IBM BDM-610000049 user manual Electrical Characteristics, 14 CMX158886 cpuModule, SVGA Port

Table 4 Electrical Characteristics

Symbol	Parameter	Test Condition	Min.	Max.
		SVGA Port
VOH	Output Voltage High	IOH = –32.0 mA	3.8 V	5.0 V
	HSYNC, VSYNC
VOL	Output Voltage Low	IOL = 32.0 mA	0.0 V	0.55 V
	HSYNC, VSYNC
VOH	Output Voltage High	IOH = –4.0 mA	2.4 V	3.3 V
	DDC_*
VOL	Output Voltage Low	IOL = 8.0 mA	0.0 V	0.4 V
	DDC_*
VIH	Input Voltage High	—	2.0 V	5.5 V
	DDC_*
VIL	Input Voltage Low	—	-0.3 V	0.8 V
	DDC_*
IDDCvcc	Supply Current for	—		100 mA
	DDC Electronics
	Serial Ports - RS-232
VOH	Output Voltage High	RL = 3 k	5.0 V	10.0 V
VOL	Output Voltage Low	RL = 3 k	-10.0 V	-5.0 V
VIH	Input Voltage High	—	2.4 V	25 V
VIL	Input Voltage Low	—	-25 V	0.8 V
	Serial Ports - RS-422/485
VOD1	Differential Output	RL = 50 Ohm	2.0 V	6.0 V
VOD2	Differential Output	RL = 27 Ohm	1.5 V	6.0 V
VOC	Common Mode	RL = 27 or 50	0.0 V	3.0 V
	Output	Ohm
VTH	Differential Input	-7V < VCM < 7V	-0.3 V	0.3 V
	Threshold
VI	Absolute Max Input	—	-25 V	25 V
	Voltage
	multiPort - all modes
VOH	Output Voltage High	IOH = –4.0 mA	2.4 V	3.3 V
VOL	Output Voltage Low	IOL = 8.0 mA	0.0 V	0.4 V
V	Input Voltage High2	—	2.0 V	5.5 V
IH
V	Input Voltage Low2	—	-0.5 V	0.8 V
IL
IADIOvcc	Supply current	—		500 mA
	Utility Port Connector (CN5)
VRTC	Input RTC Voltage3	—	2.0V	3.6 V
IUTILvcc	Utility Supply	—		500 mA
	Current
	External Power Management (CN12) - PME#
VIH	Input Voltage High	—	2.0 V	5.5 V
VIL	Input Voltage Low	—	-0.5 V	0.8 V

1. Applies to modes up to UltraDMA Mode 4 (ATA/66)

14 CMX158886 cpuModule BDM-610000049 Rev G