Index: book.xml =================================================================== --- book.xml +++ book.xml @@ -6314,11 +6314,9 @@ or run this command after the system is up and running: - &prompt.user; dmesg | grep -E "^sio[0-9]" -sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 -sio0: type 16550A -sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0 -sio1: type 16550A + &prompt.user; dmesg | grep -E "^uart[0-9]" +uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 +uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0 This example shows two serial ports. The first is on IRQ4, port address