; []===========================================================[] ; ; NOTICE: THIS PROGRAM BELONGS TO AWARD SOFTWARE INTERNATIONAL(R) ; INC. IT IS CONSIDERED A TRADE SECRET AND IS NOT TO BE ; DIVULGED OR USED BY PARTIES WHO HAVE NOT RECEIVED ; WRITTEN AUTHORIZATION FROM THE OWNER. ; ; []===========================================================[] ; ;---------------------------------------------------------------------------- ;Rev Date Name Description ;---------------------------------------------------------------------------- ;R27 03/10/99 GAR Add Com_Ir in system_flag ;R26 01/28/99 RCH Support "Processor Number CPU" for Penitum III series ; CPUs. Switch "PSN_CMOS" & "PSN_CMOS_BIT" are required. ; ;M01 09/02/98 RAY Adapt Preboot-Agent from code modified by US ; ; (01/29/98 TJM) Added MPC 2.0 (Formerly RPB) modifications ; ;R25 01/19/98 DRS Support run awdflash.exe during POST ;R24 10/28/97 KVN Fixed system hang when execute RMX386 (issue by Intel). ; The reason of system hang that is 40:0E7(may be is E0-E7) ; to be destroyed.So we remove 0E7 byte to safely area ;R23 10/23/97 RCH Reserve bit 6 of SYSTEM_FLAG for controlling L2 ECC ;R22 10/07/97 RCH Reserve bit 7 of SYSTEM_FLAG for booting from LAN ;R21 06/13/97 KVN Support HDD_write_protect function by setup option ;R20 06/06/97 PTY Add for RPB ;R18A 05/20/97 AVN Let MXIC 28F2000PPC reduce to alone in BIOS support. ;R19 05/01/97 KVN Add LS120 bootable even floppy A exist ;R18 04/11/97 AVN Link MX28F2000PPC EEPROM into 2M EEPROM Group ;R17 02/01/97 KVN Support IOMEGA ZIP-100 drive active ;R16 01/22/97 KVN Support dual LS120 drive active ;R15 11/01/96 KVN Added LS-120 support ;R14A 10/23/96 KVN Prevent reentry Int 13h from SCSI ISR to fixed NCR v4.0 ; booting hang ;R14 10/04/96 KVN Added boot HDD selectable function ;R13 09/17/96 KVN Add bootable CDROM no emulation support ;R12 09/03/96 RCH Get boot sequence from BIOS data area instead of ; reading CMOS value ;R11A 09/03/96 RCH Fixed error BIOS data usage for DMI, this will cause ; future usage of memory segment 40. ;R11 08/12/96 KVN Add new DMI spec 2.0 support ;R10 05/01/96 KVN Support any drive boot ;R09 03/12/96 KVN Added for ECS audio impression AP ;R08 12/04/95 KVN Fixed system hang after shutdown ;R07 12/04/95 KVN Fixed system hang if run AZTECH sound card on VIA mother ; board ;R06 11/22/95 RAY Not only Cirrus Logic PCI VGA should set to Mode 3 ; immediately after warm boot, some other PCI VGA also ; need to do the same thing. Thus we have to add ; another name to the flag: CIRRUS_PCI_VGA. ;R05 11/15/95 KVN Fixed GCD-R520B CD-ROM can't boot ;R04 11/03/95 KVN Added floppy 3 mode 1.2Mb format ;R03 