For which main board do you require a manual ?
BH6 soft switch
GA-5AX (rev 5.x) Ali Aladdin V AGPset super 7
J-TX98B
K7S5A (all versions), P4S, P6B and P6V series available to download for free from ECS website
K7S5A version 1.0
K7S5A socket A version 3.1a
Matsonic MS8308D/E socket A SIS 730S 266mhz v3.0a
M571, M583, M599, M726, M747, M810 are all PCCHIPS mainboards. Some of the late-model info available from PCCHIPS
M810 series socket A v3.0
M810 series socket A v5.0
M810 series socket A v7.1
P4S5A v1.0
P6BAP-A+ version 1.1
P6BAT-A+ version 2.0
P6VAP-A+ version 1.1
SER 486vls
Slot 1 M747 v1.5
Slot 1/socket 370 M726mrt v1.2
Socket A M810D series V5.2A
Socket 7 M571 version 3.2
Socket 7 M571lmr version 2.1a
Super socket 7 M583LMR version 1.3
Super socket 7 M599lmr v1.4a
Super socket 7 M599lmr v1.4b