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Chapter 4: BIOS
4-13
GPP Core Settings
These submenus allow you to specify GPP core settings. Each submenu
allows you to defi ne the same settings listed below.
Core Confi guration
This setting allows you to confi gure core confi guration. Options include
Auto, 1x16 and 2x8.
Powerdown Unused Lanes
This setting allows you to Enable or Disable the powerdown of unused
lanes.
TX Drive Strength
Use this setting to confi gure TX drive strength. Options include Auto,
26mA, 20mA, 22mA and 24mA.
Turnoff PLL During L1/L23
This setting allows you to Enable or Disable turning off PLL during
L1/L23.
TXCLK Clock Gating in L1
Use this setting to Enable or Disable the TXCLK clock gating in L1.
LCLK Clock Gating in L1
Use this setting to Enable or Disable the LCLK clock gating in L1.
SB Core Setting
Turn Off PLL During L1/L23
Use this setting to Enable or Disable turning off the PLL during L1/
L23.
TX Drive Strength
Use this setting to confi gure TX drive strength. Options include Auto,
26mA, 20mA, 22mA and 24mA.
TXCLK Clock Gating in L1
Use this setting to Enable or Disable the TXCLK clock gating in L1.