Acer Extensa 700 Service Guide

Chapter 1 1-9
Onboard memory size 0MB
DIMM socket number 2 sockets (2 banks)
Supported memory size per DIMM 16/32/64
Supported maximum memory size 128MB (64MB x 2)
Supported DIMM type Synchronous DRAM
Supported DIMM Speed SDRAM: With SPD, no parity
Supported DIMM voltage 3.3V
Supported DIMM package 144-pin DIMM
DIMM Memory Combinations
Slot 1Slot 2Total Memory
000
0 16MB 16MB
0 32MB 32MB
0 64MB 64MB
16MB 16MB 32MB
16MB 32MB 48MB
16MB 64MB 80MB
16MB 128MB 144MB
32MB 32MB 64MB
32MB 64MB 96MB
32MB 128MB...

1-10 EXTENSA 700/710 Service Guide
SRAM voltage 3.3V
1st level cache control always enable
2st level cache control always enable
Cache scheme control Fixed in Write-back
Video memory
ItemSpecification
Fixed or upgradeable Fixed, built-in NM2160B video 
controller
Memory size =/configuration 2MB
Video
itemSpecification
Chip vendor NeoMagic
Chip name NM2160B
Chip voltage 3.3 Volts
ZV port support (Y/N) Yes
Graph interface (ISA/VESA/PCI) PCI bus
Max. resolution (LCD) 1024x768 (64K colors) True Color
Max....

Chapter 1 1-11
Parallel Port
ItemSpecification
Parallel port controller NS PC97338
Number of parallel ports 1
Location Rear side
Connector type 25-pin D-type
Parallel port function control Enable/Diable by BIOS Setup
ECP support Yes (set by BIOS setup)
Selectable ECP DMA channel (in BIOS 
Setup)DMA channel 1
DMA Channel 3
Selectable parallel port I/O address 
(via BIOS Setup)3E8h, 2E8, 378h, 278h, Disabled
Selectable parallel port IRQ (via BIOS 
Setup)IRQ5, IRQ7
Serial Port
ItemSpecification
Serial port...

1-12 EXTENSA 700/710 Service Guide
16550 UART support Yes
FIR location Left side
Selectable serial port (by BIOS Setup) 2F8h, IRQ3, Disabled
Audio
ItemSpecification
Audio Controller ESS PCI Maestro II
Audio onboard or optional Built-in
Mono or Stereo Stereo
Resolution 16-bit
Compatibility SB-16, Windows Sound System
Mixed sound source Voice, Synthesizer, Line-in, 
Microphone, CD
Voice channel 8-/16-bit, mono/stereo
Voice control location Right side
Sampling rate 44.1 KHz
Internal microphone Yes, on the...

Chapter 1 1-13
Support modem protocol V.34 data modem, V.17 fax modem, 
voice/audio mode, and digital 
simultaneous voice and data (DSVD) 
operation over a dial-up telephone line
Modem connector type RJ11
Modem connector location Back side
Keyboard
ItemSpecification
Keyboard controller M38867
Keyboard vendor & model name API
Total number of keypads 84-/85-/88-key
Windows 95 keys Yes
Internal & external keyboard work 
simultaneouslyYe s
FDD
ItemSpecification
Vendor & model name D353F3(MISUMI)
Floppy Disk...

1-14 EXTENSA 700/710 Service Guide
Drive Format
Capacity (MB) 2160 3240 4090
Bytes per sector 512 512 512
Logical heads 16 16 16
Logical sectors 63 63 63
Drive Format
Logical cylinders 6225 3154 7944
Physical read/write heads 4 5 6
Disks 2 3 3
Spindle speed (RPM) 4000 4000 4000
Performance Specifications
Buffer size (KB) 128 512 512
Interface IDE IDE IDE
Data transfer rete (disk-
buffer, Mbytes/s)6.0~9.1 6.4~10.4 6.46~10.4
Data transfer, rate 
(host~buffer, Mbytes/s)16.6/33.3 16.6/33.3 16.6/33.3
DC Power...

Chapter 1 1-15
Battery
ItemSpecification
Vendor & model name Sony BTP-1431
Battery Type Li-ion
Pack capacity (mAH) 3000
Cell voltage (V) 3.6
Number of battery call 8
Package configuration 2P-4S
Package voltage (V) 14.4V
Charger
ItemSpecification
Vendor & model name T62.085.C.00
Input voltage (from adapter, V) 7V-24V
OUtput current (to DC/DC converter, A) 3.5
Battery Low Voltage Li-ion
Battery Low 1 level (V) 11.41V
Battery Lower 2 level (V) 10.94V
Battery Low 3 level (V) 9.9V
Charge Current
Backgound...

1-16 EXTENSA 700/710 Service Guide
DC-AC inverter is used to generate very high AC voltage, then support to 
LCD CCFT backlight user, and is also responsible for the control of LCD 
brightness. Avoid touching the DC-AC inverter area while the system unit is 
turned on.
OVP (Over Voltage 
Protection, V)5.52~5
.553.642~
3.69315~17 7~9 -
OCP (Over Current 
Protection, A)4~6 4~6 0.3~0.
4--
DC-AC Inverter
ItemSpecification
Vendor & model 
nameAmbit T622.087.C.00
Input voltage (V) 7.3 (min) - 22 (max)
Input...

Chapter 1 1-17
Optical Specification
Contrast ration 50 (typ) 100 (typ) 100 (typ)
Brightness (cd/m2) 70 (typ) 70 (typ) 100 (typ)
Brightness control keyboard 
hotkeykeyboard 
hotkeykeyboard 
hotkey
Contrast control keyboard 
hotkeyNone None
Electrical Specification
Supply voltage for 
LCD display (V)3.3 (typ) 3.0~3.6 (typ) 3.3 (typ)
Supply voltage for 
LCD backlight (Vrms)600 (typ) 650 (typ), 660 
(max)650 (typ)
AC Adapter
ItemSpecification
Vendor & model name Delta ADP-60HB.Rev.A
Input Requirements...

1-18 EXTENSA 700/710 Service Guide
Hold up time (ms; 
@115 Vac input, full 
load)8 (min)
Over voltage 
protection (OVP, V)26
Short circuit protection Output can be shorted without damage
Electrostatic discharge 
(ESD, kV)+-15 (at air discharge)
Dielectric withstand voltage
Primary to secondary 3000 Vac (or 4242 Vdc), 10mA for 1 second
Leakage current 0.25 mA maximum @ 254 Vac, 60Hz
Regulatory Requirements
Internal filter meets:
FCC class B requirements. (USA)
VDE 243/1991 class B requirements. (German)...