M o t h e r b o a r d
12/6
Jumper and switch settings
All of the following settings should not normally be changed.
BIOS recovery (Identified at 16 on motherboard diagram)
Pins
Pins
Action
1-2
Recover
2-3
Normal
Clear BIOS settings (Identified at 18 on motherboard
diagram)
Pins
Pins
Action
1-2
Normal
3-4
> 1 sec. discharge
Floppy drive mode (Identified at 22 on motherboard
diagram)
Pins
Pins
Pins
1-3
2-4
3-mode operation (Japan only)
3-4
Normal 2-mode operation
SW1 - Bus and clock multiplier settings
External bus clock
Processor bus multiplier
Frequency
SW1-5
SW1-6
SW1-1
SW1-2
SW1-3
SW1-4
Factor
66Mhz
off
on
on
on
on
on
x2
60Mhz
on
off
on
off
on
on
x2.5
50Mhz
on
on
on
on
off
on
x3
on
off
off
on
x3.5
on
on
on
off
x4
All other switch combinations are reserved.
Warning
Warning
Do not alter the processor or clock settings under normal operation unless
upgrading all the fitted processors. It could result in permanent damage to either
the motherboard or the processors.
Summary of Contents for APRICOT FT4200
Page 1: ...FT4200 Owner s Handbook NATIONAL ACCREDITATION OFCERTIFICATION BODIES ...
Page 2: ...APRICOT FT4200 OWNER S HANDBOOK ...
Page 10: ...APRICOT FT4200 Section One Startup and operating Upgrading and expansion ...
Page 36: ...APRICOT FT4200 Section Two Detailed service Information for authorised engineers ...