Chapter: BIOS Settings Chipset
page 102 Beckhoff New Automation Technology CB3064-xxxx
6.4.2.4.5 Serial IO Timing Parameters
Aptio Setup Utility - Copyright (C) 2017 American Megatrends, Inc.
Chipset
┌─────────────────────────────────────────────────────────────────┬────────────────────────────────┐
│ SerialIO timing parameters [Enabled] │SerialIO timing parameters │
│ StandardSpeed SCL High for I2C1 528 │(test only) │
│ StandardSpeed SCL Low for I2C1 640 │ │
│ StandardSpeed SDA Hold for I2C1 30 │ │
│ FastSpeed SCL High for I2C1 128 │ │
│ FastSpeed SCL Low for I2C1 160 │ │
│ FastSpeed SDA Hold for I2C1 30 │ │
│ FastSpeedPlus SCL High for I2C1 48 │ │
│ FastSpeedPlus SCL Low for I2C1 64 │ │
│ FastSpeedPlus SDA Hold for I2C1 30 │ │
│ D0->D3 idle timeout for I2C1 200 │ │
│ (screen off) │ │
│ D0->D3 idle timeout for I2C1 2000 │────────────────────────────────│
│ (screen on) │→←: Select Screen │
│ D0->D3 idle timeout for SPI1 200 │↑↓: Select Item │
│ (screen off) │Enter: Select │
│ D0->D3 idle timeout for SPI1 2000 │+/-: Change Opt. │
│ (screen on) │F1: General Help │
│ D0->D3 idle timeout for UART1 200 │F2: Previous Values │
│ (screen off) │F3: Optimized Defaults │
│ D0->D3 idle timeout for UART1 200 │F4: Save & Exit │
│ (screen on) │ESC: Exit │
│ │ │
│ │ │
│ │ │
│ │ │
└─────────────────────────────────────────────────────────────────┴────────────────────────────────┘
Version 2.18.1263. Copyright (C) 2017 American Megatrends, Inc.
SerialIO timing parameters
Options: Disabled / Enabled
StandardSpeed SCL High for I2C1
Options: 0..65535
StandardSpeed SCL Low for I2C1
Options: 0..65535
StandardSpeed SDA Hold for I2C1
Options: 0..65535
FastSpeed SCL High for I2C1
Options: 0..65535
FastSpeed SCL Low for I2C1
Options: 0..65535
FastSpeed SDA Hold for I2C1
Options: 0..65535
FastSpeedPlus SCL High for I2C1
Options: 0..65535
FastSpeedPlus SCL Low for I2C1
Options: 0..65535
FastSpeedPlus SDA Hold for I2C1
Options: 0..65535
D0->D3 idle timeout for I2C1 (screen off)
Options: 0..10000
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