Specifications

• Value — The value to write to this bit or set of bits.
[Power]
Power Led | lpc | 0x020a | 0x0
[off]
1 | 6:5 | 2
[/off]
[green]
1 | 6:5 | 0
[/green]
[yellow]
1 | 6:5 | 1
[/yellow]
[/Power]
lpctool
To access devices on the LPC bus, use the lpctool.
The lpctool allow access on the LPC bus by using I/O transactions at the processor level. This access does
not include LPC interfaces in other devices. Other DiagOS tools use lpctool to read LPC-connected
registers.
CLI Options
Dell Diag - LPC Tool
version 1.0
admin, 2014-10-01, bamboo-build-num
Syntax: %s <option>
--h := show this help
--read --addr=address --count=bytes [--size=b,w or l]
:= read the specified address
--write --addr=address --val=data0,data1, ... ,dataN [--size=b,w or l]
:= write at the specified address
• read — Reads the address on the LPC bus.
• write — Writes to the device on the LPC bus.
Output
read Output
root@dell-diag-os:/opt/ngos/bin# ./lpctool --read --addr=102
Byte Port 0x102 : 0xde
Dell DiagOS Tools 56