09/06/95 KVN Added floppy write protect function ;R02 09/04/95 KVN Added floppy 3 mode auto switch ;R01 08/21/95 DNL Added "System_Flag" flag ;RIR 08/14/95 KVN Modify G_RAM data allocate for S3-764 PCI VGA Windows ; drivers use 40:CCh & CFh area and initial revision, ; save old G_RAM.INC become G_RAM.OLD ; +-----------------------+ ; | | ; | 386 BIOS DATA AREA | ; | | ; +-----------------------+ ; INCLUDE BIOS.CFG COMM_PORT_ADDRS DW 4 DUP(?) ;40:00 PRNTR_PORT_ADDRS DW 3 DUP(?) ;40:08 EXT_SEGMENT DW ? ;40:0E HARDWARE DW 1 DUP(?) ;40:10 INIT_FLG DB 1 DUP(?) ;40:12 SIZE_SYSRAM DW 1 DUP(?) ;40:13 INIT_ERR_FLG DW 1 DUP(?) ;40:15 SHFT_STAT DB 1 DUP(?) ;40:17 KBD_FLG1 DB 1 DUP(?) ;40:18 ALT_INPUT DB 1 DUP(?) ;40:19 PTR_KBD_BUF_HD DW 1 DUP(?) ;40:1A ; POINTERS FOR BUF_FOR_KBD PTR_KBD_BUF_TL DW 1 DUP(?) ;40:1C BUF_FOR_KBD DW 16 DUP(?) ;40:1E ; TYPE AHEAD BUFFER NEED_RECAL DB 1 DUP(?) ;40:3E ; DRIVE RECALIBRATION FLAG MOTOR_ON_IND DB 1 DUP(?) ;40:3F MOTOR_OFF_WAIT DB 1 DUP(?) ;40:40 FD_OP_RESULT DB 1 DUP(?) ;40:41 ; FLOPPY DISK STATUS FDC_RET_CODES LABEL BYTE ;40:42 ; FLOPPY DISK RETURN CODES HDC_CMD DB 6 DUP(?) ;40:42 ; HARD DISK COMMAND BLOCK FDC_RET_END DB 1 DUP(?) ;40:48 ; MARKER ONLY LENGTH 7 BLOCK CON_MODE DB 1 DUP(?) ;40:49 ; CURRENT MODE CON_COLS DW 1 DUP(?) ;40:4A ; # OF COLUMNS ON SCREEN CON_LEN DW 1 DUP(?) ;40:4C ; LENGTH OF SCREEN CON_STR DW 1 DUP(?) ;40:4E ; BASE ADDRESS OF SCREEN CUR_POS DW 8 DUP(?) ;40:50 ; CURSOR POSITION FOR 8 PAGES CURSOR_MODE DW 1 DUP(?) ;40:60 ; CURSOR MODE SETTING ACT_PAGE DB 1 DUP(?) ;40:62 ; PAGE BEING DISPLAYED CARD_ADDR DW 1 DUP(?) ;40:63 ; BASE ADDRESS OF DISPLAY CARD CON_MODE_SET DB 1 DUP(?) ;40:65 CON_PALETTE DB 1 DUP(?) ;40:66 ROM_MODULE_OFFSET DW 1 DUP(?) ;40:67 ROM_MODULE_SEG DW 1 DUP(?) ;40:69 INT_OCCUR_FLG DB 1 DUP(?) ;40:6B LOW_8254_CNT DW 1 DUP(?) ;40:6C HI_8254_CNT DW 1 DUP(?) ;40:6E OVRFLW_8254 DB 1 DUP(?) ;40:70 BIOS_BRK DB 1 DUP(?) ;40:71 ; AKBRD USER_REBOOT DW 1 DUP(?) ;40:72 ; RESET_FLG change in atorgs DISK_STAT DB 1 DUP(?) ;40:74 ; HARD DISK STATUS NUMHDSKS DB 1 DUP(?) ;40:75 HDC_CNTL DB 1 DUP(?) ;40:76 ; HARD DISK CONTROL BYTE DB 1 DUP(?) ;40:77 PARL_PORT_TO_CNT DW 2 DUP(?) ;40:78 ; added from orgs COMM_PORT_TO_CNT DW 2 DUP(?) ;40:7C KBD_BUF_LOCN DW 1 DUP(?) ;40:80 KBD_BUFEND_LOCN DW 1 DUP(?) ;40:82 CON_LLINE LABEL BYTE ;40:84 ; last row of video screen. CON_ROWS DB 7 DUP(?) ;40:84 XFER_INFO LABEL BYTE ;40:8B MOST_RECENT_RATE DB 1 DUP(?) ;40:8B HDC_STAT_RES DB 1 DUP(?) ;40:8C ; HARD DISK STATUS RESULTS HDC_ERR_RES DB 1 DUP(?) ;40:8D ; HARD DISK ERROR RESULTS HDC_INT DB 1 DUP(?) ;40:8E ; HARD DISK INTERRUPT DCAPABILITY DB 1 DUP(?) ;40:8F CURRENT_MEDIA DB 2 