NEC HX4500 manual Rear Chassis Features and Controls

O N M L

G	A
H	B
I	C
J	D
F	E

P

K

A	Keyboard	PS/2-compatible 6-pin mini-DIN connector.
B	Printer	LPT1 25-pin parallel port connector.
C	VGA	VGA monitor 15-pin connector.
D	External-SCSI	Narrow-SCSI 50-pin connector
E	Dump button	See Configuring Switch and Jumper Settings in Chapter 4 of this User’s Guide.
F	Function select	See Configuring Switch and Jumper Settings in Chapter 4 of this User’s Guide.
	switches
G	Mouse	PS/2-compatible 6-pin mini-DIN connector.
H	COM1	COM1 serial port 9-pin connector.
I	COM2	COM2 serial port 9-pin connector.
J	—	Reserved.
K	Power status	Both indicators are green during normal operation. Either or both indicators go off when
	LEDs	power supply fails. See Table 1-1 for status descriptions.
L	PCI slots	Two PCI add-in board slot locations (PCI #11 and PCI #12).
M	Knockout	Available to route SCSI signals to peripheral boxes.
N	ISA slots	Two ISA add-in board slot locations (ISA #1 and ISA #2).
O	PCI slots	Seven PCI add-in board slot locations (PCI #21, PCI #22, PCI #23, PCI #31, PCI #32, PCI
		#33, and PCI #34).
P	Power supplies	Possible configurations, installed from bottom most bay:
	(three shown)	2 supplies (nonredundant), 3 supplies (one redundant).
		Each power supply has a separate AC input power connector.
		Figure 1-3. Rear Chassis Features and Controls

1-10 System Overview