Server Management Intel® Server Board SDS2

Revision 1.2

Order Number: A85874-002

28

Pin Signal Name Description
13 N_SM2_CLK Serial Bus Clock
14 N_SM2_DATA Serial Bus Data
18 N_ADM_FAN_PWM Pulse-width modulated output for control of fan speed
19 N_RST_BMCRST_L Power-on Reset with minimum of 200ms pulse width
29 3VSB Monitors 3V Standby supply
22 5VSB Monitors 5V Standby supply
7 3V Monitors 3V supply
30 5V Monitors +5V supply
31 -12V Monitors 12V supply
32 +12v Monitors +12V supply
33 VCCORE1 Monitors CPU1 core voltage
34 +2.5V Monitors 2.5V supply
35 VTT Monitors VTT supply
36 N_SC2VREF3+00 Monitors SCSI channel 2 Terminator 3
37 N_SC2VREF2+00 Monitors SCSI channel 2 Terminator 2
38 N_SC2VREF1+00 Monitors SCSI channel 2 Terminator 1
39 N_SC1VREF3+00 Monitors SCSI channel 1 Terminator 3
40 N_SC1VREF2+00 Monitors SCSI channel 1 Terminator 2
41 N_SC1VREF1+00 Monitors SCSI channel 1 Terminator 1
An 8-bit analog readings of the following system temperatures are provided:

Table 15. Temperature Sensors

Temperature Sensor Description Resolution Accuracy
Primary Processor Primary processor socket thermal sensor 8-bit +/- 5°C or better
Secondary Processor Secondary processor socket thermal sensor
8-bit +/- 5°C or better
The table below details some of the inputs on Sahalee as used in the SDS2.

Table 16. Sahalee Input Definition

Pin Signal Name Description
D12 N_SLOT1OCC_00 CPU1 Presence Detect
D14 N_SLOT2OCC_00 CPU2 Presence Detect
B12 N_FAN1_SENSE_P CPU1 Fan Speed
A13 N_FAN2_SENSE_P CPU2 Fan Speed
B13 N_FAN3_SENSE_P Front System Fan 1 Speed
B14 N_FAN4_SENSE_P Front System Fan 2 Speed
C13 N_FAN5_SENSE_P Rear System Fan 1 Speed