compaq armada 110 User Manual

6–6Maintenance and Service Guide
Specifications
Physical configuration
Cylinders
3
Heads
Sectors per track3
Bytes per sector22784
2
293-560
512
User addressable sectors
319,640,880
Buffer size
3512 KBytes
Disk rotational speed4200 rpm
Transfer rate
Interface max (Mbytes/sec)
2
Media (Mbits/sec)366.6
109-20
1 1 GB = 1,000,000,000 bytes.2 System capability may differ.3 Actual drive specifications may differ slightly.
Certain restrictions and exclusion apply. Consult the Compaq Customer 
Support Center for...

Specifications
Maintenance and Service Guide6–7
Ta b l e  6 - 5
Diskette Drive
Diskette size3.5 inch
LightOn system
Height0.5 in 12.7 mm
Bytes per sector512
Sectors per track
High density
Low density18 (1.44 MB)
915 (1.2 MB)
Tracks per side
High density
Low density80
80
Read/write heads2
Average seek times
Track-to-track (high/low)
Average (high/low)
Settling time
Latency average3 ms
95 ms
15 ms
100 ms6 ms
174 ms 

6–8Maintenance and Service Guide
Specifications
Table 6-6
CD-ROM Drive
Applicable diskCD-ROM (Mode 1, 2, and 3)
CD-XA ready (Mode 2, Form 1 and 2)
CD-I ready (Mode 2, Form 1 and 2)
CD-R (read only)
CD Plus
Photo CD (single/multisession)
CD-Extra
Video CD
CD-WO (fixed packets only)
CD-Bridge
Center hole diameter.59 in 15 mm
Disk diameter12 cm, 8 cm
Disk thickness1.2 mm
Tr a c k  p i t c h1.6 µ
Access time
Random
Full Stroke< 150 ms
< 300 ms
Cache buffer128 KB
Data transfer rate
Sustained, 24X
Va r i a bl...

Specifications
Maintenance and Service Guide6–9
Table 6-7
DVD-ROM Drive
Applicable diskDVD-5, DVD-9, DVD-10
CD-ROM (Mode 1 and 2)
CD Digital Audio
CD-XA ready (Mode 2, Form 1 and 2)
CD-I ready (Mode 2, Form 1 and 2)
CD-R (read only)
CD Plus
Photo CD (single/multisession)
CD-Bridge
Center hole diameter.59 in 15 mm
Disk diameter12 cm, 8 cm
Disk thickness1.2 mm
Tr a c k  p i t c h.74 µ
Access time
Random
Full Stroke< 150 ms
< 225 ms
Audio output level
Lineout
Headphone0.7 V rms
none
Cache buffer128 KB
Data...

6–10Maintenance and Service Guide
Specifications
Table 6-8
AC Adapter
Weight0.45 lb 0.21 kg
Power supply (input)
Operating voltage
Operating current
Operating frequency range
Maximum transient100 to 240 VAC RMS Nominal
1.5 A RMS
50 to 60 Hz Nominal
4/50 kV 

Specifications
Maintenance and Service Guide6–11
Table 6-9
Battery Packs
Dimensions
Lithium ion (Li ion)
Height
Length
Width
Weight
Cells
Nickel Metal Hydride (NiMH)
Height
Length
Width
Weight
Cells0.83 in
3.15 in
6.55 in
0.97 lb
9 Li ion
0.83 in
3.15 in
6.55 in
0.1.32 lb
9 NiMH21 mm
166
81
0.44 kg
21 mm
166
81
0.60 kg
Energy
Li ion
Vo l t a g e
Amp-hour capacity
Watt-hour capacity
NiMH
Vo l t a g e
Amp-hour capacity
Watt-hour capacity11.1 V
4.8 Ah
53.2 Wh
10.8 V
4.5 Ah
48.6 Wh
Environmental...

6–12Maintenance and Service Guide
Specifications
Table 6-10
System DMA
Hardware DMA System Function
DMA0 Available for audio
DMA1 Entertainment audio
(default; alternate = DMA0, DMA3, none)
DMA2 Diskette drive
DMA3 ECP parallel port LPT1
(default; alternate = DMA0, none)
DMA4 DMA controller cascading (not available)
DMA5 Available for PC Card
DMA6 not assigned
DMA7 not assigned
✎PC Card controller can use DMA 1, 2, or 5. 

Specifications
Maintenance and Service Guide6–13
Table 6-11
System Interrupts
Hardware IRQ System Function
IRQ0 System timer
IRQ1 Keyboard controller
IRQ2 Cascaded
IRQ3 COM2
IRQ4 COM1
IRQ5 Audio (default)*
IRQ6 Diskette drive
IRQ7 Parallel port
IRQ8 Real time clock (RTC)
IRQ9 Infrared
IRQ10 System use
IRQ11 System use
IRQ12 Internal point stick or external mouse
IRQ13 Coprocessor (not available to any peripheral)
IRQ14 IDE interface (hard drive and optical drive)
IRQ15 System use
✎PC Cards may assert...

6–14Maintenance and Service Guide
Specifications
Table 6-12
System I/O Addresses
I/O Address (hex)System Function (shipping configuration)
000 - 00F DMA controller no. 1
010 - 01F unused
020 - 021 Interrupt controller no. 1
022 - 024 Opti chipset configuration registers
025 - 03F unused
02E - 02F 87334 “Super IO” configuration for CPU
040 - 05F Counter/timer registers
044 - 05f unused
060 Keyboard controller
061 Port b
062 - 063 unused
064 Keyboard controller
065 - 06F unused
070 - 071 NMI enable/real...

Specifications
Maintenance and Service Guide6–15 I/O Address (hex)System Function (shipping configuration)
0A2 - 0BF unused
0C0 - 0DF DMA controller no. 2
0E0 - 0EF unused
0F0 - 0F1 Coprocessor busy clear/reset
0F2 - 0FF unused
100 - 16F unused
170 - 177 Secondary fixed disk controller
178 - 1EF unused
1F0 - 1F7 Primary fixed disk controller
1F8 - 200 unused
201 Joystick (decoded in ESS1688)
202 - 21F unused
220 - 22F Entertainment audio
230 - 26D unused
26E - 26 unused
278 - 27F unused
280 - 2AB unused...