HP 6730b Service Manual

15.4-inch, WXGA display specifications
 MetricU.S.
Dimensions
Height
20.7 cm8.15 in
Width33.1 cm13.03 in
Diagonal39.1 cm15.39 in
Number of colorsUp to 16.8 million
Contrast ratio200:1 (typical)
Brightness180 nits (typical)
Pixel resolution
Pitch
0.259 × 0.259 mm
Format1440 × 900
ConfigurationRGB vertical stripe
BacklightCCFT
Character display80 × 25
Total power consumption6.5 W
Viewing angle+/-45° horizontal, +15/-35° vertical (typical)
15.4-inch, WXGA display specifications 111 

Hard drive specifications
 250-GB*160-GB*120-GB*
Dimensions
Height
9.5 mm9.5 mm9.5 mm
Width70 mm70 mm70 mm
Weight101 g101 g101 g
Interface typeSATASATASATA
Transfer rate100 MB/sec100 MB/sec100 MB/sec
SecurityATA securityATA securityATA security
Seek times (typical read, including setting)
Single track
3 ms3 ms3 ms
Average13 ms13 ms13 ms
Maximum24 ms24 ms24 ms
Logical blocks488,376,280312,560,640234,420,480
Disc rotational speed5400 rpm5400 rpm7200 rpm and 5400
rpm
Operating temperature5°C to 55°C (41°F...

DVD±RW and CD-RW Double-Layer Combo Drive
specifications
Applicable discRead:
CD-DA, CD+(E)G, CD-MIDI, CD-TEXT,
CD-ROM, CD-ROM XA, MIXED MODE
CD, CD-I, CD-I Bridge (Photo-CD, Video
CD), Multisession CD (Photo-CD, CD-
EXTRA, Portfolio, CD-R, CD-RW), CD-
R, CD-RW, DVD-ROM (DVD-5, DVD-9,
DVD-10, DVD-18), DVD-R, DVD-RW,
DVD+R, DVD+RW, DVD-RAMWrite:
CD-R and CD-RW
DVD+R, DVD+RW, DVD-R, DVD-RW,
DVD-RAM
Access timeCDDVD
Random< 175 ms< 230 ms
Cache buffer2 MB
Data transfer rate
24X CD-ROM
3,600 KB/sec
8X...

DVD/CD-RW Combo Drive specifications
Applicable discRead:
CD-DA, CD+(E)G, CD-MIDI, CD-TEXT,
CD-ROM, CD-ROM XA, MIXED MODE
CD, CD-I, CD-I Bridge (Photo-CD, Video
CD), Multisession CD (Photo-CD, CD-
EXTRA, Portfolio, CD-R, CD-RW), CD-
R, CD-RW, DVD-ROM (DVD-5, DVD-9,
DVD-10, DVD-18), DVD-R, DVD-RW,
DVD+R, DVD+RW, DVD-RAMWrite:
CD-R and CD-RW
Access timeCDDVD
Random< 110 ms< 130 ms
Audio output levelLine-out, 0.7 Vrms
Cache buffer2 MB
Data transfer rate 
24X CD-ROM3,600 KB/sec
8X DVD3,600 KB/sec
24X...

DVD-ROM Drive
Applicable discDVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18, CD-ROM (Mode 1 and 2), CD Digital
Audio, CD-XA ready (Mode 2, Form 1 and Form 2), CD-I (Mode 2, Form 1 and Form
2), CD-R, CD-RW, Photo CD (single and multisession), CD-Bridge
Access time
CDDVD
Random< 100 ms< 125 ms
Cache buffer512 KB
Data transfer rate
CD-R (24X)
3600 KB/s (150 KB/s at 1X CD rate)
CD-RW (10X)1500 KB/s (150 KB/s at 1X CD rate)
CD-ROM (24X)3600 KB/s (150 KB/s at 1X CD rate)
DVD (8X)10,800 KB/s (1,352 KB/s at 1X DVD rate)...

System DMA specifications
Hardware DMASystem function
DMA0Not applicable
DMA1*Not applicable
DMA2*Not applicable
DMA3Not applicable
DMA4Direct memory access controller
DMA5*Available for ExpressCard
DMA6Not assigned
DMA7Not assigned
*ExpressCard controller can use DMA 1, 2, or 5.
116 Chapter 6   Specifications 

System interrupt specifications
Hardware IRQSystem function
IRQ0System timer
IRQ1Standard 101-/102-Key or Microsoft® Natural Keyboard
IRQ2Cascaded
IRQ3Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD
IRQ4COM1
IRQ5*Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3 Data Fax
Modem with SmartCP
IRQ6Diskette drive
IRQ7*Parallel port
IRQ8System CMOS/real-time clock
IRQ9*Microsoft ACPI-compliant system
IRQ10*Intel USB UHCI controller—24C2
Intel 82852/82855 GM/GME Graphic Controller
Realtek...

System I/O address specifications
I/O address (hex)System function (shipping configuration)
000 - 00FDMA controller no. 1
010 - 01FUnused
020 - 021Interrupt controller no. 1
022 - 024Opti chipset configuration registers
025 - 03FUnused
02E - 02F87334 “Super I/O” configuration for CPU
040 - 05FCounter/timer registers
044 - 05FUnused
060Keyboard controller
061Port B
062 - 063Unused
064Keyboard controller
065 - 06FUnused
070 - 071NMI enable/RTC
072 - 07FUnused
080 - 08FDMA page registers
090 - 091Unused...

I/O address (hex)System function (shipping configuration)
220 - 22FEntertainment audio
230 - 26DUnused
26E - 26Unused
278 - 27FUnused
280 - 2ABUnused
2A0 - 2A7Unused
2A8 - 2E7Unused
2E8 - 2EFReserved serial port
2F0 - 2F7Unused
2F8 - 2FFInfrared port
300 - 31FUnused
320 - 36FUnused
370 - 377Secondary diskette drive controller
378 - 37FParallel port (LPT1/default)
380 - 387Unused
388 - 38BFM synthesizer—OPL3
38C - 3AFUnused
3B0 - 3BBVGA
3BC - 3BFReserved (parallel port/no EPP support)
3C0 - 3DFVGA
3E0 -...

System memory map specifications
SizeMemory addressSystem function
640 KB00000000-0009FFFFBase memory
128 KB000A0000-000BFFFFVideo memory
48 KB000C0000-000CBFFFVideo BIOS
160 KB000C8000-000E7FFFUnused
64 KB000E8000-000FFFFFSystem BIOS
15 MB00100000-00FFFFFFExtended memory
58 MB04800000-07FFFFFFSuper extended memory
58 MB04800000-07FFFFFFUnused
2 MB08000000-080FFFFFVideo memory (direct access)
4 GB08200000-FFFEFFFFUnused
64 KB FFFF0000-FFFFFFFF System BIOS
120 Chapter 6   Specifications