Compaq MSB900L MSB900/L Incompatibilities to a standard PC/AT, Related Application Notes

DIGITAL-LOGIC AG MSB900/L Detailed Technical Manual V1.0

2.8.MSB900/L Incompatibilities to a standard PC/AT

None.

2.9.Related Application Notes

Application Notes are available at http://www.digitallogic.com ￿ support, or on any DIGITAL-LOGIC Application CD.

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Description

2.10. High Frequency Radiation (to meet EN55022)

All connectors are filtered onboard to comply with the EMI standards.

The following filters are used:

Interface	3db-	Inductivity	Capacitor	Filter-Type	Protection
	Frequency	L and R	to GND
VGA-RGB		Ferrite	2x 10pF		0V/3V Diode
VGA-HS/VS		33ohms	33pF		0V/3V Diode
VGA-VCC		Ferrite	1nF		None
Video Input	-	-	-	-	None
USB		Inductors	none	DLP31D	Diode SRV05-4
					GND/5V
IDE		33ohms series	-	-	None
Sound I/O		Ferrite	1nF		None
PS2-KB		Ferrite	47pF		None
PS2-MS		Ferrite	47pF		None
PS2-VCC		Ferrite	1nF		None
PS2-GND		Ferrite	1nF		None
COM1			47pF		MAX211E
COM2			47pF		MAX211E
LPT1			47pF		none
LAN		Integrated	PULSE	J00-0065NL	Isolated 500V
All 33MHz-Clocks		33Ohms series	10pF		None

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