Table 2– 54.
Pin | A | B | C | D |
1 | GND/5.0V KEY4 | Reserved | +5 | AD00 |
2 | VI/O (+5V) | AD02 | AD01 | +5V |
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3 | AD05 | GND | AD04 | AD03 |
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4 | C/BE0* | AD07 | GND | AD06 |
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5 | GND | AD09 | AD08 | GND |
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6 | AD11 | VI/O (+5V) | AD10 | M66EN1 |
7 | AD14 | AD13 | GND | AD12 |
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8 | +3.3V | C/BE1* | AD15 | +3.3V |
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9 | SERR* | GND | SB0* | PAR |
10 | GND | PERR* | +3.3V | SDONE |
11 | STOP* | +3.3V | LOCK* | GND |
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12 | +3.3V | TRDY* | GND | DEVSEL* |
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13 | FRAME* | GND | IRDY* | +3.3V |
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14 | GND | AD16 | +3.3V | C/BE2* |
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15 | AD18 | +3.3V | AD17 | GND |
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16 | AD21 | AD20 | GND | AD19 |
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17 | +3.3V | AD23 | AD22 | +3.3V |
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18 | IDSEL0 | GND | IDSEL1 | IDSEL2 |
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19 | AD24 | C/BE3* | VI/O (+5V) | IDSEL3 |
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20 | GND | AD26 | AD25 | GND |
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21 | AD29 | +5V | AD28 | AD27 |
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22 | +5V | AD30 | GND | AD31 |
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23 | REQ0* | GND | REQ1* | VI/O |
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24 | GND | REQ2* | +5V | GNT0* |
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25 | GNT1* | VI/O (+5V) | GNT2* | GND |
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26 | +5V | CLK0 | GND | CLK1F |
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27 | CLK2 | +5V | CLK3 | GND |
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28 | GND | INTD* | +5V | RST* |
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29 | +12V | INTA* | INTB* | INTC* |
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30 | Reserved | Reserved | GND/3.3V KEY4 |
PCI Bus (P21) Notes
1. Signal M66EN is grounded on the motherboard (Ground = 33MHz bus speed).