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System Control Port A (Hex 0092)

Figure

2-30. System Control Port A (Hex 0092)

Bit

Function

7–4

Reserved

3

Security lock latch

2

Reserved (must be set to 0)

1

Alternate gate A20

0

Alternate hot reset

Bits 7–4

These bits are reserved.

Bit 3

This bit provides a security lock for the secured area of
RT/CMOS. If this bit is set to 1, the 8-byte power-on
password is locked by the software. After this bit is set
by POST, it can be cleared only by turning the system
off.

Bit 2

This bit is reserved.

Bit 1

This bit is used to enable the ‘address 20’ signal (

A20

)

when the microprocessor is in the real address mode. If
this bit is set to 0,

A20

cannot be used in real mode

addressing. This bit is set to 0 during a system reset.

Bit 0

This bit provides an alternative method of resetting the
system microprocessor. This alternative method
supports operating systems requiring faster operation
than that provided on the IBM Personal Computer AT.
Resetting the system microprocessor switches the
microprocessor from protected mode to real address
mode.

This bit is set to 0 by either a system reset or a write
operation. If a write operation changes this bit from 0 to
1, the ‘processor reset’ signal is pulsed after the reset
has occurred. While the reset is occurring, the latch
remains set so that POST can read this bit. If the bit is
set to 0, POST assumes that the system was just
powered on. If the bit is set to 1, POST assumes that
the microprocessor has been switched from protected
mode to real mode.

If bit 0 is used to reset the system microprocessor to the
real mode, use the following procedure:

1. Disable all maskable and nonmaskable interrupts.

2-30 System Board

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Содержание ThinkPad 770

Страница 1: ...05L1739 S05L 1739 00...

Страница 2: ...warranties in certain transactions therefore this statement may not apply to you This publication could include technical inaccuracies or typographical errors Changes are periodically made to the inf...

Страница 3: ...Supply Connector 1 11 Battery Pack 1 11 Section 2 System Board 2 1 Description 2 2 Microprocessor 2 2 Cache Memory Operation 2 2 Cacheable Address Space 2 3 Bus Adapter 2 3 Keyboard Mouse Connector 2...

Страница 4: ...5 Telephony Modem Function 3 6 Audio Subsystem 3 7 MIDI Port Function 3 7 Sound Blaster Support Function 3 7 Audio Port Specifications 3 8 Infrared IR Subsystem 3 9 IRQ Level and DMA Channel 3 9 Enhan...

Страница 5: ...e B 12 System Configuration Service B 22 Power Management Service B 29 Event Bit Definition B 34 Samples B 53 Function Declaration B 57 Installation Check B 58 BIOS Call B 62 Appendix C Notices C 1 Tr...

Страница 6: ...vi...

Страница 7: ...8 UltraBay II Connector Pin Assignments 2 13 2 9 Diskette Drive Read Write and Format Capabilities 2 15 2 10 System Memory Map 2 17 2 11 DIMM Adapter Card Memory Connector Pin Assignments 2 18 2 12 RT...

Страница 8: ...2 31 System Control Port B Hex 0061 Write 2 31 2 32 System Control Port B Hex 0061 Read 2 31 2 33 Error Codes 2 35 3 1 BIOS Video VGA Modes 3 3 3 2 Video BIOS Extended Modes Trident 9397 3 4 3 3 PCMCI...

Страница 9: ...he available system resources for the computer and docking stations Appendix B System Management API SMAPI BIOS Overview describes the system software interface built into the system called the System...

Страница 10: ...x Preface...

Страница 11: ...dress Map 1 5 Specifications 1 7 Performance Specifications 1 7 Physical Specifications 1 8 Electrical Specifications 1 9 Acoustical Readings 1 9 Power Supply 1 10 Voltages 1 10 Output Protection 1 11...

Страница 12: ...sh the foregoing computer model from other ThinkPad models by reading the system ID Interrupt 15H Function code AH 23H and AL 10H Returns AL 27H The system microprocessor contains an internal cache an...

Страница 13: ...imers 1 Channel 0 system timer Channel 1 refresh generation Channel 2 tone generator for speaker ROM subsystem 128 KB by 4 banks 1 KB equals 1024 bytes RAM subsystem 32 to 256 MB 1 MB equals 1 048 576...

Страница 14: ...rallel controller port 1 Programmable as parallel port 1 2 or 3 IEEE P1284 A compatible Supports bidirectional input and output Enhanced Parallel Port EPP compatible Extended Capabilities Port ECP com...

