HP 1930, 1925, 1915 System I/O Address, System Memory Catalog, Display Information, TFT Display

Maintenance & Service Guide

Presario 1900 Series

Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920,

1922, 1925, 1926, 1927, 1928, 1929, and 1930

Before You Begin	Specifications	Parts Catalog
Removal Sequence	Troubleshooting	Battery Operations
Product Description	Pin Assignments	Index

Specifications

System I/O Address

I/O Address		System Function (Shipping Configuration)
0000 - 000F		Direct Memory Access Controller
0020	- 0021	Programmable Interrupt Controller
0040	- 0043	System Timer
0060	- 0060	Standard 101/102-Key or Microsoft Natural Keyboard
0061	- 0061	System Speaker
0064	- 0064	Standard 101/102-Key or Microsoft Natural Keyboard
0070	- 0071	System CMOS/Real Time Clock
0081 - 008F		Direct Memory Access Controller
00A0 - 00A1		Programmable Interrupt Controller
00C0 - 00DF		Direct Memory Access Controller
00E0	- 00E1	Motherboard Resources
00F0 - 00FF		Numeric Data Processor
0170	- 0177	Intel 82371AB/EB PCI Bus Master IDE Controller
01F0 - 01F7		Intel 82371AB/EB PCI Bus Master IDE Controller
0201	- 0201	Gameport Joystick
0274	- 0277	IO read data port for ISA Plug and Play Enumerator
0376	- 0376	Intel 82371AB/EB PCI Bus Master IDE Controller
0378 - 037F		Printer Port (LPT1)
03B0 - 03BB		NeoMagic NMG5 Graphics Controller
03C0 - 03DF		NeoMagic NMG5 Graphics Controller
03F0 - 03F5		Standard Floppy Disk Controller
03F6 - 03F6		Intel 82371AB/EB PCI Bus Master IDE Controller
03F7 - 03F7		Standard Floppy Disk Controller
03F8 - 03FF		Communications Port (COM1)
03D0 - 04D1		Motherboard Resources
0CF8 - 0CFF		PCI Bus
1000 - 103F		Motherboard Resources
1040 - 104F		Motherboard Resources
1050 - 105F		Intel 82371AB/EB PCI Bus Master IDE Controller
1060 - 107F		Intel 82371AB/EB PCI to USB Universal Host Controller
1080	- 10FF	PCI Fast Ethernet DEC 21143 Based Adapter
1400	- 14FF	PCI Communication Device
1800	- 1807	PCI Communication Device

System Memory Catalog

Memory	Device
Address
00000000 -	System Board Extension for PnP BIOS
0009FFFF
000A0000 -	NeoMagic NMG5 Graphics Controller
000AFFFF
000B0000 -	NeoMagic NMG5 Graphics Controller
000BFFFF
000C0000 -	NeoMagic NMG5 Graphics Controller
000CBFFF
000E4000 -	System Board Extension for PnP BIOS
000FFFFF
00100000 -	System Board Extension for PnP BIOS
03FFFFFF
04000000 -	Texas Instruments PCI-1225 CardBus Controller
04000FFF
04001000 -	Texas Instruments PCI-1225 CardBus Controller
04001FFF
F4000000 -	PCI Communication Device
F40000FF
F4000400 -	PCI Fast Ethernet DEC 21143 Based Adapter
F40007FF
F4100000 -	NeoMagic NMG5 Graphics Controller
F41FFFFF
F4100000 -	Intel 82443BX Pentium(r) II Processor to AGP
F47FFFFF	Controller
F4200000 -	PCI Multimedia Audio Device
F42FFFFF
F4400000 -	NeoMagic NMG5 Graphics Controller
F47FFFFF
F4C00000 -	PCI Multimedia Audio Device
F4FFFFFF
F4C00000 -	Intel 82443BX Pentium(r) II Processor to AGP
F5FFFFFF	Controller
F5000000 -	NeoMagic NMG5 Graphics Controller
F5FFFFFF
F8000000 -	Intel 82443BX Pentium(r) II Processor to PCI
FBFFFFFF	Bridge (with GART support)
FFF80000 -	Motherboard Resources
FFFFFFFF

Display Information

12.1 in TFT Display

U.S.Metric

12.1in TFT Dimensions

Height	1.1 in	234mm
Depth
	11.6 in	294.7mm
Width
	9.2"	29mm

13.3in TFT Dimensions

	1.2 in	234mm
Height		294.7mm
	11.6 in
Depth		30.5mm
	9.2 in
Width

Memory Expansion (Not Applicable in this Form Factor)

Diskette Drive

Storage Drives

3.5 in Drive

Capacity per Diskette (High/Low) Low 720KB High 1.44MB

Diskette Size	3.5 in
Number of LED Indicators	1
(Read/Write)
Number of Drives Supported	1
Drive Rotation (rpm)	360
Transfer Rate (Kbps/Sec)	Low	31
	High	62
Bytes per Sector	512
Sectors per Track (High/Low)	Low	9
	High	18
Access Times
	3ms
Track-to-Track (ms)	15ms
Head Setting (ms)
Cylinders (High/Low)	Not Available
Number of Read/Write Heads	2

LS-120 Drive

Information Not Applicable

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