Main Memory; Intel ® 820 Chipset; Intel ® 82820 Memory Controller Hub (Mch); Intel ® 82801Aa I/O Controller Hub (Ich) - Lenovo Aptiva Product Manual

Main Memory

The motherboard has two 2.5 V memory module sockets that support RIMMs containing Direct
Rambus DRAM (RDRAM) devices. When shipped, your system has one 128 MB RIMM installed
in socket 0, and a CRIMM continuity module installed in socket 1.
The desktop board supports the memory features:


168-pin modules with gold-plated contacts


Memory bus frequency: 300 MHz/356 MHz/400 MHz


Module density: 64 MB, 96 MB, 128 MB, and 256 MB


Maximum memory: 512 MB (128 Mbit technology)


Single- and double-sided modules


Serial Presence Detect (SPD) memory


ECC and non-ECC memory


Suspend-to-RAM
✏
NOTE
For information about vendors that support these memory requirements, refer to the VC820 link
on this Intel web site:
http://support.intel.com/support/motherboards/desktop/
For information about installing memory, see Chapter 6.
Intel ® 820 Chipset
The Intel 820 chipset consists of the following devices:


Intel 82820 Memory Controller Hub (MCH)


Intel 82801AA I/O Controller Hub (ICH)


Intel 82802AB Firmware Hub (FWH)
®
Intel 82820 Memory Controller Hub (MCH)
The MCH has these features:


Integrated single Direct Rambus technology memory channel


Auto-detection of RDRAM memory


Support for a single AGP device


133/100 MHz system bus
®
Intel 82801AA I/O Controller Hub (ICH)
The ICH has these features:


Support for the PCI interface


Support for the Low Pin Count (LPC) interface


Integrated IDE controller
Motherboard Features
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