DUP (?) ;40:90 DB 2 DUP (?) ;40:92 CURCYL DB 2 DUP(?) ;40:94 ; FLOPPY CURRENT CYLINDER KB_FLAG_3 DB 1 DUP(?) ;40:96 ; NEW 101 KEYBOARD FLAG KB_FLAG_2 LABEL BYTE ;40:97 ; NEW 101 OVERLAY LED_STAT DB 1 DUP(?) ;40:97 REQUESTER_FLG_OFFSET DW 1 DUP(?) ;40:98 REQUESTER_SEG DW 1 DUP(?) ;40:9A LOW_NUM_MSECS DW 1 DUP(?) ;40:9C HI_NUM_MSECS DW 1 DUP(?) ;40:9E WAIT_IN_USE DB 1 DUP(?) ;40:A0 TEMP_BP DW 1 DUP(?) ;40:A1 ; SAVE POST BP DB 9 DUP(?) ;40:A3 ; A3,A4,A5,A6,A7,A8,A9,AA,AB ;R11FDD_VERIFY_CMD_FLAG DB 1 DUP(0) ;40:AC 2.88MB drive verify command flag FDD_VERIFY_CMD_FLAG DB 1 DUP(?) ;R11 40:AC 2.88MB drive verify command flag ;R04 ;bit 7 = 1 IDE block mode enabled ;R04Floppy_3_mode EQU 01000000b ;bit 6 = 1 Floppy 3 mode support ;R02 FloppyB_3_mode EQU 10000000b ;bit 7 = 1 Floppy B 3-mode support ;R04 FloppyA_3_mode EQU 01000000b ;bit 6 = 1 Floppy A 3-mode support ;R04 SWAP_DRIVE EQU 00100000b ;bit 5 = swap A,B drive. ;bit 4 = 1 fast gate A20 FDD_A_3_mode_detect EQU 00001000b ;bit 3 = 1 Floppy drive A 3 mode detected ;R02 FDD_B_3_mode_detect EQU 00000100b ;bit 2 = 1 Floppy drive B 3 mode detected ;R02 ;bit 1 = 1 drive already verify standby mode. ;bit 0 = 0 turbo switch input disabled ; 1 turbo switch input enabled ;R11 SECTOR_PER_BLOCK_0 DB 1 dup(0) ;40:AD drive 0 sectors number per block for read/write multiple mode ;R11 SECTOR_PER_BLOCK_1 DB 1 dup(0) ;40:AE drive 1 sectors number per block for read/write multiple mode ;R11 SECTOR_PER_BLOCK_2 DB 1 dup(0) ;40:AF drive 2 sectors number per block for read/write multiple mode ;R11 SECTOR_PER_BLOCK_3 DB 1 dup(0) ;40:B0 drive 3 sectors number per block for read/write multiple mode ;R11 start SECTOR_PER_BLOCK_0 DB 1 dup(?) ;40:AD drive 0 sectors number per block for read/write multiple mode SECTOR_PER_BLOCK_1 DB 1 dup(?) ;40:AE drive 1 sectors number per block for read/write multiple mode SECTOR_PER_BLOCK_2 DB 1 dup(?) ;40:AF drive 2 sectors number per block for read/write multiple mode SECTOR_PER_BLOCK_3 DB 1 dup(?) ;40:B0 drive 3 sectors number per block for read/write multiple mode ;R11 end Turbo_Pin_Status db 1 dup (?) ;40:B1 Turbo_Pin_Interval db 1 dup (?) ;40:B2 tempary counter for int8h HDD_MODE_FLAG DB 1 DUP(?) ;40:B3 bit 0-1 Drive 0 mode ;bit 2-3 Drive 1 mode ;bit 4-5 Drive 2 mode ;bit 6-7 Drive 3 mode ;00 : CHS mode ;01 : LBA mode ;10 : LARGE mode ;11 : reserve CPU_TYPE_FLAG db 1 DUP(?) ;40:B4 CPU type ;R24CPU_CLOCK db 1 DUP(?) ;40:B5 CPU clock ;R24 ;bit 7 - 4 cpu clock ;R24 ;bit 1 - 0 00 single clock mode ;R24 ; 01 double clock mode ;R24 ; 10 triple clock mode ;R24 start HDD_Drive_Port DB 1 dup (?) ;40:B5 ;bit 0 : Drive 0 scheme (0=master / 1=slave) ;bit 1 : Drive 0 channel (0=channel-0 / 1=channel-1) ;bit 2 : Drive 1 scheme (0=master / 1=slave) ;bit 3 : Drive 1 channel (0=channel-0 / 1=channel-1) ;bit 4 : Drive 2 scheme (0=master / 1=slave) ;bit 5 : Drive 2 channel (0=channel-0 / 1=channel-1) ;bit 6 : Drive 3 scheme (0=master / 1=slave) ;bit 7 : Drive 3 channel (0=channel-0 / 1=channel-1) ;R24 end POST_FLAG db 1 DUP(?) ;40:B6 bit 0 = 1 : Insert key pressed ;bit 1 = 1 : CTRL+ALT+ESC pressed ;R10 DRIVE1_ABSENT EQU 20H ;bit 5 = 1 : Drive 1 is absent IDE_CH0_32BIT_MODE EQU 40H ;bit 6 = 1 : IDE channel 0 32bit transfer enable IDE_CH1_32BIT_MODE EQU 10H ;bit 4 = 1 : IDE channel 1 32bit transfer enable ;bit 7 = 1 : Virus protect enable Fdd_Wt_Protect_Status EQU 8 ;bit 3 = 1 : FDD write protect ;R03 IDE_Block_Mode equ 00000100b ;bit 2 = 1 IDE block mode enabled ;R04 HDD_Wt_Protect EQU 20H ;R21 bit 5 = 1 : Hdd write protect SP_MESS_PTR DW 1 DUP (?) ;40:B7 SILENT POST MESSAGE POINTER sound_volume equ USER_DEF_BYTE ;R09 USER_DEF_BYTE DB 1 DUP (?) ;40:B9 for user special define ;R01 db 7 dup (?) ;40:BA-C0 ;R01 - start SYSTEM_FLAG DB 1 DUP (?) ;40:BA ;R06 CIRRUS_PCI_VGA EQU 01h ;bit 0 = 1 : Cirrus PCI VGA exist VGA_NEED_SET_MODE3 EQU 01h ;R06 ;should set mode 3 when warm boot Cyrix_CPU EQU 02h ;R07 Bit 1 = 1 indicate current is Cyrix CPU Int_Cache_Status EQU 04h ;R08 Bit 2 = 1 indicate internal cache to be Enabled BOOT_LAN EQU 80H ;R22 flag for boot from LAN L2ECC_OFF EQU 40H ;R23 P_II L2 ECC flag PSN_OFF EQU 20H ;R26 P_III CPU serial No. COM2_IR EQU 10h ;R27 com2 IR of NS serial db 6 dup (?) ;40:BB-C0 ;R01 - end ;R11 CDROM_ALLOCATE DB 1 dup(0) ;40:C1 CDROM_ALLOCATE DB 1 dup(?) ;R11 ;bit 0-1 CDROM Allocate posi. ; 0 - CDROM at Primary Master ; 1 - CDROM at Primary Slave ; 2 - CDROM at Secondany Master ; 3 - CDROM at Secondany Slave ;bit 2-3 Emulate Drive value ; 0 - None CDROM ; 1 - CDROM Emulate Drive A ; 2 - CDROM Emulate Drive C ; 3 - CDROM No Emulation ;R13 Special_CDROM_Bit EQU 00010000b ;bit 4 special CD-ROM [get_byte_count] ;R05 Enable_SCSI_Boot EQU 00100000b ;bit 5 = 1 from SCSI HDD boot ;R14 Call_SCSI_Subroutine EQU 01000000b ;bit 6 = 1 call original SCSI ISR ;R14A Change_Floppy_Number EQU 10000000b ;R19 bit 7 = 1 switch floppy ;R11 CDROM_EMUL_START_SECTOR DD 1 dup(0) ;40:C2 ;R11 CDROM_EMUL_HEAD DB 1 dup(0) ;40:C6 ;R11 CDROM_EMUL_CYL_SEC DW 1 dup(0) ;40:C7 ;R11 start CDROM_EMUL_START_SECTOR DD 1 dup(?) ;40:C2 CDROM_EMUL_HEAD DB 1 dup(?) ;40:C6 CDROM_EMUL_CYL_SEC DW 1 dup(?) ;40:C7 ;R11 end Cyrix_C3_Reg DB 1 DUP(?) ;40:C9 HDD_FIFO_FLAG DB 1 DUP(?) ;40:CA Cyrix_C1_Reg DB 1 DUP(?) ;40:CB ;!!! Don't use 40:CC-CF for S3-764 PCI VGA Windows driver db 4 dup (?) ;40:CC - 40:CF !!! don't use !!! ;RIR ;!!! Don't use 40:D0-D7 for Adaptec SCSI card db 8 dup (?) ;40:D0 - 40:D7 !!! don't use !!! BOOT_SECTOR_ADDR DW 2 DUP(?) ;40:D8 BASE ADDRESS OF BOOT SECTOR AND PARTITION TABLE BOOT_SECTOR_BUFFER DW 2 DUP(?) ;40:DC offset 0 head & driver ;offset 2 cylinders & sector Non_Eng_Addr dw 1 dup(?) ;40:E0 Non_Eng_ASC db 1 dup(?) ;40:E2 Cyrix_C2_Reg db 1 dup(?) ;40:E3 PMRAM_LOC dw 1 dup(?) ;40:E4 mute_flag equ USER_DEF_BYTE1 ;R09 USER_DEF_BYTE1 DB 1 DUP (?) ;R09 40:E6 for user special define ;R10 start ;R11 HDD_Drive_Port DB 1 dup (0) ;40:E7 ;R24HDD_Drive_Port DB 1 dup (?) ;R11 ;R24 ;bit 0 : Drive 0 scheme (0=master / 1=slave) ;R24 ;bit 1 : Drive 0 channel (0=channel-0 / 1=channel-1) ;R24 ;bit 2 : Drive 1 scheme (0=master / 1=slave) ;R24 ;bit 3 : Drive 1 channel (0=channel-0 / 1=channel-1) ;R24 ;bit 4 : Drive 2 scheme (0=master / 1=slave) ;R24 ;bit 5 : Drive 2 channel (0=channel-0 / 1=channel-1) ;R24 ;bit 6 : Drive 3 scheme (0=master / 1=slave) ;R24 ;bit 7 : Drive 3 channel (0=channel-0 / 1=channel-1) ;R24 start CPU_CLOCK db 1 DUP(?) ;40:E7 CPU clock ;bit 7 - 4 cpu clock ;bit 1 - 0 00 single clock mode ; 01 double clock mode ; 10 triple clock mode ;R24 end ;R10 end DMI_STATE db 1 dup (?) ;status for DMI ;R11A BootSel db 1 dup (?) ;boot selection ;R12 ;R15 start ATAPI_Byte db 1 dup (?) ;40:EA bit 0-1 Floptical drive 0 scheme ; 00 - Floptical drive on 0 Primary Master ; 01 - Floptical drive on 0 Primary Slave ; 10 - Floptical drive on 0 Secondany Master ; 11 - Floptical drive on 0 Secondany Slave ;bit 2 = Floptical drive exist or not ;R16bit 3 = Floptical drive 0 emulate number (A/B = 0/1) ;R16 start ; bit 4-5 Floptical drive 1 scheme ; 00 - none any drive ; 01 - Floptical drive 1 on Primary Slave ; 10 - Floptical drive 1 on Secondany Master ; 11 - Floptical drive 1 on Secondany Slave ;R17 ;bit 6 = Floptical drive 1 emulate number (A/B = 0/1) ;R17 start ;bit 6 = 0 - drive 0 is LS-120 ; = 1 - drive 0 is ZIP-100 ;bit 7 = 0 - drive 1 is LS120 ;bit 7 = 1 - drive 1 is ZIP-100 ;R17 end Floptical0_EMUL_CYL_SEC dw ? ;40:EB Floptical0_EMUL_HEAD db ? ;40:ED Floptical0_Medium_Type db ? ;40:EE Floptical1_EMUL_CYL_SEC dw ? ;40:EF Floptical1_EMUL_HEAD db ? ;40:F1 Floptical1_Medium_Type db ? ;40:F2 ;R16 end ;R16 ;bit 4-7 ATAPI INTRQ support or not ;R16 ;bit 4 = indicate primary master ;R16 ;bit 5 = indicate primary slave ;R16 ;bit 6 = indicate secondary master ;R16 ;bit 7 = indicate secondary slave ;R16Floptical_EMUL_CYL_SEC dw ? ;40:EB ;R16Floptical_EMUL_HEAD db ? ;40:ED ;R16Floptical_Medium_Type db ? ;40:EE ;R15 end RPB_BIOS_DATA_BASE DB 0Ch dup (?) ;M01 ; Equates for HARDWARE NO_OF_FLOPPY EQU 11000000b ; number of floppies installed (1-2) DISPLAY_TYPE EQU 00110000b ; 0 = EGA/VGA, 1 = CGA 40 ; 2 = CGA 80, 3 = monochrome COPRO_INSTALL EQU 00000010b ; 1 = 287/387 installed FLOPPY_INSTALL EQU 00000001b ; 1 = 1+ floppies installed. DT_CGA40 EQU 00010000b ; DISPLAY TYPE: CGA 40 DT_CGA80 EQU 00100000b ; DISPLAY TYPE: CGA 80 DT_MONO EQU 00110000b ; DISPLAY TYPE: MONO ; Equates for INIT_FLG HOT_KEY_DOWN EQU 00000001b ; 1 = Hot key (Fn) has been pressed ; Equates for INIT_ERR_FLG IEF_SPD EQU 10000000b ; 1 = Set speed up. IEF_K8242 EQU 01000000b ; 1 = 8242 installed ;R18A FLASH_IN_POST EQU 00010000b ; R18 1 = Flash in POST IEF_AWDFLASH_OK EQU 00010000b ;R25 IEF_IN_POST EQU 00001000b ; 1 = in POST, after memory test IEF_SETUP_OK EQU 00000100b ; 1 = OK to invoke Setup IEF_ERROR EQU 00000010b ; 1 = Checksum error in Award CMOS bytes IEF_TO_ENTER_SETUP EQU 00000001b ; 1 = to enter setup ; Equates for USER_REBOOT CTRL_ALT_DEL EQU 1234h ; Equates for SHFT_STAT INS_LK EQU 80H ; insert toggled CAPS_LK EQU 40H ; caps lock toggled NUM_LK EQU 20H ; num lock toggled SCRL_LK EQU 10H ; scroll lock toggled ALT EQU 08H ; alt key pressed CTRL EQU 04H ; ctrl key pressed LT_SHFT EQU 02H ; left shift pressed RT_SHFT EQU 01H ; right shift pressed ; Equates for KB_FLAG_1 LEFT_CTRL EQU 1 ; left ctrl key depressed - new 101 keyboard LEFT_ALT EQU 2 ; left alt key depressed - new 101 keyboard SYS_SHIFT EQU 4 ; system key depressed HOLD EQU 8 ; ctrl num lock / pause toggled ; Equates for KB_FLAG_2 KB_ERR EQU 80H ; keyboard error flag - not used LED_UPDATE EQU 40H ; led update in progress - not used RESEND_RECV EQU 20H ; resend received ACK_RECV EQU 10H ; acknowledgement received ; EQU 08H ; reserved (must be 0) CAPS_LED EQU 04H ; caps lock led NUM_LED EQU 02H ; num lock led SCROLL_LED EQU 01H ; scoll lock led ; Equates for KB_FLAG_3 LAST_E1 EQU 01H ; last character was an 0E1H (pause key) LAST_E0 EQU 02H ; last character was an 0E0H RIGHT_CTRL EQU 04H ; right ctrl key pressed RIGHT_ALT EQU 08H ; right alt key pressed ALT_GRAPH EQU 08H ; alt graphics key is pressed (foreign keyboards) E101_KEY EQU 10H ; 101 key keyboard is being used FORCE_NUM EQU 20H ; set num lock if 101 key (set by read_id routine) LAST_AB EQU 40H ; last character was an 0ABH (1st id byte) READ_ID EQU 80H ; we are doing a read id command ;R11A ;R11 start ;R11A ifdef DMI_ENABLED ;R11A DMI_STATE EQU 0E8h ; DMI Post state variable ;R11A endif ; DMI_ENABLED ;R11A ;R11 end ;M01 ;R20 start ;M01 ifdef RPB_ENABLED ; RXX ;M01 RPB_VIDEO_SNOOP DB ? ; Snoop video and send changes to remote ;M01 RPB_BIOS_DATA_BASE DB 15h dup (?) ; RPB Support ;M01 endif ; RPB_ENABLED ;M01 ;R20 end