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setup.spc
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1990-01-05
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Specification of ACER Setup Routine
------------------------------------
Description:
This routine is a utility in ROM BIOS. It sets up the system
configuration. This routine is called by INT 9h when user press
Ctrl-Alt-Esc key at the same time.
The main menu of the setup service routine includes three items:
Power on password, Hard disk physical format and Set up system
configuration.
A.
The first item sets up the user password when the user has no
password. Once the password has been set up, this function must
tell the user that he can't update password through this
item and he can set the new or clear old password during
power-on time only.
NOTE: Reference CMOS data 3ch-3fh
B.
The second item performs hard disk physical formatting.
The user must input bad cylinder, head, and interleave
number before doing physical formatting.
C.
The third item sets up the system configuration and
the second item physically formats the hard disk.
System configuration setup items are seperated into two screen:
one for common and the other for special items for each system.
The first screen of the system configuration includes the following
items:
1. Date
2. Time
3. Diskette type and No.
4. Hard disk type and No.
5. Base and extended memory size
6. Primary display
7. Coprocesser status
8. CPU speed/cache
Function:
1. DATE :
This item sets the system date which includes the day, month and
year. The format of date on screen is mm/dd/yy.
NOTE: Reference CMOS data 07h - 09h
2. TIME :
This item sets the system time which includes hour, minute and
second. The format of date on screen is hr/min/sec.
NOTE: Reference CMOS data 00h,02h,04h
3. DISKETTE TYPE AND No.
This item supports the set diskette number (driver A and B) and
diskette type (360K, 720K, 1.2Mb and 1.44Mb).
NOTE: Reference CMOS data 10h
4. HARD DISK TYPE AND No.
This item supports the set hard disk number (driver C and D) and
hard disk type. The user can select type 255 to define his own
hard disk cylinder, sector, head, ship landing zone and pre_com.
NOTE: Reference CMOS data 12h,19h,1ah
user define type 1eh - 2dh
5. BASE AND EXTENDED MEMORY SIZE
These two items comprise the system memory map: base memory
size and extended memory above 1M. This item displays the
memory size only.
NOTE: Reference CMOS data 15h - 18h
6. PRIMARY DISPLAY
This item shows which primary display type is attached and checked
during POST routine. Do not allow the user to select this display
type.
NOTE: Reference CMOS data 14h bit 5,4
7. COPROCESSER STATUS
This item shows the presence or absence of a coprocesser.
NOTE: Reference CMOS data 14h bit 1
8. CPU SPEED/CACHE
This item selects the CPU speed and cache.
The speed value depends on each system. This function has three
options: 1. high and low speed only (for 910, 915)
2. multiscale speed (for 1100/20/16)
3. multiscale speed and cache (for 1100/25/20c/33)
NOTE: Reference CMOS data 39h bit 7-4
The second screen of the system configuration contains some special
items for each system. Each item is described below:
1. Shadow RAM (system and video)
2. Printer port Status
3. COM port Status
4. WDD/FDD write protection
5. COM1/Console Status
6. EMS Status
7. Power Saving
8. MODEM Status
Function:
1. SHADOW RAM BIOS
This item selects the BIOS as shadow ram. The BIOS includes
system BIOS and video BIOS.
NOTE: Reference CMOS data 39h bit 1,0
2. PRINTER PORT
This item enables/disables the printer port and also assigns
printer port. The assigned printer port can be 3BCh, 378h, or
278h.
NOTE: Reference CMOS data 37h bit 1,0
3. COM PORT
If an add-on COM port exists, then POST routine disables the
built-in COM port. This item displays built-in COM port status.
NOTE: Reference CMOS data 37h bit 3,2
4. WDD AND FDD WRITE PROTECT
User uses this item to select whether WDD and FDD are write
protected or not to prevent VIRUS intrusion.
NOTE: Reference CMOS data 39h bit 3,2
5. COM1/CONSOLE
If the system does not have any display, user can select COM1 port
as the display, COM1 port information will be set before the
system operates (i.e, baud rate, parity, data bit and stop bits).
NOTE: Reference CMOS data 34h
6. EMS STATUS
This item enables/disables the EMS, and for NEAT system lets the
user set EMS size.
NOTE: Reference CMOS data 37h bit 7-4
7. POWER SAVING
This item is supported for the laptop system only. There are LCD
display power saving, hard disk power saving and system power
saving. Set the LCD power auto inactive time in the range of 1-63
min. Set hard disk power auto inactive time in the range of 1-18.
Set system power auto inactive time in the range of 1-23 min.
NOTE: Reference CMOS data 1bh-1dh
8. MODEM STATUS
This item is supported for the laptop system only. The user can
select the MODEM power on or off.
NOTE: Reference CMOS data 35h bit 0
Key definition:
up and down arrow key -- to select main item
right and left arrow key -- to select subitem
pgup and pgdn key -- to select another page
ESC key -- exit setup routine
F1 key -- show help message
NOTE:
1. User should use right and left arrow key to select optional
subitem. Subitem should not be keyed in.
2. When user presses the 'ESC' key to confirm his modification,
CMOS is not updated until the user confirms his modification.