Chapter 2
31
System Board
Architectural View
Architectural View
Figure 2-2. Architectural View
Intel Pentium III
Xeon Processor with L2
cache memory
440GX
Host Bridge
82443GX
AGP
Graph-
ics
Main Memory
4 DIMMS
(Serial Pres-
ence Detect)
Host (also called
FSB) Bus (64 bit,
100 MHz, 800
MB/sec data
transfer rate)
PCI/ISA
Bridge
(PIIX4E)
PCI Bus
(32 bit, 33
MHz)
133 MB/sec.
ISA Bus
(16 bit, 8.33 MHz)
AD-1816
Audio
PCI Bus
Interface
DMA
Control-
ISA Bus
Interface
SMBus
Control-
MaxiLife
Monitor-
ing Chip
Super I/O
NS 97317
Two
29F002T
PCI Slots
ISA Slot
Serial
EEPR
CK4
D
Memory Bus
(72-bit ECC
100 MHz, 800
MB/ sec data
transfer rate)
SMBus
Clock
Clock
Address (32)
Control
Data (64)
IDE
USB 1
USB 2
Combination Slot
AGP Bus
(32-bit, 66 MHz
(2X), 528 MB/sec
data transfer rate)
Intel Pentium III
Xeon Processor
(optional second proces-
sor) with L2 cache mem-
SMBus
SMBus
Video
BIOS
Graphics
Local Mem-
IDE
Control-
2 x USB
Control-
LCD
RAID-
1
The graphics board depends on the model of Personal Workstation.
Adaptec
AIC7880
16-bit SCSI
Controller
Internal 16-bit
SCSI Connec-
Combination Slot
On each processor there
is a SMBus EEPROM
and SMBus Thermal
SEC cartridge
SEC car-
LAN + SCSI
Internal
DMA
Connector
Intel 82093 IO APIC
external interrupt con-
Interrupt
Control-
Содержание X Class 500/550MHz
Страница 6: ...6 Contents ...
Страница 8: ...8 Figures ...
Страница 15: ...15 1 System Overview ...
Страница 66: ...66 Chapter2 System Board Devices on the ISA Bus ...
Страница 96: ...96 Chapter3 Interface Boards and Mass Storage Drivers Connectors and Sockets ...
Страница 134: ...134 Chapter5 Tests and Error Messages Beep Codes ...
Страница 135: ...135 A Regulatory Information and Warranty ...
Страница 146: ...146 AppendixA Regulatory Information and Warranty HP Hardware Warranty ...