Manual for Ready ES Pro

Brand: NEC

Category: Computer

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 8:52 p.m.

Warranty Information

No specific warranty period is mentioned in the provided document excerpts.

This manual provides technical information for servicing and repairing NEC Ready ES Pro series systems. It covers system setup, option installation, and troubleshooting. The manual is organized into sections covering technical information, setup utility, option installation, maintenance and troubleshooting, disassembly and reassembly, system specifications, connector pin assignments, and system resources. It details processor, cache/memory, chipset, PCI and expansion buses, BIOS, memory map, Plug and Play support, CMOS/RTC battery, DMA/IRQ settings, IDE ports, I/O ports, sound system, fax/modem/sound board, DSP chip, Ethernet board, graphics board, diskette drive, hard disk drive, CD-ROM reader, power supply, and power management. Installation procedures for expansion boards, DIMMs, and processors are also included, along with data storage device installation and system resource management.

Troubleshooting and error codes

IRQ	System Resource
NMI	I/O channel check
00	Reserved, internal timer
01	Reserved, keyboard buffer full
02	Reserved, cascade interrupt form slave PIC
03	COM2*
04	COM1*
05	LPT2 (Plug and Play option)/Audio/User available
06	Diskette drive
07	LPT1*
08	Real-time clock
09	User available
10	User available/USB
11	Windows Sound System*/User available
12	Onboard mouse port (if present, else user available)
13	Reserved, math coprocessor
14	Primary IDE (if present, else user available)
15	Secondary IDE (if present, else user available)

DMA	Resource
00	Audio
01	Audio/Parallel port
02	Diskette drive
03	ECP parallel port/Audio
04	Reserved, cascade channel
05	Available
06	Available
07	Available