FIC M296 - Manual (Page 110)

Hardware Functional Overview
4.6 Clock Frequency Generator
The notebook utilizes the ICS 952001 chip to supply the system clock needed to run the
computer. The following are the available clock frequencies:
System clock:
Clock generator ICS 952001
suppo
rt:
- 66/100 MHz for Pentium III Mobile CPU
- 30/33 MHz for PCI device bus clock use
- 48 MHz for PIIX4M
- 14.318 MHz for PIIX4M refresh use
• 14.318 MHz XTAL for Clock Generator use
• 32.768 KHz XTAL for RTC real time clock
• 8.0 MHz XTAL for K/B controller use
• 14.318 MHz OSC for sound blaster use
4.7 Cache Memory
The primary (L1) and secondary (L2) level cache are integrated on the CPU. By incorporating
the cache on-die (meaning it is combined with the CPU into one component), Intel eliminates
the need for separate components. The 512KB on-die L2 cache provides three (3X) times
faster processor access, resulting in significant improvements in performance. Likewise, an
integrated cache means a reduction of connections resulting in increased reliability.
4.8 System Memory
The memory subsystem, implemented on the motherboard, includes System and Video
memory. The SiS 645DX System Controller chip provides primary control for the system
memory.
4.8.1 System Memory
The notebook offers two 64-bit DDR SODIMM (Small Outline Dual Inline Memory Module)
sockets for main memory configuration. The memory sockets accept any standard 144-pin
DDR SODIMM modules at 64MB, 128MB, 256MB and 512MB sizes. Memory modules are
3.3V SDRAM type.
4.8.2 Video Memory
The video memory of the notebook is embedded inside the VGA controller chip NVIDIA-
MAP17 (M295) and ATI M9CSP32 (M296) with 32MB video memory that can support
display resolutions of up to 1024 x 768 at 32-bit 16M color (TFT LCD).
4.9 System BIOS
The notebook utilizes the Phoenix BIOS 4.0 Release 6.0 (Basic I/O System) that contains
both the main system BIOS and the VGA BIOS with Shadow BIOS capability. It utilizes
Flash EPROM BIOS that allows instant erasing and programming without replacing the
EPROM chip.
The BIOS is stored in a 32-pin PLCC package FLASH ROM SST 49LF040A with 4Mbit
size and is mounted into the motherboard. While posting the system, the Shadow RAM will
be enabled and the ROM will be disabled.
FIC M295 / M296 Service Manual
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