TechNotes D323x-S_D3243-S V1.2 Page 37 of 98 http://www.fujitsu.com/fts/products/computing/pc/accessories/mainboards
mainboards
Interfaces & Connectors
3.20
GPIO (Feature Connector)
Feature Connector: CompuPack R-DRK2-20-S3-SMT
Note: Current max. 1.5 A per power pin!
GPI/O Output High Voltage
Note: max. load per GPI/O pin: 10mA
(overall current for all GPI/O pins must be < 85mA)
Each GPI/O pin has an integrated serial resistor of 150 Ohm
GPIO access is provided via the SM-Bus controller PCA9554A
ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Products/Mainboards/Industrial&ExtendedLifetime/
D323x-S/Documentation/Specifiations/GPIO_Chip_PCA9554a.pdf
Note: SM-Bus address: 0x78h (8-bit)
For Windows OS, the FTS BMC API provides easy access to the GPIO:
ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Products/Mainboards/Industrial&ExtendedLifetime/
D323x-S/IndustrialTools_D323x-S/BMC_Management-Controller-API/
(Connector location shown for D3231-S/D3236-S)