42
Chapter 2
System Board
Chipset
PIIX4E (82371EB)
Table 2-3. PIIX4E (82371EB) Chip Features
Feature
Feature
Multifunction PCI to ISA Bridge, supports
• PCI at 30 MHz and 33 MHz.
• PCI Rev 2.1 Specification.
• Full ISA or Extended I/O (EIO) Bus.
• Full Positive Decode or Subtractive Decode
of PCI.
• ISA and EIO at of PCI Frequency.
Enhanced DMA Controller
• Two 82C37 DMA controllers.
• Supports
PCI
DMA
with
3
PC/PCI
Channels and Distributed DMA Protocols
(simultaneously).
• Fast Type-F DMA for reduced PCI Bus
usage.
Supports both Mobile and Desktop Deep
Green Environments
• 3.3V Operation with 5V Tolerant Buffers.
• Ultra-low Power for Mobile Environments
Support.
• Power-On
Suspend,
Suspend
to
RAM,
Suspend to Disk, and Soft-Off System
States.
• All Registers Readable and Restorable for
Proper Resume from 0.V Suspend.
Interrupt Controller Based on TWo 82C59
• 15 Interrupt support.
• Independently
programmable
for
Edge/Level sensitivity.
• Supports Optional I/O APIC.
• Serial Interrupt Input.
Power Management Logic
• Global and Local Device Management.
• Suspend and Resume Logic.
• Supports Thermal Alarm.
• Support for external microcontroller.
• Full support for Advanced Configuration
and Power Interface (ACPI) Revision 1.0
specification,
and
OS
Directed
Power
Management.
Integrated IDE Controller
• Independent Timing of up to four drives.
• PIO Mode 4 and Bus Master IDE transfers
up to 14 Mbytes/sec.
• Supports “Ultra DMA/33” Synchronous
DMA Mode transfers up to 33 Mbytes/sec.
• Integrated 16 x 32-bit buffer for IDE PCI
Burst transfers.
• Supports Glue-less “Swap-Bay”.
• Option with Full Electrical Isolation.
USB
• Two USB 1.0 Ports for Serial transfers at
12 or 1.5 Mbit/sec.
• Supports UHCI Design Guide.
Real Time Clock
• 256-byte battery-backed up CMOS SRAM.
• Includes Date Alarm.
• Two 8-byte Lockout Ranges.
Содержание X Class 500/550MHz
Страница 6: ...6 Contents ...
Страница 8: ...8 Figures ...
Страница 15: ...15 1 System Overview ...
Страница 66: ...66 Chapter2 System Board Devices on the ISA Bus ...
Страница 96: ...96 Chapter3 Interface Boards and Mass Storage Drivers Connectors and Sockets ...
Страница 134: ...134 Chapter5 Tests and Error Messages Beep Codes ...
Страница 135: ...135 A Regulatory Information and Warranty ...
Страница 146: ...146 AppendixA Regulatory Information and Warranty HP Hardware Warranty ...