Страница 15: ...0092 System Control Port A 0096 Reserved 0098 System Flash ROM Control Register DCR 2282 00A0 00A1 Interrupt Controller slave 00B2 00B3 Power Management Register 00C0 00DF DMA Controller 4 7 00F0 00FF...

Страница 16: ...03EF IR Port 3 03F0 03F5 03F7 Diskette Drive Controller 03F6 03F7 Primary IDE Registers 03F8 03FF Serial Port 1 03F8 03FF IR Port 1 0530 0537 Audio WSS 1 0538 053F Audio Control Port 1 0604 060B Audio...

Страница 17: ...or 233 MHz L1 cache 64bit read write hit 1 CPUCLK L2 cache 64bit for not all models read hit back to back write hit back to back 90 ns 60 ns 90 ns 60 ns Memory 64bit see Note read page hit read raw m...

Страница 18: ...F System off 5 0 C to 43 0 C 41 F to 110 F Humidity System without diskette 8 to 95 System with diskette 8 to 80 Maximum altitude 3 048 m 10 000 ft in unpressurized conditions Heat output 56 W Acousti...

Страница 19: ...0 0 25 5 770 with SelectaDock III 4 60 4 30 37 5 34 0 31 0 28 0 Notes LWAd Is the declared sound power level for the random sample of machines LpAm Is the mean value of the A weighted sound pressure l...

Страница 20: ...rive Auxiliary devices Keyboard LCD panel PCMCIA cards DVD drive Voltages The power supply generates six different dc voltages VCC5M VCC3M VCC12 and VCCSW Figure 1 8 shows the maximum current for each...

Страница 21: ...tage Sequencing When power is turned on the output voltages reach their operational voltages within 2 seconds Power Supply Connector The following connector is used with the AC adapter The total power...

Страница 22: ...m ion Battery Pack Specifications Nominal Voltage 10 8 V dc Capacity average 4 5 ampere hours AH Protection Overcurrent protection Overvoltage protection Overdischarge protection Thermal protection 1...

Страница 23: ...16 ROM Subsystem 2 16 RAM Subsystem 2 16 System Memory Map 2 17 System Board Memory for the DIMM Connectors 2 18 RT CMOS RAM 2 19 RT CMOS Address and NMI Mask Register Hex 0070 2 20 RT CMOS Data Regis...

Страница 24: ...l Pentium microprocessor and the L2 external cache memory enable the microprocessor to read instructions and data much faster than if the microprocessor had to access system memory When an instruction...

Страница 25: ...external bus cycle is used to write the data to system memory If the address of the write operation was not in the cache memory but was in cacheable address space the data is read back into the cache...

Страница 26: ...mum High level output voltage 5 0 V dc minus pullup Minimum Low level output voltage 0 5 V dc Maximum High level input voltage 2 0 V dc Minimum Low level input voltage 0 8 V dc Maximum Connector The k...

Страница 27: ...gure 2 4 on page 2 6 shows the key numbers assigned to keys on the 85 key keyboard for countries other than the U S and Japan For scan codes assigned to each numbered key refer to the IBM Personal Sys...

Страница 28: ...Keyboard Keyboard ID The keyboard ID consists of 2 bytes hex 83AB the built in keyboard with the external numeric keypad or hex 84AB the built in keyboard only Interrupt 16H function code AH 0AH retu...

Страница 29: ...m 2 Hardware Interface Technical Reference 90 95 96 97 98 99 100 101 102 103 104 108 105 106 91 92 93 Figure 2 5 Key Numbers for the External Numeric Keypad Displayable Characters and Symbols For disp...

Страница 30: ...GND Ground 37 PDIOR O 8 PDD7 I O 38 GND Ground 9 PDD8 I O 39 PIORDY I 10 GND Ground 40 CSEL O 11 PDD6 I O 41 PDACK O 12 PDD9 I O 42 GND Ground 13 GND Ground 43 IRQ14HDD I 14 PDD5 I O 44 IOCS16 I 15 P...

Страница 31: ...d has the following pin assignments 1 240 120 121 60 180 181 61 Type Legend A Audio signal M PC Card signal C System control signal P PCI bus signal F Diskette drive signal R Reserved G Ground S Seria...

Страница 32: ...R 086 G GND 027 P PAR 087 P AD11 028 R Reserved 088 P AD13 029 R Reserved 089 R R S 030 R Reserved 090 R Reserved 031 R Reserved 091 R Reserved 032 P AD14 092 R Reserved 033 P AD12 093 P AD15 034 G GN...

