CPU: Intel FW80219M600 dual UART: TA550C - Serial port controller flash: Intel TE28F128 (16MiB) USB: Via VT6212L SATA: Silicon Image Sil3512ECTU128 NICs: Realtek RTL8110SB (2x) rtc: Ricoh RS372 (i2c) fan control: Fintek F75375S (i2c) leds: Philips PCA9532 (i2c) datasheets: - TA550C generic TI 16550C (48 tqfp) - VT6212L http://www.via.com.tw/en/products/peripherals/usb/vt6212/ - RTL8110SB ftp://202.65.194.18/cn/nic/rtl8169rtl8169sbrtl8110sb/spec-8110sb(160).pdf - Fintek F75375S http://www.fintek.com.tw/files/productfiles/2005111152950.pdf - PCA9532 http://www.semiconductors.philips.com/pip/pca9532 GPIOs: 7 SCL I2C bus O 6 SDA I2C bus I/O 5 power button I 4 full hardware reset O, external pull-up (drive low to reset) 3 software reset button I 2 reset to pca9532 O, external pull-up (drive low to reset, high or float to deassert reset) 1 factory test mode I 0 copy button I I2C addressing: 0x2e F75375S 0x32 RS372 0x52 SPD EEPROM 0x60 PCA9532 PCA9532, Philips LED controller 15 buzzer (0 to enable) 14 system fail led 13 system busy led 9 system reset => doesn't seem to do anything 8 power off 7 usb fail led 2 usb link led 1 sata hd fail led 0 sata hd fail led PCI interrupt routing: device IDSEL slot int routing RTL8169-1 17 1 XINT0 RTL8169-2 18 2 XINT3 Sil3512 19 3 XINT2 VT6212 20 4 INTA->XINT1 (iff J3), INTB->XINT0, INTC->XINT2 Mini-PCI 21 5 XINT3 UART - - XINT1 (iff J4) J3/J4 control XINT1 interrupt routing J3 VT6212 INTA to XINT1 J4 UART interrupt to XINT1