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QL 4001
Chapter 4 - BIOS Setup
BIOS Setup
Modifying the Configuration
The QL 4001 has an American Megatrends, Inc. (AMI) system BIOS setup and hard disk setup embedded in EPROM on the board. This BIOS has been pre-configured specifically for the QL 4001. It is recommended that no changes be made to the BIOS setup configuration except to add disk drive support.
Changes to the BIOS setup configuration are stored in CMOS memory that is not battery powered. Therefore the QL 4001 BIOS will return to its pre-configured state upon power failure. However, special disk drive support has been incorporated to preserve the disk drive configuration through loss of power.
A monitor and keyboard must be directly connected to the QL 4001 to modify the BIOS configuration. Boot the QL 4001 and press <DEL> as instructed on the screen. This invokes the BIOS setup utility. Once in setup, select:
STANDARD CMOS SETUP
by pressing <ENTER>.
The hard disk configuration will be displayed. Use the arrow keys to position the cursor on the Hard disk C: type field. Use the <PgUp> and <PgDn> keys to select the desired disk drive type. Table 4-1 lists these options.
After configuring the hard disk drive, press <ESC>. Select:
WRITE TO CMOS AND EXIT
from the menu. The QL 4001 will reboot with the new BIOS configuration.
* A QL 4001 with a hard disk drive configured but not attached will experience a significant increase in boot time due to disk access timeouts.
Table 4 - 1
Hard Disk Configuration
Type Cyls Heads WPcom Ctrl LZone Secs Size
Byte
1 306 4 128 0 305 17 10 MB
2 615 4 300 0 615 17 20 MB
3 615 6 300 0 615 17 31 MB
4 940 8 512 0 940 17 62 MB
5 940 6 512 0 940 17 47 MB
6 615 4 65535 0 615 17 20 MB
7 462 8 256 0 511 17 31 MB
8 733 5 65535 0 733 17 30 MB
9 900 15 65535 8 901 17 112 MB
10 820 3 65535 0 820 17 20 MB
11 855 5 65535 0 855 17 35 MB
12 855 7 65535 0 855 17 50 MB
13 306 8 128 0 319 17 20 MB
14 733 7 65535 0 733 17 43 MB
15 0 0 0 0 0 0 0 MB
16 612 4 0 0 663 17 20 MB
17 977 5 300 0 977 17 41 MB
18 977 7 65535 0 977 17 57 MB
19 1024 7 512 0 1023 17 60 MB
20 733 5 300 0 732 17 30 MB
21 733 7 300 0 732 17 43 MB
22 733 5 300 0 733 17 30 MB
23 306 4 0 0 336 17 10 MB
24 925 7 0 0 925 17 54 MB
25 925 9 65535 8 925 17 69 MB
26 754 7 754 0 754 17 44 MB
27 754 11 65535 8 754 17 69 MB
28 699 7 256 0 699 17 41 MB
29 823 10 65535 8 823 17 68 MB
30 918 7 918 0 918 17 53 MB
31 1024 11 65535 8 1024 17 94 MB
32 1024 15 65535 8 1024 17 128 MB
33 1024 5 1024 0 1024 17 43 MB
34 612 2 128 0 612 17 10 MB
35 1024 9 65535 8 1024 17 77 MB
36 1024 8 512 0 1024 17 68 MB
37 615 8 128 0 615 17 41 MB
38 987 3 987 0 987 17 25 MB
39 987 7 987 0 987 17 57 MB
40 820 6 820 0 820 17 41 MB
41 977 5 977 0 977 17 41 MB
42 981 5 981 0 981 17 41 MB
43 830 7 512 0 830 17 48 MB
44 830 10 65535 8 830 17 69 MB
45 917 15 65535 8 918 17 114 MB
46 1224 15 65535 8 1223 17 152 MB
47 User Configurable
To configure a disk drive that does not have the settings specified in types 1-46, select type 47. Then enter the appropriate values for the number of Cylinders, Heads, WPcom, LZone, and Sectors.
Local Boot Process
The QL 4001 interfaces with the IDE drive at system boot as follows:
1. The QL 4001 checks for the existence of a C: drive. If one is found, the QL 4001 checks for a D: drive. If no C: drive is found, the QL 4001 will not attempt to locate a D: drive.
2. The CMOS disk drive configuration is verified. If it is not correct, the QL 4001 updates the CMOS configuration and reboots.
3. The user is given the option to boot from a network drive. If the user does not respond after two seconds, the QL 4001 boots from the C: drive.
Do you want to boot from the network? (Y/N)
This message is displayed when at least one hard drive exists and all hard drives have already been set up correctly. The user has 2 seconds to respond to the question. If the user does not respond, "NO" is assumed. Answering "NO" will cause the QL 4001 to boot from the C: drive. Answering "YES" will cause the QL 4001 to boot from an image file on the network. setting up xxxx This message occurs when the QL 4001 finds a drive that has not been configured. The "xxxx" refers to the model number string found and generally provides the manufacturer and model number of the drive. The message informs the user that a drive was found and that it is being initialized. rebooting. . . This message occurs after the drive(s) have been configured by the QL 4001. The QL 4001 must be rebooted to allow the new drive parameters to take effect. This message informs the user that the QL 4001 is about to reboot. The message is displayed for 2 seconds. no C: drive present This message occurs when the QL 4001 does not detect any attached IDE hard drives. The QL 4001 will attempt to perform a remote boot from an image file on a file server. Notes ! Since landing zone information is not known, the CMOS landing zone parameter for type 47 (user-defined) drives is set to 1 less than the maximum number of cylinders. * Since write pre-compensation information is not known, the CMOS write pre-compensation parameter for type 47 (user-defined) drives is always FFFFh, which disables write-precompensation.
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