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United States January 2, 2003
Maintenance & Service Guide
Presario 1800 Series
Models: 1805 and 1810
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Specifications
This chapter covers the following specifications of Compaq Presario 1800 Series Portable
Computers:
Computer models
Physical and environmental
System Interrupts
System DMA
System I/O Address
System Memory Catalog
Display
Memory expansion
Diskette drive
Hard drive
CD and DVD drive
Battery pack
Computer Specifications
U.S. Metric
Dimensions
Height
Depth
Width
1.97 in
12.20 in
10.08 in
4.95 cm
31.00 cm
25.40 cm
Weight
Model 1805
Model 1810
7.326 Ib
7.326 Ib
3.33 kg
3.33 kg
Stand-Alone (Battery Pack)
Power Requirements
Nominal Operating
Maximum Average
Peak Operating
NiMH
W @ 9.6 V
W @ 9.6 V
W @ 9.6 V
Li-ion
W @ 14.4 V
W @ 14.4 V
W @ 14.4 V
AC Power Requirements
Operating Voltage
Operating Current
Operating Frequency
Maximum Transient
100-240 V
0.8/0.4 A RMS
47-63 Hz
Meets IEC 801-4 and IEC801-5
1kV for 50 ns
Temperature
Operating 50° to 95 °F 10° to 35 °C
Nonoperating -4° to 140 °F -20° to 60 °C
Relative Humidity
(noncondensing)
Operating 10 to 90% 35°C to 90%
Nonoperating (tw = 38.7°C max) 5 to 95% 60°C to 95%
Altitude
Operating 0 to 10,000 ft 0 to 3.15 km
Nonoperating 0 to 30,000 ft 0 to 9.14 km
Shock
Operating 10 G, 11 ms, half sine
Non operating 240 G, 2 ms, half sine
Vibration
Operating 0.5 G
Nonoperating 1.5 G
NOTE: Applicable product safety standards specify thermal limits for plastic surfaces.
Compaq Presario 1800 Series Portable Computers operate well within this range of
temperatures.
System Interrupts
Hardware IRQ System Function
IRQ0 Timer Interrupt
IRQ1 Keyboard
IRQ2 Interrupt Controller Cascade
IRQ3 Internal Modem
IRQ4 Communication Port (COM1)
IRQ5 Audio Controller
IRQ6 Diskette Drive
IRQ7 Parallel Port (LPT 1) (default)
IRQ8 System CMOS/Real-Time Clock
IRQ9 IRQ Holder for PCI Steering
IRQ9 PCI-1131 CardBus Controller
IRQ9 IRQ Holder for PCI Steering
IRQ9 IRQ Holder for PCI Steering
IRQ9 PCI-1131 CardBus Controller
IRQ9 Video Controller
IRQ11 Intel PCI to USB Universal Host Controller
IRQ11 IRQ Holder for PCI Steering
IRQ12 PS/2 TouchPad/Mouse
IRQ13 Numeric data processor
IRQ14 Intel PCI Bus Master IDE Controller
IRQ14 Primary IDE Controller (dual fifo)
IRQ15 Intel PCI Bus Master IDE Controller
IRQ15 Secondary IDE Controller (dual fifo)
System DMA
Hardware DMA System Function
DMA 0 Audio Controller
DMA 1 Audio Controller
DMA 2 Diskette Drive
DMA 4 DMA Controller
System I/O Address
I/O Address (Hex) System Function (Shipping Configuration)
0000h-000Fh DMA Controller
0020h-0021h Interrupt Controller
0040h-0043h System timer
0060h-0060h Keyboard Controller
0061h-0061h System speaker
0064h-0064h Standard 101/102-Key or Microsoft Natural
Keyboard
0070h-0071h System CMOS/real time clock
0080h-0080h Motherboard resources
0081h-008Fh DMA Controller
00A0h-00A1h Programmable interrupt controller
00C0h-00DFh DMA
00ECh-00EFh Motherboard resources
00F0h-00FFh Numeric data processor
0170h-0177h Intel PCI Bus Master IDE Controller
0170h-0177h Secondary IDE Controller (dual fifo)
01F0h-01F7h Intel PCI Bus Master IDE Controller
01F0h-01F7h Primary IDE Controller (dual fifo)
0201h-0201h Gameport Joystick
0220h-022Fh ES1869 Plug and Play AudioDrive
02F8h-02FFh Compaq Presario 56K-DF
0330h-0331h ES1869 Plug and Play AudioDrive
0376h-0376h Secondary IDE controller (dual fifo)
0376h-0376h Intel PCI Bus Master IDE Controller
0378h-037Fh Printer Port (LPT1)
0388h-038Bh ES1869 Plug and Play AudioDrive
03B0h-03BBh Video Controller
03C0h-03DFh Video Controller
03F0h-03F5h Standard Floppy Disk Controller
03F6h-03F6h Intel PCI Bus Master IDE Controller
03F6h-03F6h Primary IDE controller (dual fifo)
03F7h-03F7h Standard Floppy Disk Controller
03F8h-03FFh Communications Port (COM1)
04D0h-04D1h Motherboard resources
0800h-0807h ES1869 Control Interface
0CF8h-0CFFh PCI bus
2180h-218Fh Motherboard resources
8000h-803Fh Motherboard resources
FCD0h-FCD7h Primary IDE controller (dual fifo)
