Help with slot 1 cpu card

J

jturba

I am trying to rehab an abit bh-6 slot 1 motherboard. The cpu card in
the slot has jumpers to set the FSB.

cpu clk jp1 jp4
66 mhz 2-3 2-3
100 mhz x 2-3
133 mhz y x

I know how to set the jumpers for 2-3, 1-2 etc. What does the x and y
mean? Where do I set the jumpers for x and y?

Thanks for any help
 
D

David Maynard

I am trying to rehab an abit bh-6 slot 1 motherboard. The cpu card in
the slot has jumpers to set the FSB.

cpu clk jp1 jp4
66 mhz 2-3 2-3
100 mhz x 2-3
133 mhz y x

I know how to set the jumpers for 2-3, 1-2 etc. What does the x and y
mean? Where do I set the jumpers for x and y?

Thanks for any help

I don't know why they decided to confuse the issue with a 'y' but the x and
y positions for 100 MHz and 133 MHz are 'no jumper'.

Specifically, those are the BSel lines and they're normally high (by
design). Tying them to ground makes them '0', which is what the 2-3 jumper
position does.

The code is:

jp4 jp1
BSEL1 BSEL0 Frequency
0 0 66MHz
0 1 100 MHz
1 0 Reserved
1 1 133MHz

Note, to let it be '1' you 'do nothing'. I.E. no jumper.

The 'auto' jumper position simply connects the motherboard BSel lines to
the processor's BSel pins so it can make them 1 or 0 according to it's
built-in 'jumpers'.
 

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