User`s manual

CZGA LX-50 CyberResearch

CPU Cards



82xx Legacy Devices

 System Management Bus (SMB) Controller

 8 Multi-Function General Purpose Timers (MFGPTs)

 Power Management Controller

 ACPI v2.0 compliant

2.5.1 GeodeLink™ Interface Unit

 64-bit, 66MHz operation

 PCI VSM (Virtual System Module) that makes the interface transparent to

applications software and BIOS

 Programmable routing descriptors, use and activity monitors, and SSMI

(Synchronous System Management Interrupt)

2.5.2 AMD Geode™ CS5536 ATA-6 Controller

The single CZGA LX-50 IDE connector supports two ATA-6 HDDs. An ATA-6 (Ultra

ATA/100) compliant IDE controller on the AMD Geode™ CS5536 has a maximum transfer

rate of 100MB/s. ATA-6 includes advancements in error checking and ATA-6 drives are

compatible with future interface additions.

The onboard ATA-6 controller is able to support the following IDE HDDs:

 Ultra ATA/100, with data transfer rates up to 100MB/s

 Ultra ATA/66, with data transfer rates up to 66MB/s

 Ultra ATA/33, with data transfer rates up to 33MB/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 3 - 4 UDMA 3 – 4 UDMA 2

DMA/UDMA Max Transfer

100MB/s 66MB/s 33MB/s