FCD0h-FCDFh Intel PCI Bus Master IDEController
FCD8h-FCDFh Secondary IDE controller (dual fifo)
FCE0h-FCFFh Intel PCI to USB Universal Host Controller
System Memory Catalog
Memory Address System Function
00000000h-0009FFFFh System board extension for PnP BIOS
000A0000h-000AFFFFh Graphics Controller
000B0000h-000BFFFFh Graphics Controller
000C0000h-000CBFFFh Graphics Controller
000DC000h-000FFFFFh System board extension for PnP BIOS
00100000h-03FFFFFFh System board extension for PnP BIOS
05000000h-05000FFFh PCI-1131 CardBus Controller
05001000h-05001FFFh PCI-1131 CardBus Controller
80000000h-803FFFFFh Intel Pentium(r) II Processor to PCI bridge
FD000000h-FDFFFFFFh
Graphics Controller
FEA00000h-FEBFFFFFh
Graphics Controller
FED00000h-FEDFFFFFh
Graphics Controller
FFF80000h-FFFFFFFFh Motherboard resources
13.3" (Diagonal) TFT Display
U.S. Metric
Dimensions
Height
Width
Information
not available
Information
not available
Display Dimensions
Width
Height
Depth
Information
not available
Information
not available
Weight
Information
not available
Information
not available
Contrast Ratio
Information
not available
Information
not available
Brightness
Information
not available
Information
not available
Total Power Consumption
Information
not available
Information
not available
Memory Expansion
System Memory Expansion Board
Memory
Total Memory
32-MB 16-MB 48-MB
32-MB 32-MB 64-MB
32-MB 64-MB 96-MB
Diskette Drive
Capacity per Diskette (High/Low)
Information not available
Diskette Size
Information not available
Number of LED Indicators
(Read/Write)
Information not available
Number of Drives Supported
Information not available
Drive Rotation (rpm)
Information not available
Transfer Rate (Kbps)
Information not available
Bytes per Sector
Information not available
Sectors per Track (High/Low)
Information not available
Tracks per Side (High/Low)
Information not available
Access Times
Track-to-Track (ms)
Average (ms)
Setting Time (ms)
Latency Average (ms)
Information not available
Cylinders (High/Low)
Information not available
Number of Read/Write Heads
Information not available
Hard Drives
3.2-GB 4.0-GB 6.4-GB
Capacity Per Drive
Information not
available
Information not
available
Information not
available
Drive Type
Information not
available
Information not
available
Information not
available
Logical
Configuration
Cylinders
Heads
Sectors per track
Bytes per sector
Information not
available
Information not
available
Information not
available
Seek Times
(Typical, Including
settling in ms)
Single track
Average
Full stroke
Information not
available
Information not
available
Information not
available
Transfer Rate
At interface
Information not
available
Information not
available
Information not
available
DVD Drive
DVD Drive
Dimensions
Information not available
Weight
Information not available
Rotational Speed
Information not available
Typical Transfer Rate
Sustained Data Transfer Rate
Information not available
Access Time
Average Random Access Time
Information not available
Spin Up time
Information not available
Data Buffer Capacity
Information not available
CD Drive
24× CD Drive
Dimensions
Information not available
Weight
Information not available
Rotational Speed
Information not available
Typical Transfer Rate
Sustained Data Transfer Rate
Information not available
Access Time
Average Random Access Time
Information not available
Spin Up time
Information not available
Data Buffer Capacity
Information not available
Battery Pack
Nickel Metal Hydride (NiMH) Lithium Ion (Li ion) *
Dimensions
Height
Length
Width
0.8 in (20.3 mm)
5.7 in (145 mm)
3.1 in (78.7 mm)
0.8 in (20.3 mm)
5.7 in (145 mm)
3.1 in (78.7 mm)
Weight
1.01 Ib (458.1 g) 0.90 Ib (408.2 g)
Battery Pack Operating
Time
2:30 hr 3:00 hr
Energy
Nominal Open Circuit Voltage
Capacity
Power
9.6 V
3200mAH
40 W
14.4 V
2500mAH
40 W
Environmental
Requirements
Operating Temperature
Non-operating Temperature
Charging Temperature
32° F (0-50° C)
-20° C -60° C
5° C-45° C
32° F (0-50° C)
-20° C -60° C
5° C-45° C
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