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3.1 Processor and CPU Voltage
The AI5TT is designed to take a Pentium Processor with a bus speed of
60 and 66MHz. Since the internal clock of the CPU can be multiples of
1.5, 2, 2.5, 3 and 3.5 of the bus clock, the CPU frequency can be 90,
100, 120, 133, 150, 166, 200 and 233MHz.
The onboard CPU Voltage provides support for CPUs Vcore which
require voltages from 2.0V to 3.5V for a total of 16 different voltages.
3.2 L2 Cache Memory
The AI5TT supports P.B. (Pipelined Burst) Synchronous Cache. The
P.B. Synchronous Cache boosts the system's performance, 10% higher
than regular Asynchronous Cache.
3.3 Main Memory
The AI5TT motherboard supports four 72-pin SIMM and two 168-pin
DIMM (Dual In-line Memory Module) sockets for a maximum total
memory of 256MB. The DRAMs for the SIMM sockets can be 4MB,
8MB, 16MB, 32MB, and 64MB in EDO and FPM types. DIMM
modules can be 8MB, 16MB, 32MB and 64MB.
The following should be noted when populating the SIMM/DIMM
sockets:
1. SIMM1/SIMM2, SIMM3/SIMM4, DIMM1 and DIMM2 bank can
be populated first.
2. Each bank** should consist of the same size SIMMs.
3. Each bank should consist of the same type SIMMs. For example,
SIMM1 and SIMM2 are both be EDO or Page Mode.
** Each bank consists of two SIMM slots or one DIMM slot. For
example, SIMM 1 and SIMM 2 are considered as one bank and
DIMM 1 as another one.
AI5TT Pentium Baby AT Motherboard User's Manual
Chapter 3 Hardware Description
7
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