Acer Aspire 4230 Service Guide

Chapter 4141
0x8B Setup interrupt vector and present bit in Equipment 
byte.LBT Core
0x95 1. Check CMOS for CD-ROM drive present 2. 
Activate the drive by checking for media present 3. 
Check sector 11h (17) for Boot Record Volume 
Descriptor 4. Check the boot catalog for validity 5. 
Pick a boot entry 6. Create a Specification PacketLBT Core
0x92 Jump to UserPatch2. LBT Core
0xB6 If password on boot is enabled, a call is made to 
Setup to check password. If the user does not enter 
a valid password,...

142Chapter 4
0xB5 Fade out OEM Logo or post string LBT Core
0xC5 End hotkey detection (Server BIOS) LBT Core
0xBE If BCP option is enabled, clear the screen before 
booting.LBT Core
0xB6 If password on boot is enabled, a call is made to 
Setup to check password. If the user does not enter 
a valid password, Setup does not return.LBT Core
0xBC Clear parity-error latch LBT Core
0xB7 Initialize ACPI BIOS. LBT Core
0x9B Enable CPU management (Geyserville I) LBT Core
0xBD Display Boot First menu if MultiBoot...

Chapter 5143
Jumper and Connector Locations
Top View
No.DescriptionNo.DescriptionNo.Description
1 E-Key Switch 12 Touch Pad Connector 23 Charger LED
2 LCD Power IC 13 +2.5V Power IC 24 Power LED
3 LCD/CCD Connector 14 EC controller 25 NewCard Connector
4 Internal Microphone 15 +3V, +5V Converter IC 26 Audio Codec ALC888
5 CPU H/W MONITOR IC 16 LID switch (Hall Sensor) 27 Internal SPKS
6 +1.1V Converter IC 17 Touch Pad Right Switch 28 NB_Core Converter IC
7 SW Board Connector 18 Touch Pad Left Switch 29...

144Chapter 5
Bottom View
No.DescriptionNo.Description
1 LAN Chipset 15 New Card Power IC
2 North Bridge MCP77MH 16 +1.1V_S5 Power IC
3 CPU Socket 17 MDC Connector
4 CPU Power IC 18 Amplifier IC
5 Battery Connector 19 Microphone Connector
6 Power Board Connector 20 Line In Connector
7 Mini Card Connector 21 HeadPhone/SPDIF Connector
8 DDRII SO-DIMM 22 FAN Connector
9 +1.5V Power IC 23 USB Power IC
10 CD-ROM Connector 24 USB Connector
11 Volume Control Dial 25 Modem Line-in
12 7 in1 CardReader Connector 26...

Chapter 5145
Clearing Password Check and BIOS Recovery
This section provide you the standard operating procedures of clearing password and BIOS recovery for 
Aspire 4530/4230. Aspire 4530/4230 provide one Hardware Open Gap on main board for clearing password 
check, and one Hotkey for enabling BIOS Recovery.
Clearing Password Check
Hardware Open Gap Description
Steps for Clearing BIOS Password Check
If users set BIOS Password (Supervisor Password and/or User Password) for a security reason, BIOS will ask...

146Chapter 5
BIOS Recovery by Crisis Disk
BIOS Recovery Boot Block:
BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS 
initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous 
BIOS flashing process failed.
BIOS Recovery Hotkey:
The system provides a function hotkey: Fn+Esc, for enable BIOS Recovery process when system is powered 
on during BIOS POST. To use this function, it is strongly...

Chapter 6147
FRU (Field Replaceable Unit) List
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 4530/4230. Refer to this 
chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available on your 
regional web or channel. For whatever reasons a part number change is made, it will not be noted on the printed Service 
Guide. For...

148Chapter 6
Aspire 4530/4230 Exploded Diagram
Main Assembly
ItemDescriptionPart Number
1 Middle Cover 42.ARE07.001
2 Upper Cover 60.ARE07.001
3 Thermal Module 60.ARE07.008
4 Lower Cover 60.ARE07.003
5 Thermal Cover 42.ARE07.002
6 FFC Cable LED (3V, 58.5 MM, 12/12P)  50.ARE07.002
7 Express Card Dummy  42.ARE07.003
8 SD Card Dummy 42.TG607.005 

Chapter 6149
LCD Assembly
ItemDescriptionPart Number
1 LCD Bezel 60.ARE07.005
2 LCD Assy (IMR) 60.ARE07.004
3 LCD (TFT) 14.1” Panel LK.14105.018
4 Camera Board 57.ARE07.001
5 Inverter 19.TPK07.001
6 LCD Cable Assy 50.ARE07.003
7 LCD Hinge_L 33.ARE07.005
8 LCD Hinge_R 33.ARE07.004
9 LCD Bezel Screw Cap 47.ARE07.001 

150Chapter 6
Aspire 4530/4230 FRU List
 CategoryDescriptionPart Number
Adapter
ADAPTER 65W 3PIN DELTA SADP-65KB DFA AP.06501.013
ADAPTER 65W LITEON PA-1650-02AC LF AP.06503.016
ADAPTER 65W 3PIN HIPRO AC-OK065B13 AP.0650A.010
Battery
Battery SANYO AS-2007A Li-Ion 3S2P SANYO 6 cell 4400mAh 
Main COMMON Normal TypeBT.00603.041
Battery SONY AS-2007A Li-Ion 3S2P SONY 6 cell 4400mAh 
Main COMMON Normal Type BT.00604.024
Battery PANASONIC AS-2007A Li-Ion 3S2P PANASONIC 6 cell 
4400mAh Main COMMON...