Страница 33: ...D 204 F DIR 145 L D3 205 G GND 146 L D2 206 F MOTEN1 147 L D1 207 F DISKCHG 148 L D0 208 F INDEX 149 L AFD 209 F RDDATA 150 G GND 210 G GND 151 G GND 211 G GND 152 L ERR 212 L STB 153 F WRDATA 213 L I...

Страница 34: ...tor The removable diskette drive secondary hard disk drive DVD drive or CD ROM drive can be connected to the UltraBay II connector on the system board This connector has the following pin assignments...

Страница 35: ...I 15 STEP 0 16 GND GND 17 WRDATA O 18 GND GND 19 WREN O 20 MEDID1 I 21 TRACK0 I 22 DRATE0 O 23 WPROTECT I 24 RDDATA I 25 GND GND 26 SIDE1SEL O 27 UBAYID0 O 28 RSTDRV O 29 GND GND 30 DD7 I O 31 DD8 I...

Страница 36: ...HDD I 54 DMARQ I 55 GND GND 56 DIOW O 57 GND GND 58 DIOR O 59 GND GND 60 IORDY I 61 CSEL O 62 DMACK O 63 IRQ I 64 IOCS16 I 65 DA1 O 66 PDIAG I O 67 DA0 O 68 DA2 O 69 CS1 O 70 CS3 O 71 DASP I 72 MCS O...

Страница 37: ...ive for the ThinkPad computer Figure 2 9 Diskette Drive Read Write and Format Capabilities Diskette Type Format Size 720 KB 1 2 MB 1 44 MB 3 5 inch 1 0 MB Diskette RWF 3 5 inch 2 0 MB Diskette RWF RWF...

Страница 38: ...same address space and ROM is disabled RAM Subsystem The RAM subsystem on the system board starts at address hex 00000000 of the address space The RAM subsystem for the ThinkPad 770 is 64 bits wide T...

Страница 39: ...MB blocks of system board memory starting at or above the hex 100000 boundary Figure 2 10 System Memory Map Hex Address Range Function 00000000 to 0009FFFF 640 KB system board RAM 000A0000 to 000BFFFF...

Страница 40: ...71 72 73 74 D40 DQ9 DQ41 DQ10 DQ42 DQ11 DQ43 Vcc Vcc DQ12 DQ44 DQ13 DQ45 DQ14 DQ46 DQ15 DQ47 Vss Vss Reserved Reserved Reserved Reserved CK CKE Vcc Vcc RAS CAS WE RFU S0 RFU S1 RFU RFU RFU 75 76 77 7...

Страница 41: ...guration and other system information Figure 2 12 lists the RT CMOS RAM bytes and their addresses Figure 2 12 RT CMOS RAM Address Map Address Hex RT CMOS RAM Bytes 000 00D Real time clock 00E Diagnost...

Страница 42: ...S Address and NMI Mask Register Hex 0070 Bit Function 7 NMI mask 6 0 RT CMOS RAM address Bit 7 When this write only bit is set to 1 the NMI is masked disabled This bit is set to 1 by a power on reset...

Страница 43: ...the following 1 Write the RT CMOS RAM address to the RT CMOS address and NMI mask register hex 0070 2 Write the data to the RT CMOS data register hex 0071 3 Write the address hex 0F to the RT CMOS and...

Страница 44: ...ogram initializes status registers A and B when the time and date are set Interrupt 1AH is the BIOS interface to read and set the time and date it initializes the registers in the same way that the se...

Страница 45: ...this bit updates the cycle normally by advancing the count at a rate of one cycle per second If set to 1 it immediately ends any update cycle in progress and the program can initialize the 14 time byt...

Страница 46: ...to 0 Status Register C Hex 00C Figure 2 18 Status Register C Hex 00C Bit Function 7 Interrupt request flag 6 Periodic interrupt flag 5 Alarm interrupt flag 4 Update ended interrupt flag 3 0 Reserved N...

Страница 47: ...er drive C initialization status 2 Time status indicator 1 0 Reserved Bit 7 If set to 1 this bit indicates that the real time clock has lost power Bit 6 If set to 1 this bit indicates that the checksu...

Страница 48: ...3 0 These bits are reserved Hard Disk Drive Type Byte Hex 011 This byte defines the type of hard disk drive installed Hex 00 indicates that no hard disk drive is installed Figure 2 23 Hard Disk Type...

Страница 49: ...27 Equipment Byte Bit Description 7 6 Number of diskette drives 5 4 Display operating mode 3 2 Reserved 1 Coprocessor presence 0 Diskette drive 0 presence Bits 7 6 These bits indicate the number of i...

Страница 50: ...e low byte is hex 017 the high byte is hex 018 Reserved Bytes Hex 01D 02D These bytes are reserved Configuration Checksum Bytes Hex 02E and Hex 02F The configuration checksum bytes contain the checksu...

