CZGL AT-16
CyberResearch
®
CPU Cards
18
©Copyright 2009
CyberResearch, Inc.
2.5.2.1 IDE Connector
The IDE connector on the Intel® ICH7M Southbridge connects to an IDE hard disk or
other IDE device. PIO IDE transfers up to 16 MB/s and Ultra ATA transfers of 100 MB/s.
The integrated IDE interface is able to support the following IDE HDDs:
Ultra ATA/100
, with data transfer rates up to 100 MB/s
Ultra ATA/66
, with data transfer rates up to 66 MB/s
Ultra ATA/33
, with data transfer rates up to 33 MB/s
Specification
Ultra ATA/100
Ultra ATA/66
Ultra ATA/33
IDE devices
2 2
2
PIO Mode
0 – 4
0 – 4
0 – 4
PIO Max Transfer Rate
16.6 MB/s
16.6 MB/s
16.6 MB/s
DMA/UDMA designation
UDMA 5
UDMA 4
UDMA 2
DMA/UDMA Max Transfer
100 MB/s
66 MB/s
33 MB/s
Controller Interface
5 V
5 V
5 V
Table 2-1: Supported HDD Specifications
2.5.2.2 CompactFlash® Slot
The CompactFlash® slot on the CZGL AT-16 is interfaced through the IDE interface on
the Intel® ICH7M Southbridge. The CompactFlash® slot is on the solder side of the CZGL
AT-16.
2.5.3 Real Time Clock
256 bytes of battery backed RAM is provided by the Motorola MC146818 A real time clock
(RTC) integrated into the ICH7M. The RTC operates on a 3 V battery and 32.768 KHz
crystal. The RTC keeps track of the time and stores system data even when the system is
turned off.
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Страница 28: ...CZGL AT 16 CyberResearch CPU Cards 8 Copyright 2009 CyberResearch Inc Chapter 2 2 Detailed Specifications...
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Страница 188: ...CZGL AT 16 CyberResearch CPU Cards 168 Copyright 2009 CyberResearch Inc Appendix A A BIOS Options...
Страница 192: ...CZGL AT 16 CyberResearch CPU Cards 172 Copyright 2009 CyberResearch Inc Appendix B B Terminology...
Страница 196: ...CZGL AT 16 CyberResearch CPU Cards 176 Copyright 2009 CyberResearch Inc Appendix C C Digital I O Interface...
Страница 202: ...CZGL AT 16 CyberResearch CPU Cards 182 Copyright 2009 CyberResearch Inc Appendix E E Address Mapping...
Страница 204: ...CZGL AT 16 CyberResearch CPU Cards 184 Copyright 2009 CyberResearch Inc Figure E 3 Input Output 2 of 2...
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