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EMI – RFI
Conforms to FCC rules for a Class B
computing device
Microsoft
PC 99 – 2001
Functionally compliant
Mechanical
Languages
30+ available
Keycaps
Low-profile design
Switch actuation
55 g nominal peak force with tactile feedback
Switch life
20 million keystrokes (using Hasco modified
tester)
Switch type
Contamination-resistant membrane
Key-leveling
mechanisms
For all double-wide and greater-length keys
Cable length
6 ft (1.8 m)
Microsoft PC 99 - 2001
Mechanically compliant
Acoustics
43-dBA maximum sound pressure level
Environmental
Operating temperature
50° to 122° F (10° to 50° C)
Non-operating
temperature
-22° to 140° F (-30° to 60° C)
Operating humidity
10% to 90% (non-condensing at ambient)
Non-operating humidity
20% to 80% (non-condensing at ambient)
Operating shock
40 g, six surfaces
Non-operating shock
80 g, six surfaces
Operating vibration
2-g peak acceleration
Non-operating
vibration
4-g peak acceleration
Drop
(out of box)
26 in (66 cm) on carpet, six-drop sequence
Drop
(in box)
42 in (107 cm) on concrete, 16-drop
sequence
SMARTCARD function
Support
All ISO 7816 smart cards
Interface
Reads from and writes to all ISO7816-1, 2, 3,
4 memory and microprocessor smart cards
(T=0, T=1)
Chipset
SCM STCII
Standard APIs
supported
PC/SC, EMV2000, SET
Power
USB Port
Short circuit detection (protects smart card
and reader)
Power supply compliant with ISO7816 and
EMV (5V, 60 mA)
Supports 3-V and 5-V cards
Power consumption
250-mA maximum draw (50 mA for the
keyboard with three LEDs ON and 200-mA
maximum startup current using a high-
current, 60-mA smart card)
Communication
From card
Programmable from
9,600 baud to 115,200
baud
From computer
Up to 38,400 baud
Landing mechanism
Contact device
Friction contact
Card insertions
rating
Up to 100,000 insertion
cycles
QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Input/Output Devices
DA - 12744 Worldwide QuickSpecs — Version 13 — 12.14.2007
Page 37