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Compaq Deskpro 1000 Series of Personal Computers 6-5
6.1.4 CPU to SRAM Data Transacting Mode Selection (SRAM)
The SRAM jumper allows you to select the CPU to SRAM data read/write mode.
Table 6-4
SRAM Pin Pairs
Mode Pin Pair
Intel Burst (Default) for Intel Pentium CPUs, AMD-
K%, Cyrix, IBM*
1-2
Linear Burst 2-3
*Default setting.
6.1.5 Jumper Settings
The following table identifies the jumper settings for each processor frequency for the Pentium
with MMX Technology system boards:
CAUTION:
Do not configure the system board to operate faster than the speed at which the processor is
rated. Doing this could result in unreliable operation or processor damage.
Table 6-5
Pentium with MMX Technology
System Board Jumper Settings
CPU External CPU Clock Rate
Speed
(MHz)
(CPU/CLK)
(MHz) CLK1 CLK2 CLK3 FREQ1 FREQ2 FREQ3
Pentium with MMX Technology
233 66 1-2 1-2 1-2 1-2 1-2 1-2
200 66 1-2 1-2 1-2 1-2 2-3 1-2
166* 66 1-2 1-2 1-2 2-3 2-3 1-2
*Default setting
✎
Refer to Table 6-1 for a description of the CLK and FREQ jumpers.
6.1.6 Clearing Configuration
The computer's configuration (CMOS) may occasionally be corrupted. When it does, it is
necessary to clear the CMOS memory.
To clear and reset the configuration, run the CMOS Setup Utility described in Chapter 7,
“Utilities.”
6.1.7 Changing the Real-Time Clock (RTC) Battery
Refer to Chapter 5, “Removal and Replacement Procedures,” for complete instructions on
installing a replacement RTC battery.