Страница 51: ...rupts The interrupt return IRET instruction restores the interrupt flag to the state it was in before the interrupt occurred A system reset causes a reset of the NMI The NMI requests from system board...

Страница 52: ...provides an alternative method of resetting the system microprocessor This alternative method supports operating systems requiring faster operation than that provided on the IBM Personal Computer AT...

Страница 53: ...tem Control Port B Hex 0061 Bit definitions for the write and read functions of this port are shown in the following figures Figure 2 31 System Control Port B Hex 0061 Write Bit Function 7 4 Reserved...

Страница 54: ...wer on password is installed the password bytes are locked and cannot be accessed by any program During power on password installation the password 1 to 7 characters is stored in the security space In...

Страница 55: ...perating system is the drive startup sequence If you are working with multiple operating systems you might want to change the drive startup sequence to load the operating system from the hard disk wit...

Страница 56: ...rs and status fields only The command and request registers and the rotate and mask functions are not supported The mode register is partially supported The NS16550 serial communications controller Th...

Страница 57: ...ad battery 163 Date and time are not set clock not updated 173 CMOS CRC error 174 Configuration error 175 Bad EEPROM CRC 1 177 Bad supervisor password checksum 178 EEPROM is not functional 179 NVRAM e...

Страница 58: ...or 2401 System board video error 8081 PCMCIA presence test failure PCMCIA revision number also checked 8082 PCMCIA register test failure 8601 System bus error 8042 mouse interface 8602 External mouse...

Страница 59: ...rt Function 3 7 Audio Port Specifications 3 8 Infrared IR Subsystem 3 9 IRQ Level and DMA Channel 3 9 Enhanced Video Subsystem 3 10 Video Port Specification 3 10 PCMCIA Subsystem 3 11 Pin Assignments...

Страница 60: ...thout any additional adapters Note Use of any video subsystem features not documented in this book can result in future incompatibility LCD Type VRAM Size Color Depth Resolution On the LCD On the Exte...

Страница 61: ...50 640 480 640 480 320 200 Max Pages 8 8 8 8 8 8 1 1 8 8 8 4 2 2 1 1 1 Box Size 8 8 8 14 8 16 8 8 8 14 8 16 8 8 8 8 8 14 8 16 8 8 8 8 8 14 8 14 8 16 8 16 8 8 Buffer Start Address B8000 B8000 B8000 B80...

Страница 62: ...o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o VESA Mode Number Hex 100 101 110 111 112 102 103 113 114 115 104 105 116 117 106 107...

Страница 63: ...rovides three system settings I O address IRQ level and DMA channel MIDI Port Function The MIDI port function provides one system setting Sound Blaster Support Function The Sound Blaster support funct...

Страница 64: ...I O Address IRQ Level DMA Channel 0220 0233 default 0240 0253 0260 0273 0280 0293 0388 038B synthesizer IRQ 5 default IRQ 7 IRQ 10 IRQ 11 DMA 0 DMA 1 default DMA 6 DMA 7 Serial Port COM1 I O 03F8 IRQ...

Страница 65: ...logic The AudioDrive provides the computer with the following audio features High quality audio 44 1 kHz MPC 2 16 bit audio General MIDI compatible 32 voice wave table synthesizer Sound Blaster suppor...

Страница 66: ...32 ohm maximum Maximum output level 2 4 V pp Output impedance 75 ohm Audio Input inch mini jack for microphone or line input Microphone gain 26 dB minimum 48 5 dB maximum Maximum input level Micropho...

Страница 67: ...el and DMA Channel The IR subsystem uses one IRQ level and two DMA channels for ThinkPad mode Generic mode and Sharp mode do not require DMA channels I O Address 03F8 03FF Serial port 1 default 02F8 0...

Страница 68: ...Video Port Specification S Video Jack In Out 4 pin mini DIN jack provided with attached special cable Color standard NTSC or PAL Y signal 1 V pp 75 ohm with negative composite sync C signal 0 286 V p...

Страница 69: ...is used as the PC card controller in the system unit The available interrupt levels are IRQ 3 4 5 7 9 10 11 14 and 15 The system unit resumes operation from suspend mode when it receives the RI_OUT s...

Страница 70: ...Ground Ground 2 D3 CAD0 3 D4 CAD1 4 D5 CAD3 5 D6 CAD5 6 D7 CAD7 7 CE1 CC BE0 8 A10 CAD9 9 OE CAD11 10 A11 CAD12 11 A9 CAD14 12 A8 CC BE1 13 A13 CPAR 14 A14 CPERR 15 WE CGNT 16 IRQ CINT 17 Vcc Vcc 18 V...

