MB-8500TAC/SR
VERSION 4,5 AND AFTERWARDS

CPU INSTALLATION / JUMPER SETTINGS

JP 20,23,24 CPU Type Select For PCB V.4

CPU TYPE : Intel P54C/CQS/CT, Cyrix, AMD : jp 23,1-2,4-5 Closed , jp 24 2-3,4-5,7-8,9,10 Closed , jp 20 open (3.4V).

CPU TYPE : Intel P55C/CT : Jp 23, 2-3,5-6 Closed, Jp 24 1-2,3-4,6-7,8-9 Closed, Jp 20 Closed (3.4V/2.5V)

JP 20,23,24 CPU Type Select For PCB V5

CPU Type : Intel P54C/CQS/CT,Cyrix,AMDk5 : Jp 24 open, Jp20 1-2,2-3 Closed, Jp23 1-2 Closed (3.4V)

CPU Type : Intel P55C/CT : Jp 24 Closed, Jp 20 open, JP23 2-3 Closed (3.4V/2.5V)

JP 27 CPU Voltage Select.

Closed : 3.4V

open : 3.5V

iNTEL CPU

75 Mhz : 50Mhz x 1.5 : Jp 6 open, Jp 7 open, Jp 15 open, Jp16 open, Jp21 (1-2)

90 Mhz : 60Mhz x 1.5 : Jp 6 closed, Jp 7 closed, Jp 15 open, Jp 16 open, Jp21 (2-3)

100 Mhz : 66Mhz x 1.5 : Jp 6 closed, Jp 7 open, Jp 15 open, Jp 16 open, Jp21 (2-3)

120 Mhz : 60Mhz x 2 : Jp 6 closed, Jp 7 closed, Jp 15 open, Jp 16 closed, Jp21 (2-3)

133 Mhz : 66Mhz x 2 : Jp 6 closed, Jp 7 open, Jp 15 open, Jp16 closed, Jp21 (2-3)

150 Mhz : 60Mhz x 2.5 : Jp 6 closed, Jp 7 closed, Jp 15 closed, Jp 16 closed, Jp21 (2-3)

166 Mhz : 66Mhz x 2.5 : Jp 6 closed, Jp 7 open, Jp 15 closed, Jp 16 closed, Jp21 (2-3)

180 Mhz : 60Mhz x 3 : Jp 6 closed, Jp 7 Closed, Jp 15 closed, Jp 16 open, Jp21 (2-3)

200 Mhz : 66Mhz x 3 : Jp 6 closed, Jp 7 open, Jp 15 closed, Jp 16 open, Jp21 ( 2-3)

CYRIX 6x86 CPU

P-120 (100Mhz) : 50Mhz x 2 : Jp 6 open, Jp 7 open , Jp 15 open, Jp 16 closed, Jp21 (1-2)

P-133 (110Mhz) : 55Mhz x 2 : Jp 6 open, Jp 7 closed, Jp 15 open , Jp 16 closed, Jp21 (1-2)

P-150 (120Mhz) : 60Mhz x 2 : Jp 6 closed, Jp 7 closed, Jp 15 open, Jp 16 closed, Jp21 (2-3)

P-166 (133Mhz) : 66Mhz x 2 : Jp 6 closed, Jp 7 open, Jp 15 open, Jp 16 closed, Jp21 (2-3)

AMD 5k86 CPU

P-75 (66Mhz) : 66Mhz x 1 : Jp 6 closed, Jp 7 open, Jp 15 open, Jp 16 closed, Jp21 (2-3)

P-75 (75Mhz) : 50Mhz x 1.5 : Jp 6 open, Jp 7 open, Jp 15 open, Jp 16 open, Jp21 (1-2)

P-90 (83Mhz) : 55Mhz x 1.5 : Jp 6 open, Jp 7 closed, Jp 15 open, Jp 16 open, Jp21 ( 2-3)

P-90 (90Mhz) : 60Mhz x 1.5 : Jp 6 closed, Jp 7 closed, Jp 16 open, Jp 17 open , Jp21 (2-3)

P-100 (100Mhz) : 66Mhz x 1.5 : Jp 6 closed, Jp 7 open , Jp 15 open , Jp 16 open , Jp21 (2-3)