Specifications

TN 2000: PCI Expansion ROMs and You , at

http://developer.apple.com/technotes/tn/tn2000.html

TN 2001: Running Files from a Hard Drive in Open Firmware , at

http://developer.apple.com/technotes/tn/tn2001.html

TN 2004: Debugging Open Firmware Using Telnet , at

http://developer.apple.com/technotes/tn/tn2004.html

RAM Expansion Modules

The Power Mac G5 computer uses DDR400 PC3200-compliant, 184-pin DDR SDRAM DIMMs.

The electrical and mechanical characteristics of the DIMM are given in JEDEC Standard 21-C. The specification

can be found by using the search string JESD21-C on the Electronics Industry Association’s website at

http://www.jedec.org/DOWNLOAD/default.cfm

ATA Devices

ATA (AT Attachment), also referred to as integrated drive electronics (IDE), is a standard interface used with

storage devices such as hard disk drives. For more information on ATA, refer to the following Apple website

http://developer.apple.com/documentation/Hardware/DeviceManagers/ata/ata.html

ATA Manager 4.0 supports driver software for internal IDE drives and includes DMA support. For the latest

information about ATA Manager 4.0, see Technical Note TN1098, ATA Device Software Guide Additions and

Corrections, available on the world wide web at

http://developer.apple.com/technotes/tn/tn1098.html

The web page for Technical Note TN1098 includes a link to a downloadable copy of ATA Device Software Guide .

Information about the ATA standards is available at the Technical Committee T13 AT Attachment website, at

http://www.t13.org/

Supplemental Reference Documents

RAM Expansion Modules