NEC POWERMATE P - SERVICE MANUAL 1996 Service And Reference Manual page 9

5-3 Removing the Screw.......................................................................................... 5-4
5-4 System Board Upgrade SIMM Sockets ............................................................. 5-5
5-5 Removing a SIMM............................................................................................ 5-5
5-6 Removing the Front Panel ................................................................................. 5-6
5-7 Locating the Blank Panel Tabs........................................................................... 5-7
5-8 Locating and Removing the Slot Covers ............................................................ 5-8
5-9 Left Side Front Internal Drive Bracket Screws................................................... 5-9
5-10 Removing the Card Guide/Fan Bracket Assembly .............................................. 5-10
5-11 Speaker ............................................................................................................. 5-11
5-12 3 1/2-Inch Diskette Drive Cables ....................................................................... 5-11
5-13 Diskette Drive Bracket Screws .......................................................................... 5-12
5-14 Front and Left Side Device Screws.................................................................... 5-13
5-15 Right Side Device Screws.................................................................................. 5-13
5-16 Removing the Device Rails ................................................................................ 5-14
5-17 Removing the Drive Bracket Screws.................................................................. 5-15
5-18 Securing the Drive to the Bracket...................................................................... 5-15
5-19 Power Supply Screws........................................................................................ 5-16
5-20 PCI/ISA Backboard........................................................................................... 5-17
5-21 System Board Removal ..................................................................................... 5-18
5-22 Powermate P Series Illustrated Parts Breakdown............................................... 5-20
A-1 System Board Layout ........................................................................................ A-1
A-2 System Board Connectors, Lower Right............................................................ A-2
A-3 Serial Interface .................................................................................................. A-3
A-4 Parallel Interface Connector............................................................................... A-4
A-5 VGA Interface Connector.................................................................................. A-6
A-6 Power Supply Connector Pin Assignments......................................................... A-7
Tables
1-1 System Board Chips .......................................................................................... 1-4
1-2 System Memory Map ........................................................................................ 1-6
1-3 I/O Address Map............................................................................................... 1-8
1-4 SIMM Memory Upgrade Path ........................................................................... 1-10
1-5 Interrupt Level Assignments .............................................................................. 1-11
1-6 Parallel Port Addressing and Interrupts.............................................................. 1-15
1-7 Serial Port Addressing and Interrupts ................................................................ 1-15
Contents ix