MiTAC 7521 PLUS/N service manual Low Pin Count Interface, Integrated DMA Controller

7521Plus / N N/B MAINTENANCE

Low Pin Count Interface

Forwards PCI I/O and Memory Cycles into LPC bus

Translates 8/16 bit DMA cycles into PCI bus cycles

Advanced PCI H/W Audio & Modem

Advanced Power Management

Meets ACPI 1.0 Requirements

Meets APM 1.2 Requirements

ACPI Sleep States Include S1, S3, S4, S5

CPU Power States Include C0, C1, C2 C3 Power Button with Override

RTC Day-of-Month, Month-of-Year Alarm 24-bit Power Management Timer

LED Blinking in S0,S1 and S3 States

System Power-Up Events Include: Power Button, Hot-Key, Keyboard Password/ Hot Key, RTC Alarm, Modem Ring-In, SMBALY#, LAN, PME#, AC’97 Wake-Up and USB Wake-Up

Software Watchdog Timer

Power Supply’98 Support

PCI Bus Power Management Interface Spec. 1.0

Integrated DMA Controller

Two 8237A Compatible DMA Controller 8/16 bit DMA data transfer Distributed DMA Support

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