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Bitfields for Intel 82434LX/NX Host CPU Selection

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Bit Description

7 - 5

host CPU type
LX : hardwired to 100 (Pentium)
NX : "reserved" (101 on RB's system)

4 - 3

reserved

2

enable L1 cache

1 - 0

Host Operating Frequency (set according to external bus speed)
00 = reserved
01 = 50 MHz
(LX: bit 1 reserved, only 60/66 MHz supported)
10 = 60 MHz
11 = 66 MHz

See Also:

#01055,#01057