Страница 71: ...A18 Reserved 48 A19 CBLOCK 49 A20 CSTOP 50 A21 CDEVSEL 51 Vcc Vcc 52 Vpp Vpp 53 A22 CTRDY 54 A23 CFRAME 55 A24 CAD17 56 A25 CAD19 57 AS2 CVS2 58 RESET CRST 59 WAIT CSERR 60 INPACK CREQ 61 REG CC BE3 6...

Страница 72: ...sk connector an IDE device on the UltraBay is a primary master MIDI Joystick Port The MIDI joystick port consists of the following functions MIDI port in out Joystick port A standard game port connect...

Страница 73: ...3 None None Keyboard 1 0060 and 0064 None None Serial port Disabled Disabled None None 4 03F8 03FF 3 02F8 02FF 4 03E8 03EF 3 02E8 02EF Parallel port 7 03BC 03BE and 07BC 07BE None 0 1 3 or disabled 7...

Страница 74: ...isabled 0330 0332 0300 0302 0310 0313 or 0320 0323 None None Joystick port None 0201 None None For models with internal modems only ThinkPad modem 3 02F8 02FF None None 4 03F8 03FF 4 03E8 03EF 3 02E8...

Страница 75: ...064 None None Math coprocessor exception 13 None None None SCSI controller SelectaDock III 11 3 4 5 7 9 10 15 or disabled Automatically set by the system None None The IDE hard disk drive or IDE CD RO...

Страница 76: ...ThinkPad Configuration program When you enable ECP as the printer operating mode from the ThinkPad Configuration program you must select one value from the four selections including disabled The enha...

Страница 77: ...us B 18 Get Video Information B 19 Get Refresh Rate Capability B 20 System Configuration Service B 22 Get Display Device State B 22 Set Display Device State B 24 Get Pointing Device State B 25 Set Poi...

Страница 78: ...sume Condition B 47 Set System Resume Condition B 48 Get System Resume Timer B 49 Set System Resume Timer B 50 Request System Standby B 51 Request System Suspend B 51 Request System Hibernation B 52 R...

Страница 79: ...tion such as the system identifier system ID System Configuration The ThinkPad SMAPI BIOS provides system configuration control for such features as display device selection or resource configuration...

Страница 80: ...point 0C Word Real mode 16 bit code segment address 0E Word Reserved 2 10 Word 16 bit protected mode offset to entry point 12 Word 16 bit protected mode code segment base address 14 Double words 32 bi...

Страница 81: ...e support Bit 3 15 Reserved Real Mode Entry Point The entry point is specified in segment offset format Clients using Real V86 mode can use this area for the far call value 16 Bit or 32 Bit Protected...

Страница 82: ...s the stack data area directly with the selector when the BIOS is invoked Therefore the caller needs to define the same privilege level as the BIOS Parameter Structure The memory allocation for the in...

Страница 83: ...eld Field Offset in Hex Length Return Code 00 Byte Auxiliary Return Code 01 Byte Parameter 1 02 Word Parameter 2 04 Word Parameter 3 06 Word Parameter 4 08 Double word Parameter 5 0C Double word SMAPI...

Страница 84: ...FUNC DB SMBIN_PARM_1 DW SMBIN_PARM_2 DW SMBIN_PARM_3 DW SMBIN_PARM_4 DD SMBIN_PARM_5 DD SMB_INPARM ENDS Output Parameter Structure SMB_OUTPARM STRUC SMBOUT_RC DB SMBOUT_SUB_RC DB SMBOUT_PARM_1 DW SMBO...

Страница 85: ...WORD SMBIN_PARM_3 DWORD SMBIN_PARM_4 DWORD SMBIN_PARM_5 INPARM PINPARM Output Parameter Structure typedef struct BYTE SMBOUT_RC BYTE SMBOUT_SUB_RC WORD SMBOUT_PARM_1 WORD SMBOUT_PARM_2 WORD SMBOUT_PAR...

Страница 86: ...fset OutputParm push ax push ds mov ax offset InputParm push ax call dword ptr SmapiBios add sp 8 32 bit push ds mov eax offset OutputParm push eax push ds mov eax offset InputParm push eax call fword...

Страница 87: ...SMAPI function is not available 81 Invalid parameter 86 Function is not supported 9 System error 91 System is invalid 92 System is busy A Device error disk read error A1 Device is busy A2 Device is no...

Страница 88: ...d Parameter 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Return value format ASCII format 1 Binary format Parameter 1 System ID Parameter 2 Country Code...

