NEC Express5800/120Mc2 series, Руководство пользователя

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1-8 System Overview
System Board Features
The system board offers a “flat” design with the processor and memory subsystems
residing on the board. This figure shows the major components on the system board.
The following subsections describe the system board major components.
A – Primary processor connector R – Internal SCSI HDD bay connector
B – Not used S – Not used
C – Secondary processor connector T – Jumper block
D – Memory DIMM slots U – Lithium backup battery
E – Secondary VRM V – 64 bit, 66 MHz PCI slots for add-in boards
F – Not used W – 64 bit, 33 MHz PCI slot for add-in board
G – Not used X – 32 bit, 33 MHz PCI slots for add-in boards
H – Power on/off switch connector Y – PCI/ISA shared slot for add-in board
I – Not used Z – Fan connectors (Fan1, Fan2)
J – Main power connector AA – LAN RJ-45 network controller connector
K – Reset switch connector BB – SVGA monitor port connector
L
– Speaker connector
CC
– Parallel port connector
M – Diskette drive connector DD – Mouse PS/2 compatible connector
N – IDE connector EE – Keyboard PS/2 compatible connector
O – Fan3 connector FF – Not used
P – External SCSI and media bays connector GG – Serial port connectors (top COM 1, bottom COM2)
Q – Fan4 connector HH – USB connectors (top USB 1, bottom USB 2)
System Board