Gigabyte GA-6UASL1 Manual - Page 22

Sgpio1 Sgpio Header, Hd_led1

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12) SGPIO1 (SGPIO HeadFe_PrA)NEL SGPIO is stands for Serial General Purpose Input/Output which is a 4-signal (or 4-wire) bus used between a Host Bus Adapter (HBA) and a backplane. Out of the 4 signals, 3 are drivIRe/CnIRby the HBA and 1 is driven by the backplane. Typically, the HBA is a storage controller located inside a server, desktop, rack or workstation computer that interfaces with Hard disk drives (HDDs) to store and retrieve data. F_PANEL 1 Pin No. DefIiRnition 1 Clock 2 Load 3 Data 0 4 4 Data 1 PWR_LED F_USB 13) HD_LED1 CLR_CMOS BIOS_WP CLR_CMOS BIOS_WP CI CLR_PWD DPVRM SUR_CEN Pin No. Definition 1 1 LED Active 2 NC 2 MODEM F1_1394 - 22 - SPDIF_IO Hardware Installation

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Hardware Installation
12) SGPIO1 (SGPIO Header)
SGPIO is stands for Serial General Purpose Input/Output which is a 4-signal (or 4-wire) bus used be-
tween a Host Bus Adapter (HBA) and a backplane. Out of the 4 signals, 3 are driven by the HBA and 1 is
driven by the backplane. Typically, the HBA is a storage controller located inside a server, desktop, rack
or workstation computer that interfaces with Hard disk drives (HDDs) to store and retrieve data.
13) HD_LED1
1
1
4
2
Pin No.
Definition
1
Clock
2
Load
3
Data 0
4
Data 1
Pin No.
Definition
1
LED Active
2
NC