Страница 89: ...rved Parameter 2 CPU ID Bits 15 8 Microprocessor type Bits 7 Microprocessor stepping level FFFFh Unknown Parameter 3 Clock Information Bits 15 8 CPU clock units MHz FEh CPU clock is over 254 MHz FFh U...

Страница 90: ...r status Auxiliary Return Code Reserved Parameter 1 Bits 15 8 Built in display device panel information 1 Monochrome STN LCD 1 Monochrome TFT LCD 2 Color STN LCD 3 Color TFT LCD FF Unknown Bits 7 Buil...

Страница 91: ...r 5 Reserved Output Field Return Code Error status Auxiliary Return Code Docking station status Bit Docking status Undock 1 Dock Bits 5 1 Reserved Bit 6 Security key status Lock position 1 Unlock posi...

Страница 92: ...e Error status Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Bits 15 8 UltraBay device information FDD 1 Serial device 2 TV tuner 1 IDE device 2 PCMCIA adapter 3 Battery 4 AC adapter...

Страница 93: ...eserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Return value format ASCII format 1 Binary format Parameter 1 Reserved...

Страница 94: ...ved Parameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Current Status Bit 8 LID Status Open 1 Close Bit 9 Keyboard status Close...

Страница 95: ...eserved Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Reserved Parameter 1 Video BIOS revision Paramet...

Страница 96: ...4x256 1 9 1 56x35 x16 1 A 1 56x473x16 1 C 1 56x48 x16 11 64 x48 x32K 111 64 x48 x64K 112 64 x48 x16M 113 8 x6 x32K 114 8 x6 x64K 115 8 x6 x16M 116 1 24x768x32K 117 1 24x768x64K 118 1 24x768x16M 119 12...

Страница 97: ...ability for specified mode Bit 6 Hz available Bit 1 72Hz available Bit 2 75Hz available Bit 3 43Hz I available Bit 4 56Hz available Bit 5 7 Hz available Bit 6 85Hz available Bit 7 48Hz I available Bit...

Страница 98: ...vice State Input Field Major Function Number 1 Minor Function Number Parameter 1 Request type h Current hardware 1h CMOS effective after reboot Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Re...

Страница 99: ...le 1 Enable Bit 1 External CRT status Disable 1 Enable Bit 2 TV status Disable 1 Enable Bits 6 3 Reserved Bit 7 Dual enable flag Disable 1 Enable Bits 7 Display function type h No TV out model 1h Not...

Страница 100: ...e Bit 7 Dual enable flag Disable 1 Enable Parameter 2 Reserved Parameter 3 Reserved Parameter 4 When parameter 2 bits 7 is 1h in return of Get Display Device State Bits 31 16 Reserved Bits 15 Display...

Страница 101: ...Pointing device current status Bits 1 8 Built in pointing device control Disable 1 Enable 1 Auto 11 Reserved Bit 9 External pointing device status Disable 1 Enable Bits 15 11 Reserved Bits 7 Pointing...

Страница 102: ...Reserved Bit 9 External pointing device status Disable 1 Enable Bits 15 11 Reserved Bits 7 Request type h Current hardware 1h CMOS effective after reboot Bits 7 2 Reserved Parameter 3 Reserved Parame...

Страница 103: ...arameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Bits 15 8 Capability Bit 8 Sticky Fn key support Bit 9 Sticky Lock Fn key supp...

Страница 104: ...t Status Disable 1 Sticky Fn key 3 Sticky Lock Fn key Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Re...

Страница 105: ...turn Code Error status Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Bits 15 8 Power management mode Battery operation h High performance mode 1h Auto power management mode 2h Manual...

Страница 106: ...gement mode Bits 7 Power management mode ac operation h High performance mode 1h Auto power management mode 2h Manual power management mode Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserv...

Страница 107: ...Get Timer Control Input Field Major Function Number 22 Minor Function Number 2 Parameter 1 Reserved Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved SMAPI BIOS B 31...

Страница 108: ...timer Not support 1 Support Bit 1 LCD off timer Not support 1 Support Bit 11 HDD off timer Not support 1 Support Bits 15 12 Reserved Bits 7 Timer control Bit System Hibernation suspend timer Disable 1...

Страница 109: ...timer Disable 1 Enable Bit 2 LCD off timer Disable 1 Enable Bit 3 HDD off timer Disable 1 Enable Bits 7 4 Reserved Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved...

Страница 110: ...Event Bit Definition Bits 2 Reserved Bit 3 Standby Bit 4 Suspend Bit 5 RediSafe Bit 6 Hibernation Bit 7 Power off Note If bits are duplicated the highest bit is available B 34 SMAPI BIOS...

