Technical Product Specification

Table Of Contents
Functional Architecture Intel
®
Server Board S5400SF TPS
Revision 2.02
Intel order number: D92944-007
40
In the legacy mode, the BIOS supports the INT 1Ah PCI BIOS interface calls.
3.4.8 Automatic IRQ Assignment
The BIOS automatically assigns IRQs to devices in the system for legacy compatibility. No
method is provided to manually configure the IRQs for devices.
3.4.9 Legacy Option ROM Support
The legacy support code in the BIOS dispatches the legacy option ROMs in the available
memory space in the address range 0C0000h-0DFFFFh and follows all the legacy rules with
respect to the option ROM space. If room is available in the E segment, and both C and D
segments are already used, the BIOS also shadows up to 0E7FFF. The BIOS allows the user to
disable the shadowing of the on-board PCI devices.
The BIOS integrates option ROMs for the ATI* RN50 video controller, LSI* 1064e SAS
controller (on select board models), AHCI ROM, Intel
®
6321ESB I/O Controller Hub Ethernet
ROM (if onboard), Intel
®
82571EB Ethernet ROM (if onboard), and the SATA Software RAID
ROM.
3.4.10 EFI PCI APIs
The BIOS provides standard PCI protocols as described in the Extensible Firmware Interface
Reference Specification, Version 1.1.
3.4.11 Legacy PCI APIs
In the legacy mode, the system BIOS supports the INT 1Ah, AH = B1h functions as defined in
the PCI BIOS Specification, Revision 2.1. The system BIOS supports the real mode interface.
3.5 Video Support
The server board provides an ATI* ES1000 PCI graphics accelerator, along with 32 MB of video
DDR SDRAM and support circuitry for an embedded SVGA video subsystem. The ATI* ES1000
chip contains an SVGA video controller, clock generator, 2D engine, and RAMDAC in a 359-pin
BGA. One DDR SDRAM chip provides 32 MB of video memory.
The SVGA subsystem supports a variety of modes, up to 1024 x 768 resolution in 8/16/32 bpp
modes under 2D. It also supports both CRT and LCD monitors up to a 100 Hz vertical refresh
rate.
Video is accessed using a standard 15-pin VGA connector found on the back edge of the server
board. Video signals are also made available through the 120-pin bridge board connector,
which provides signals for an optional video connector to be present on the platform’s control
panel. Video is routed to both the rear video connector and a control panel video connector.
Video is present at both connectors simultaneously and cannot be disabled at either connector
individually. Hot-plugging the video while the system is still running is supported.
On-board video can be disabled using the BIOS Setup utility or when an add-in video card is
installed. The system BIOS also provides the option for dual video operation when an add-in
video card is configured in the system.