Дополнительное Руководство для IBM 560z
System Board Devices and Features
Figure 1-2 lists the system board devices and their features. The
IBM Personal System/2 Hardware Interface Technical Reference
describes devices common to PS/2 products by type number.
IBM Personal System/2 Hardware Interface Technical Reference
describes devices common to PS/2 products by type number.
Figure
1-2 (Part 1 of 2). System Board Devices and Features
Device
Type
Features
Microprocessor
–
Intel
Mobile Pentium
II Processor
233/300 MHz
32 KB on-chip cache
Level 2 cache
–
512 KB
System timers
1
Channel 0: system timer
Channel 1: refresh generation
Channel 2: tone generator for speaker
Channel 1: refresh generation
Channel 2: tone generator for speaker
ROM subsystem
–
128 KB by 4 banks (1 KB equals 1024 bytes)
RAM subsystem
–
32 MB. Expandable up to 96 MB.
64 MB. Expandable up to 128 MB.
CMOS RAM
subsystem
subsystem
–
128 bytes CMOS RAM with real-time
clock/calendar
clock/calendar
ThinkPad 560Z System Overview
1-3