2 System Board
The Input/Output Controller Hub 2 (82801BA)
The Super I/O Controller (NS 87364)
The Super I/O chip (NS 87364) provides the control for two FDD devices, two serial ports, one bidirectional
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| Device | Index | Data |
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| Super I/O | 2Eh | 2Fh |
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Serial / Parallel |
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The | |||||
Communications Ports | |||||
| be programmed as COM1, COM2, COM3, COM4, or disabled. |
The
❒Standard mode (PC/XT, PC/AT, and PS/2 compatible).
❒Bidirectional mode (PC/XT, PC/AT, and PS/2 compatible).
❒Enhanced mode (enhanced parallel port, EPP, compatible).
❒High speed mode (MS/HP extended capabilities port, ECP, compatible).
FDC | The integrated floppy disk controller (FDC) supports any combination of |
| two of the following: tape drives, |
| flexible disk drives. It is software and |
| and 100% |
| a |
Keyboard and Mouse | The computer has an |
Controller | connector pin layouts are shown on page 122. |
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