Страница 111: ...eturn Code Error status Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Bits 15 8 Capability for event Bit 8 RediSafe is controlled by global conditions The RediSafe bit is ignored in...

Страница 112: ...event Bit Enable safe suspend if suspend is selected Disable 1 Enable Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Auxiliar...

Страница 113: ...arameter 1 Reserved Parameter 2 Hardware and software event definition Bits 15 8 Capability see page B 34 Bits 7 Condition see page B 34 Parameter 3 Reserved Parameter 4 Bits 31 16 Reserved Bits 15 Po...

Страница 114: ...4 Bits 31 16 Reserved Bits 15 Condition for power switch detection Bits 15 8 Capability see page B 34 Bits 7 Condition see page B 34 Parameter 5 Bits 31 16 Reserved Bits 15 Condition for LID close det...

Страница 115: ...d Bits 15 Standby timer expiration event definition Bits 15 8 Capability see page B 34 Bits 7 Condition see page B 34 Parameter 5 Bits 31 16 Reserved Bits 15 Hibernation timer during suspend mode expi...

Страница 116: ...served Bits 15 Condition for standby timer expired Bits 15 8 Capability see page B 34 Bits 7 Condition see page B 34 Parameter 5 Bits 31 16 Reserved Bits 15 Condition for hibernation timer during susp...

Страница 117: ...3 Reserved Parameter 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Reserved Parameter 1 Bits 15 8 System timer capability Bit 8 Timer cannot be specified...

Страница 118: ...nce mode F4h Auto power management mode Bits 7 System timer initial value units minutes h Disable system timer Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Outpu...

Страница 119: ...r 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Bits 15 8 Reserved Bits 7 Hibernation timer during suspend mode...

Страница 120: ...initial value units minutes h Disable hibernation timer during suspend mode Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Output Field Return Code Error status Au...

Страница 121: ...rror status Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Critical low battery condition detection event definition Bits 15 8 Capability see page B 34 Bits 7 Condition see page B 34...

Страница 122: ...see page B 34 Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Bits 31 8 Reserved Bits 7 Condition for out of environment condition detection Bits 7 Condition see page B 34 Parameter 5 Reserved...

Страница 123: ...ondition for resuming trigger from system suspend mode Bit Resume switch by hardware Bit 1 LID open detection Bit 2 RTC alarm resume timer detection Bit 3 RI from the serial device detection Bits 15 4...

Страница 124: ...1 LID open detection Bit 2 RTC alarm resume timer detection Bit 3 RI from the serial device detection Bits 15 4 Reserved Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Rese...

Страница 125: ...tus Auxiliary Return Code Reserved Parameter 1 Reserved Parameter 2 Reserved Parameter 3 Reserved Parameter 4 TOD of resume timer BCD format Bits 7 Seconds 59 Bits 15 8 Minutes 59 Bits 23 16 Hours 23...

Страница 126: ...es 59 Bits 23 16 Hours 23 Bits 31 24 Reserved Parameter 5 Date of resume timer BCD format Bits 7 Day 1 31 Bits 15 8 Month 1 12 Bits 23 16 Year 99 Bits 3 24 Reserved Bit 31 Resume date validation Valid...

Страница 127: ...served Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Request System Suspend Input Field Major Function Number 7 Minor Function Number 1 Parameter 1 Reserved Param...

Страница 128: ...1 Reserved Parameter 2 Reserved Parameter 3 Reserved Parameter 4 Reserved Parameter 5 Reserved Request System Off Input Field Major Function Number 7 Minor Function Number 3 Parameter 1 Reserved Para...

Страница 129: ...m SMBHDR_INFO DW 8 Information word SMBHDR_RSV1 DW A Reserve 1 SMBHDR_R_OFFSET DW C Real mode offset SMBHDR_R_SEGMENT DW E Real mode segment SMBHDR_RSV2 DW 1 Reserve 2 SMBHDR_P16_OFFSET DW 12 16 bit p...

Страница 130: ...MBIN_PARM_1 DW SMBIN_PARM_2 DW SMBIN_PARM_3 DW SMBIN_PARM_4 DD SMBIN_PARM_5 DD SMB_INPARM ENDS Output Parameter SMB_OUTPARM STRUC SMBOUT_RC DB SMBOUT_SUB_RC DB SMBOUT_PARM_1 DW SMBOUT_PARM_2 DW SMBOUT...

