Page 8
Bus Speed
Some system boards allow you to alternate the bus speed and the voltage. If possible set the
bus speed to a maximum of 33MHz. This will allow you to run the QUICKCHIP at 133MHz.
To change the system board’s bus speed, consult your owner’s manual.
Highest Successful Operation Setting
To achieve the highest level of performance and successful operation, configure your
system board jumpers (see your owner’s manual) to:
486 DX 33MHz - 5 volt
Pin 1 Orientation
Notice that one of the corners on the QUICKCHIP 133 upgrade has a white stripe and beveled
edge or other distinguishing mark. This corner signifies Pin 1 and must line-up with Pin 1 on
the processor socket (Figure 2.1). Before removing the old 486 processor, please take note of its
Pin 1 location (Figure 2.2). This will aid you in aligning the QUICKCHIP in the correct position.
Failure to align Pin 1 on the QUICKCHIP 133 with Pin 1 on the socket will dam-
age your computer and/or the QUICKCHIP upgrade.
Figure 2.1
QUICKCHIP 133 Pin 1
Location
Pin 1 - Beveled Edge & White Stripe
Figure 2.2
Original 486 CPU
Pin 1 Location
Pin 1 - Beveled Edge and White Dot
Section 2
Introduction
