ArduinoISP Arduino uno & blank atmega8 bootloader burn trouble

Using Arduino Microcontrollers
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[quote author=Nick Gammon link=topic=134097.msg1009527#msg1009527 date=1353879520]
(from tutorial) Type 'L' to use Lilypad (8 MHz) loader, or 'U' for Uno (16 MHz) loader
[/quote]is that for the chip being bootloaded(blank chip)?