2 | LCD type bit2 | I |
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8 | LCDID3 | LCD type bit3 |
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20 | BRIGHTNESS | LCD brightness adjust voltage | O |
|
23 | TXOUTU0- |
| O |
|
21 | TXOUTU0+ |
| O |
|
17 | TXOUTU1- |
| O |
|
15 | TXOUTU1+ |
| O |
|
11 | TXOUTU2- |
| O |
|
9 | TXOUTU2+ |
| O |
|
5 | TXCLK- |
| O |
|
3 | TXCLK+ |
| O |
|
16 | MAIL LED |
|
|
|
10 | LED GREEN |
|
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12 | LED AMBER |
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14 | LED CHG |
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46,48,50 | +3V |
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24,26,28,30,32 | +5V |
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1,7,13,19,25,31,37,43,49,34,36,38, | GND |
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40,42,44 |
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| |
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| |
18 | NC |
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FIC A550 Service Manual |
