Acer Aspire 7315 Service Guide

Chapter 4141
0x3B MONOTONIC_COUNTER
0x3C WATCH_DOG_TIMER
0x3D SECURITY_STUB
0x3E DXE_CPU_IO
0x3F CF9_RESET
0x40 PC_RTC
0x41 STATUS_CODE
0x42 VARIABLE 
0x43 EMU_VARIABLE
0x44 DXE_CHIPSET_INIT
0x45 DXE_ALERT_FORMAT
0x46 PCI_HOST_BRIDGE
0x47 PCI_EXPRESS
0x48 DXE_SB_INIT
0x49 IDE_CONTROLLER
0x4A SATA_CONTROLLER
0x4B SB_SM_BUS
0x4C ISA_ACPI_DRIVER
0x4D ISA_BUS
0x4E ISA_SERIAL
0x4F IDE_BUS
0x50 PCI_BUS
0x51 BOOT_PRIORITY
0x52 FVB_SERVICE
0x53 ACPI_PLATFORM
0x54 PCI_HOT_PLUG
0x55 DXE_PLATFORM
0x56 PLATFORM_IDE...

142Chapter 4
0x66 BIOS_KEYBOARD
0x67 BIOS_VEDIO
0x68 MONITER_KEY
0x69 LEGACY_BIOS
0x6A LEGACY_BIOS_PLATFORM
0x6B PCI_PLATFORM
0x6C ISA_FLOOPY
0x6D PS2_MOUSE
0x6E USB_BOT
0x6F USB_CBI0
0x70 USB_CBI1
0x71 USB_KB
0x72 USB_MASS_STORAGE
0x73 BUS_PCI_UHCI
0x74 USB_MOUSE
0x75 USB_BUS
0x76 SETUP_UTILITY
0x77 FW_BLOCK_SERVICE
0x78 USB_LEGACY_PLATFORM
0x79 GRAPHICS_CONSOLE
0x7A TERMINAL
0x7B DATA_HUB_STD_ERR
0x7C FAT
0x7D PARTITION
0x7E ENGLISH
0x7F FRENCH
0x80 HII_DATABASE
0x81 SETUP_BROWSER
0x82...

Chapter 4143
0x91 DXE_0x91 PXE_BC
0x92 PXE_DHCP4
0x93 EBC
0x94~0x9F RESERVED
0xA0 DXE_H2O_DEBUG_IO
0xA1 DXE_H2O_DEBUG_IO
0xA2 DXE_TPM_TCG
0xA3 DXE_TPM_PHYSICAL_PRESENCE
0xA4 DXE_OEM_SERVICE
0xA5 DXE_EVENT_LOG
0xA6 DXE_ SECURITY_HDD_PASSWORD_SERVICE
0xA7 DXE_LAN_ASF_INIT
0xA8 DXE_BUS_PCI_SERIAL
0xA9 DXE_LAN_IDER_CONTROLLER
0xAA DXE_LAN_AMT
0xAB DXE_ SECURITY_SYSTEM_PASSWORD_SERVICE
0xAC DXE_ SECURITY_ PASSWORD_CONSOLE
0xAD DXE_ DATA_HUB_RECORD_POLICY
0xAE DXE_TPM_DRIVER
0xAF RESERVED
0xB0 JAPANESE
0xB1...

144Chapter 4
Each SmmDriver entry point used in 80_PORT
* If the BIOS detects error 2C, 2E, or 30 (base 512K RAM error), it displays an additional word-bitmap (xxxx) 
indicating the address line or bits that failed. For example, 2C 0002 means address line 1 (bit one set) has 
failed. 2E 1020 means data bits 12 and 5 (bits 12 and 5 set) have failed in the lower 16 bits. Note that error 30 
cannot occur on 386SX systems because they have a 16 rather than 32-bit bus. The BIOS also sends the 
bitmap to the...

Chapter 5145
Jumper and Connector Locations
Top View
ItemDescription
JLVDS1 LCD Connector
JP14 Power/B Connector
JSPK1 Speaker(Left) Connector
JSPK2 Speaker(Right) Connector
JKB2 Internal Keyboard Connector
JTP1 Touch Pad Connector
U11 South Bridge
SW4 Touch pad (Left) Button
SW3 Touch pad (Right) Button
Chapter 5 

146Chapter 5
Bottom View
ITEMDESCRIPTION
PJP1 AC-IN Connector
JRJ45 RJ45 Connector
JCRT1 CRT Connector
JP12 Fan Connector
JUSB1 USB Connector
JUSB2 USB Connector
JMIC1 MIC-In Jack
JHP1 Head-Phone Jack
JSATA2 HDD Connector
U23 North Bridge
JCPU1 CPU Socket
JREAD1 Card Reader Socket
PJP3 Battery Board Connector
JDIMM2 Memory DIMM2 Connector
JDIMM1 Memory DIMM1 Connector
PJP2 ODD Board Connector
JMINI2 Wireless Card Connector 

Chapter 5147
Power Board
LS-4852P ODD Board
ITEMDESCRIPTION
SW1 TP Lock Button
SW2 ON/OFF Button
SW3 Wireless Button
LED1 ON/OFF LED
LED3 Media LED
LED4 Num LED
LED5 Wireless LED
LED6 Caps LED
LED7 TP Lock LED
ITEMDESCRIPTION
JP1 M/B Connector
JP2 HDD Connector
JP3 ODD Board Connector 

148Chapter 5
LS-4853P Battery Board
LS-4854P Lid Board
ITEMDESCRIPTION
PIP1 M/B Connector
PIP2 Battery Connector
ITEMDESCRIPTION
U1 Lid Switch 

Chapter 5149
Clearing Password Check and BIOS Recovery
This section provides you with the standard operating procedures of clearing password and BIOS recovery for 
eMachine HM70-MV. The machine provides one Hardware Open Gap on main board for clearing password 
check, and one Hotkey for enabling BIOS Recovery.
Clearing Password Check
Steps for Clearing BIOS Password Check
If users set BIOS Password (Supervisor Password and/or User Password) for a security reason, BIOS will ask 
the password during...

150Chapter 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...