Intel SDS2 User Manual download pdf (Page 16)

Architecture Intel® Server Board SDS2

Revision 1.2

Order Number: A85874-002

2. Architecture

The SDS2 Server Board is a monolithic printed circuit board that can accept two Intel

Pentium

III processors using the Socket 370 FCPGA2 package. The SDS2 Server Board complies with

the Entry SSI version 1.0 and ATX version 2.03 (12 inch x 13 inch) form-factor. It is designed

around the Server Works* ServerSet* III HE-SL chipset.

The chipset contains three components:

• The HE-SL CNB20 North Bridge provides an integrated memory controller

• The CIOB20 I/O Bridge provides the interface for two peer 64-bit, 66 MHz PCI busses

• The CSB5 South Bridge provides the LPC bus for legacy support.

The Server Board also contains other embedded devices such as:

• 2D/3D graphics accelerator

• Two 10/100 Network Interface Controller

• Dual channel Ultra160 SCSI

• Standard I/O

• Server management

The SDS2 Server Board provides six DIMM sockets for a maximum memory capacity of 6 GB.

Only registered PC-133 compliant Registered SDRAM memory modules are supported. The

current tested memory listing is posted on the Intel technical support web site:

http://support.intel.com/support/motherboards/server/SDS2/

The SDS2 Server Board provides the following features:

• Dual Intel

Pentium

III FCPGA2 processors (Socket370)

• Server Works ServerSet III HE-SL chipset

- HE-SL North Bridge

- CIOB20 I/O Bridge

- CSB5 South Bridge

• Support for six PC-133 compliant registered ECC SDRAM memory modules

• 32-bit, 33-MHz 5 V Full-length PCI segment A (P32-A) with three embedded devices

- 2D/3D Graphics Controller: ATI* RAGE* XL Video Controller with 4MB of SDRAM

- Two Network Interface Controller: Intel



82550 Fast Ethernet Controller

- Two 32-bit Slots: PCI Slots 3 and 4

• 64-bit, 66-MHz 3.3 V full-length PCI segment B (P64-B)

- Two 64-bit Slots: PCI slots 1 and 2

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Intel SDS2 User Manual Page 16