Blog

This document shows how to find and use some functions under openBMC to check the hardware information.1. weutil : show switch’s Serial No. / [email protected]:~# weutil …Product Sub-Version: 3Product Serial Number: AXXXXXXXXXProduct Asset Tag: 000000001…Assembled At: JoytechLocal MAC: A8:2B:B5:0C:30:15…2. btools.py : show PSU info. / show Temperature etc.Get help info. : btools.py helpGet PSU info. EX: Get PSU power info. (Only insert PSU 1)[email protected]:~# btools.py --PSU 1 r ppfe1100 7-0059: MFR_ID is [

Wedge100BF has two BIOS ROMs:One on the COMe module, called "main BIOS", and an "external" one on the Wedge mainboard, called "external BIOS". The external BIOS can be accessed via BMC SPI interface.(1) Use the external BIOS flash chip to boot [email protected]:~# source /usr/local/bin/openbmc-utils.sh<br>[email protected]:~# gpio_set BRG_COM_BIOS_DIS0_N 1<br>[email protected]:~# gpio_set BRG_COM_BIOS_DIS1_N 0Make sure the external BIOS connects to COMe instead of [email protected]:~# gpio_set COM6_BUF_EN 0&lt

I. Switch to the external BIOS.Use the external BIOS flash chip to boot [email protected]:~# source /usr/local/bin/[email protected]:~# gpio_set BRG_COM_BIOS_DIS0_N [email protected]:~# gpio_set BRG_COM_BIOS_DIS1_N 0Make sure the external BIOS connects to COMe instead of [email protected]:~# gpio_set COM6_BUF_EN [email protected]:~# gpio_set COM_SPI_SEL 0Reset the COMe [email protected]:~# wedge_power.sh reset;sol.shPower reset microserver ... DoneYou are in SOL session.Use ctrl-x to quit.-----------------------[No