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Intel DZ77GA-70K

Intel DZ77GA-70K
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Intel® Desktop Board
DZ77GA-70K
Technical Product Specification
May 2012
Order Number: G54936-002
The Intel
®
Desktop Board DZ77GA-70K may contain design defects or errors known as errata that may cause the product to deviate from published
specifications. Current characterized errata are documented in the Intel Desktop Board DZ77GA-70K Specification Update.

Table of Contents

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Intel DZ77GA-70K Specifications

General IconGeneral
Form FactorATX
ChipsetIntel Z77
SocketLGA 1155
Memory Slots4
Max Memory32 GB
SATA 6Gb/s Ports4
SATA 3Gb/s Ports4
USB 3.0 Ports4
USB 2.0 Ports8
CrossFire SupportYes
SLI SupportYes
Memory SpeedDDR3 1600/1333/1066
PCI Express x16 Slots2
PCI Express x1 Slots2
LANIntel 82579V Gigabit Ethernet
Audio7.1 Channel High Definition Audio
RAID SupportRAID 0, 1, 5, 10
PCI Slots2

Summary

1 Product Description

1.3 Processor

Details supported Intel Core processor families and maximum wattage (95W).

1.4 System Memory

Describes supported DDR3 SDRAM DIMMs, configurations, and capacity up to 32 GB.

1.5 Intel Z77 Express Chipset

Explains the chipset's role in interconnecting processor, display, USB, SATA, and PCI Express.

1.12 Power Management

Details power management implementation via ACPI, hardware support, and wake-up events.

2 Technical Reference

2.1 Memory Resources

Details addressable system memory (32 GB) and the system memory map.

2.2 Connectors and Headers

Describes back panel I/O and component-side connectors/headers, with cautions.

2.5 Electrical Considerations

Discusses power supply requirements, fan header current, and add-in board considerations.

2.6 Thermal Considerations

Details chassis airflow requirements and ambient temperature limits for component operation.

3 Overview of BIOS Features

3.6 BIOS Updates

Details utilities for updating BIOS and precautions to prevent incompatible installations.

3.8 Boot Options

Covers boot device selection (diskette, HDD, USB, optical, network) and priorities.

3.12 BIOS Performance Features

Lists options for CPU frequency, voltage, and memory clock/voltage adjustments.

4 Error Messages and Beep Codes

4.2 BIOS Beep Codes

Details beep code patterns, frequencies, and types for recoverable POST errors.

4.4 BIOS Error Messages

Lists common BIOS error messages like CMOS battery low and checksum bad.

4.5 Port 80 h Power On Self Test (POST) Codes

Lists diagnostic progress codes generated by the BIOS during POST.

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