MB-8500TAC(/SR)
VERSION 1 TILL VERSION 3

Jumper Settings :

JP 4 : CMOS Function Select.

open : To maintain set up and extended setup data in CMOS for normal function. (Default)

close : To clear CMOS setup memory, : POWER OFF-->JP4 CLOSED-->POWER ON-->AFTER MEM COUNT POWER OFF--> JP4 OPEN-->POWER ON-->RESET YOUR PASSWORD.

JP 5 : Flash ROM Type Voltage Select

(1-2) Closed : +5 Volt Flash Memory Used

(2-3) Closed : +12 Volt Flash Memory Used

open : EEPROM Used.

JP 8 Secondary IDE IRQ Select

(1-2) Closed : IRQ 15

(2-3) Closed : IRQ Thru PCI

JP 9 : Primary IDE IRQ Select

Close : IRQ 14

JP 22 Engineer Test Pin (2-3) closed

JP 35,36 COM 2/4 operation select.

JP 35,36 (1-2) Closed : USE Serial Port

JP 35,36 (2-3) Closed : USE IR

JP 20 CPU Type Select

JP 20 (1-2),(3-4) Closed : P54C/CS/CQS/CT 3.3V

JP 20 All open : P55C 3.3V/2.5V

CPU SPEED SELECT

75 Mhz : Jp6,7,16,15 : open, Jp 21 (1-2) Closed.

90 Mhz : Jp 6,16,15 : open, Jp 7 : Closed, Jp21(2-3) Closed

100 Mhz : Jp 6,7 : Closed, Jp 16,15 : Open, Jp21(2-3) Closed

120 Mhz : Jp 6,15 : open, Jp7,16 : Closed, Jp21(2-3) Closed

133 Mhz : Jp 6,7,16 Closed, Jp 15 Open, Jp21(2-3) Closed

150 Mhz : jp 6 : open, Jp7,16,15 Closed, Jp21(2-3) Closed

180 Mhz : Jp 6,16 Open, Jp 7,15 Closed, Jp21(2-3) Closed.

Jp 27 CPU Voltage Select

(1-2) Closed for 3.4 V

(2-3) Closed for 3.5 V