Страница 131: ...FO Information word WORD SMBHDR_RSV1 Reserve 1 WORD SMBHDR_R_OFFSET Real mode offset WORD SMBHDR_R_SEGMENT Real mode segment WORD SMBHDR_RSV2 Reserve 2 WORD SMBHDR_P16_OFFSET 16 bit Protect mode offse...

Страница 132: ...SMBIN_PARM_3 DWORD SMBIN_PARM_4 DWORD SMBIN_PARM_5 INPARM PINPARM Output Parameter typedef struct BYTE SMBOUT_RC BYTE SMBOUT_SUB_RC WORD SMBOUT_PARM_1 WORD SMBOUT_PARM_2 WORD SMBOUT_PARM_3 DWORD SMBOU...

Страница 133: ...Function Declaration C Language Smapi BIOS function typedef WORD far SMB FPINPARM FPOUTPARM SMAPI BIOS B 57...

Страница 134: ...ader CF 1 No Smapi BIOS FindSmapi Proc Near push eax push cx push si push ds mov ax BIOS_SEG F Segment mov ds ax mov bx Start point mov cx SMB_CAND_CNT Total check count mov eax BMS Target strings cmp...

Страница 135: ...xt pushf Save direction flag cld Clear it mov si bx xor ax ax movzx cx byte ptr ds bx SMBHDR_LEN lodsb add ah al loop b popf Restore Direction flags cmp ah 1 Checksum is OK cmc FindSmapiFin pop ds pop...

Страница 136: ...on BYTE SMBHDR_VER_VER Minor version BYTE SMBHDR_LEN Length BYTE SMBHDR_CHKSUM Checksum WORD SMBHDR_INFO Information word WORD SMBHDR_RSV1 Reserve 1 WORD SMBHDR_R_OFFSET Real mode offset WORD SMBHDR_R...

Страница 137: ...S MyPtr SMBHDR_SIG 2 M MyPtr SMBHDR_SIG 3 B MyPtr 2 Find the Signature if cnt x1 We cannot find it return FALSE else 3 Calculate Checksum for cnt cnt MyPtr SMBHDR_LEN cnt cksum BYTE MyPtr SMBHDR_SIG c...

Страница 138: ...rameter Field mov al SMB_GET_SYSID mov bx Func al push ds mov ax offset OutputParm push ax push ds mov ax offset InputParm push ax call _SmapiBios add sp 8 Get information from Output Parm or ax ax jn...

Страница 139: ...putParm mov al SMB_GET_SYSID mov ebx Func al push ds mov eax offset OutputParm push eax push ds mov eax offset InputParm push eax call _SmapiBios add sp 16 Get information from Output Parm or ax ax jn...

Страница 140: ...PARM MyOutput WORD Rc 1 if GetSmapiEntry SmapiEntry MyInput SMBIN_FUNC MyInput SMBIN_SUB_FUNC if SmapiEntry MyInput MyOutput No System ID is available else Rc MyOutput SMBOUT_PARM_1 else No Smapi BIOS...

Страница 141: ...nge any of the intellectual property rights of IBM may be used instead of the IBM product program or service The evaluation and verification of operation in conjunction with other products except thos...

Страница 142: ...onal Computer AT Personal System 2 PS 2 ThinkPad TrackPoint UltraBay Pentium MMX ProShare LANDesk and ActionMedia are trademarks or registered trademarks of Intel Corporation in the United States and...

Страница 143: ...RT CMOS RAM 2 28 connectors external bus 2 9 hard disk drive 2 8 keyboard 2 4 connectors continued mouse 2 4 PCMCIA 3 11 system board DIMM 2 18 UltraBay II 2 12 control ports system 2 30 2 31 crystal...

Страница 144: ...e connector 2 4 L LCD liquid crystal display 3 2 liquid crystal display LCD 3 2 lithium ion Li ion battery pack power supply 1 11 low and high base memory bytes RT CMOS RAM configuration 2 28 low and...

Страница 145: ...memory RAM 1 3 2 16 read only memory ROM 1 3 2 16 real mode switch 2 30 real time clock 2 19 real time clock bytes RT CMOS 2 22 refresh rate specifications 1 7 refresh request 2 32 register CD ROM dri...

Страница 146: ...t system off B 52 request system standby B 51 request system suspend B 51 SMAPI continued return codes B 11 set hibernation timer B 44 set system resume timer B 50 slave micro control unit B 17 system...

Страница 147: ...tem resources A 1 system timers 1 3 T temperature 1 8 TFT LCD thin film transistor liquid crystal display 3 2 thin film transistor liquid crystal display TFT LCD 3 2 time status indicator 2 25 timers...

Страница 148: ...IBM Part Number 05L1739 Printed in the United States of America...

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