Xycom XVME-678 Manual page 49

XVME-678/688 Manual
July 1994
be displayed on the menu. This field, which is not editable, is controlled by the BIOS shadow selections
(Section 3.3.1.13). It is for reference only.
The default shipping configuration for the XVME-678/688 will have the System BIOS and the Video
BIOS shadowed. Shadowing the BIOS increases system performance.
NOTE
Shadow RAM is always allocated for BIOS shadow only. Disabling the
BIOS shadow option will not increase the amount of system memory.
3.3.1.7 EMS Memory
This option is used to set the amount of system memory to be configured as Expanded Memory (EMS).
As the amount of EMS memory increases, the amount of extended memory decreases, and vice versa.
3.3.1. 8 Internal Floppy and IDE (Disabled/Enabled)
These selections enable or disable the internal floppy and IDE hard disk drive controllers.
3.3.1. 9 Diskette Drives 0 and 1
Diskette Drive 0
Diskette Drive 1
(none/1.44MB. 3
1
h"/360KB, 5IA"/1.2MB, 5IA"/720KB, 31;2'1)
(~/1.44MB, 31;2'1/360KB, 5IA "/1.2MB, 5IA "/720KB, 31;2'1)
These fields are used to specify the types of floppy disk drives connected to the PC/AT.
3.3.1.10 Fixed Disk Drives 0 and 1
Fixed Disk 0
Fixed Disk 1
(~/l-14/l6-45/User)
(~/1-14/16-45/User)
This selection individually configures the disk drives as one of 45 drive types, a user-defined type, or not
installed. All 45 drive types are displayed on the screen if Fl is pressed. If the type "User" is selected,
several fixed disk parameters must be specified: number of cylinders (CY), heads (HD), sectors per track
(ST), landing zone cylinder (LZ), and write precompensation (WP). Consult your fixed disk drive manual
for information on any of these parameters.
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