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Bitfields for Intel 82378/82379 PCI Arbiter Control

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Bit Description

7 - 5

reserved (0)

4 - 3

Master Retry Timer
00 = disabled (retries never masked)
01 = retries unmasked after 16 PCICLKs
10 = retries unmasked after 32 PCICLKs
11 = retries unmasked after 64 PCICLKs

2

Bus Park
1 = park CPUREQ# on PCI bus when 82378 detects PCI bus idle

1

Bus Lock
0 = resource lock
1 = Bus lock

0

Guaranteed Access Time
1 = ISA bus masters are guaranteed 2.5 microsecond CHRDY time-out

See Also:

#01064,#01065