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HP Kayak XU 04xx HP Kayak XU PC Workstation Technical Reference Manual Hardwar - Page 72

Initialize manager for PCI Option ROMs Rel. 5.1 and earlier

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5 Power-On Self-Test and Error Messages Order in Which the Tests are Performed Checkpoint Code POST Routine Description 2Ah Clear 512 KB base RAM 32h Test CPU bus-clock frequency 33h Initialize POST Dispatch Manager 34h Test CMOS RAM 35h Initialize alternate chipset registers 36h Warm start shutdown 37h Reinitialize the chipset (MB only) 38h Shadow system BIOS ROM 39h Reinitialize the cache (MB only) 3Ah Autosize cache 3Ch Configure advanced chipset registers 3Dh Load alternate registers with CMOS values 40h Set initial CPU speed 42h Initialize interrupt vectors 44h Initialize BIOS interrupts 45h POST device initialization 47h Initialize manager for PCI Option ROMs (Rel. 5.1 and earlier) 48h Check video configuration against CMOS 49h Initialize PCI bus and devices 4Ah Initialize all video adapters in system 4Bh Display QuietBoot screen 4Ch Shadow video BIOS ROM 4Eh Display BIOS copyright notice 50h Display CPU type 51h Initialize EISA board 64

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