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HP Kayak XU 04xx HP Kayak XU PC Workstation Technical Reference Manual Hardwar - Page 19

Architectural View

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2 System Board Architectural View Cartridge L2 cache memory Architectural View The following block diagram gives an architectural view of the HP Kayak XU PC Workstation (for frequencies, see the table on page 16). Intel Pentium II Processor Processor-Local (PL) Bus (GTL+, 64 bit, 66 MHz) Intel Pentium II Processor (optional second processor) Cartridge L2 cache memory 32-bit, 66 MHz 2 X AGP Bus 440 LX PAC Memory Bus 72-bit ECC Main Memory 4 DIMMS AGP Slot FastRAID 10/100TX LAN PCI Bus (32-bit, 33 MHz) AIC-7860 Narrow (8-bit) SCSI AIC-7880 Wide (16-bit) SCSI Hard disks 82093AA I/O APIC ISA Bus (16-bit, 8.33 MHz) 2 X 29F002T Flash EEPROM Little Ben PCI Bus interface 82371AB SMBus PCI/ISA Controller Bridge (PIIX4) Ultra DMA Controller Interrupt Controller IDE Controller 2 X USB Controller ISA bus interface PCI Slots Main PLL SMBUS LM78 LM75 Serial EEPROM ISA Slots NS-317 Super I/O AD-1816 Audio 11

Section	Page
Technical Reference Manual	1
Notice	2
Preface	3
Conventions	3
Bibliography	3
How to use this online guide	4
Contents	5
System Overview	9
External Features	10
Internal Features	11
Specifications and Characteristic Data	11
Hardware Control Panel	11
Physical Characteristics	11
Electrical Specifications	12
Environmental Specifications	13
Documentation	14
Where to Find the Information	15
System Board	17
System Board	18
Architectural View	19
Chip-Set	20
The PAC Chip (440LX)	20
The PIIX4, PCI/ISA Bridge Chip (82371SB)	21
Devices on the Processor-Local Bus	23
Intel Pentium II Microprocessor	23
Cache Memory	25
Optional Second Microprocessor	26
Devices on the Main Memory Bus	27
Main Memory	27
Devices on the PCI Bus	28
Small Computer System Interface (SCSI) Controllers	28
Integrated Drive Electronics (IDE)	29
Universal Serial Bus (USB) Controller	30
Other PCI Accessory Devices	30
Accelerated Graphics Port (AGP) Controller	31
Devices on the SM Bus	32
Serial EEPROM	32
LM75 Chip	33
LM78 Chip	33
Main PLL	33
Devices on the ISA Bus	34
The Super I/O Controller (NS 87317)	34
Audio Controller	35
Flash EEPROM	35
Little Ben	38
Other ISA Accessory Devices	39
Interface Boards and Mass-Storage Drives	41
Matrox Millennium II Video Controller Board	42
Video Memory	43
Available Video Resolutions	43
Further Information	45
HP FastRAID Solution	46
10BT/100TX LAN Controller	49
10BT/100TX LAN Features	50
Remote Power On	50
Mass-Storage Drives	52
Hard Disk Drives (subject to change)	52
Flexible Disk Drives	52
CD-ROM Drives	52
Connectors and Sockets	53
HP BIOS	59
HP/Phoenix BIOS Summary	60
SCSISelect Utility	60
Power Saving and Ergonometry	61
Power-On from Space-Bar	61
Power Button Override	61
Package Intrusion Feature	61
BIOS Addresses	62
System Memory Map	62
HP I/O Port Map (I/O Addresses Used by the System 1 )	63
DMA Channel Controllers	64
Interrupt Controllers	65
PCI Interrupt Request Lines	67
Power-On Self-Test and Error Messages	69
Order in Which the Tests are Performed	70
Error Message Summary	77
Beep Codes	81