Product guide

QSSC-S4R Server System Product Guide Chapter 1: System Description
Version 1.0
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Table 15. Mainboard components
Item Component Type # Description
A CPU/socket 1 – 4
130W Nehalem-EX/Next Gen X processors using Socket-LS
(LGA 1567).
B IOH/heatsink 1 – 2 Boxboro-EX IOH
C
PCIe Expansion
Slots
1 – 2 PCIe Gen2x8, ¾ length, hot swap capable, x8 connector
3 – 4 PCIe Gen2x4, ½ length, non hot swap, x8 connector
5 PCIe Gen2x16, ¾ length, non hot swap, x16 connector
6 – 7 PCIe Gen2x8, ¾ length, hot swap capable, x8 connector
8 PCIe Gen2x4, ¾ length, non hot swap, x8 connector
9 – 10 PCIe Gen1x4, ½ length, non hot swap, x8 connector
*Note: A second processor must be installed in CPU socket 3 to support
PCIe slots 5-9
*Note: Legacy I/O devices i.e. video cards are only supported on slot #1,
2, 3, 4 or 10
D
Hot swap PCIe LED indicators and buttons
Attention button
LED Color/Behavior State
Attention LED Amber – Blinking Toggled by pressing the “Attention” button –
ready for hot-swap operation.
Power LED Green – Solid Power on.
Off Power off.
E System ID Button
Pressing this button turns the System ID LEDs on Solid. Pressing a button
again turns them off.
F System ID LED
Provides a visual indicator that the system is being serviced.
Color/LED Behavior Description
Off System ID inactive.
Blue – On System ID active via button
Blue - Blinking System ID active via remote command
G
System
Status/Fault
LED (green/amber)
Indicates system status
Color/LED
Behavior
State Description
Off Not
ready
AC power off, POST error
Green –
On
Ready System booted and ready
Green –
Blinking
Non-
critical
Alarm

Non-critical temperature threshold asserted.
 Non-critical voltage threshold asserted.
 Non-critical fan threshold asserted.
 Fan redundancy lost, sufficient system
cooling maintained. (This does not apply to
non-redundant systems.)
 Power supply predictive failure.
 Power supply redundancy lost. (This does
not apply to non-redundant systems.)
Amber –
Blinking
Non-
Fatal
Alarm

CATERR asserted.
 Critical temperature threshold asserted.
 Critical voltage threshold asserted.
 Critical fan threshold asserted.
 VRD hot asserted.
 SMI Timeout asserted.