Peripheral and Hard Drive Support Intel
®
Entry Server Chassis SC5299-E TPS
Revision 3.1
Intel order number D37594-005
114
GEM424 PIN
NAME
I/O
Type
Power
Well
Programming Description System Function Reset
State
Initial
Value
Connection
GPIO10 O 3.3V SATA HDD4 Status LED HD4_FLT_LED_L Pull up 4.7K to 5V
GPIO11 O 3.3V SATA HDD5 Status LED HD5_FLT_LED_L Pull up 4.7K to 5V
GPIO12 I 3.3V SATA HDD0 present
detection
HD0_INSTALL_L
GPIO13 I 3.3V SATA HDD1 present
detection
HD1_INSTALL_L
GPIO14 I 3.3V SATA HDD2 present
detection
HD2_INSTALL_L
GPIO15 I 3.3V SATA HDD3 present
detection
HD3_INSTALL_L
GPIO16 I 3.3V SATA HDD4 present
detection
HD4_INSTALL_L
GPIO17 I 3.3V SATA HDD5 present
detection
HD5_INSTALL_L
GPIO18 O 3.3V GPIO18 Pull up 4.7K to 5V
GPIO19 I 3.3V FORCE UPDATE FROCE_UPDATE_L Pull up 4.7K to 5V
GPIO20 I 3.3V I
2
C Address control I2C_ADDR_CNRL Pull up 4.7K to 5V
GPIO21 O 3.3V GPIO21 Pull up 4.7K to 5V
GPIO22 O 3.3V GPIO22 Pull up 4.7K to 5V
GPIO23 O 3.3V GPIO23 Pull up 4.7K to 5V
4.3.2.5 External Memory Device
The 6HDD SATA HSBP contains non-volatile 32K and 64K Serial EEPROM devices for Boot
and Run-Time/Configuration code storage, respectively. These devices reside on the private I
2
C
bus of the GEM424 controller.
The SEEPROMs operate off the 5.0V rail and are housed in 8-pin small-outline integrated circuit
(SOIC) packages.
4.3.2.6 LEDs
The 6HDD SATA HSBP contains a green ACTIVITY LED and a yellow FAULT LED for each of
the six drive connectors. The ACTIVITY LED is driven by the GEM424 or, for drives that support
the feature, by the SATA hard drive itself whenever the drive is accessed. The FAULT LED is
driven by the GEM424 controller whenever an error condition, as defined by the firmware, is
detected.
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