Gateway 7400 System Manual (PDF Version) - Page 144
Address, Resource, System Control Port A PC-AT control Port
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Address 0070h 0072h 0074h 0076h 0071h 0073h 0075h 0077h 0080h - 008Fh 0090h - 0091h 0092h 0093h - 009Fh 0094h 00A0h - 00A1h 00A4h - 00A15 00A8h - 00A19 00Ach - 00Adh 00B0h - 00B1h 00B2h 00B3h 00B4h - 00B5h 00B8h - 00B9h 00BCh - 00BDh 00C0h - 00DFh 00F0h 00F8h - 00FFh 0102h 0170h - 0177h 01F0h - 01F7h 0200h - 0207h 0220h - 022Fh Resource NMI Mask (bit 7) and RTC Address (bits 6::0) NMI Mask (bit 7) and RTC Address (bits 6::0) NMI Mask (bit 7) and RTC Address (bits 6::0) NMI Mask (bit 7) and RTC Address (bits 6::0) RTC Data RTC Data RTC Data RTC Data DMA Low Page Register DMA Low Page Register System Control Port A (PC-AT control Port) DMA Low Page Register Video Display Controller Interrupt Controller 2 Interrupt Controller 2 Interrupt Controller 2 Interrupt Controller 2 Interrupt Controller 2 Advanced Power Management Control Advanced Power Management Status Interrupt Controller 2 Interrupt Controller 2 Interrupt Controller 2 DMA Controller 2 Clear NPX error x87 Numeric Coprocessor Video Display Controller Secondary Fixed Disk Controller (IDE) Primary Fixed Disk Controller (IDE) Game I/O Port Serial Port A 136 System Specifications
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