Disk On Chip; Enable / Disable; Compatible Devices; Installing The Doc Chip - VersaLogic VSBC-8 Reference Manual

Disk on Chip

Socket U20 will accept an M-Systems DiskOnChip (DOC) Flash Disk for non-volatile,
read/write data storage. The DOC can be configured as a boot device
E / D
NABLE ISABLE
The DOC can be enabled or disabled through CMOS Setup by going into the Custom screen and
setting "64 KB memory page E000:0h" "DiskOnChip" or "Disabled". When enabled, the DOC
appears in the upper memory region as an 64 K page frame from E0000h to EFFFFh.
C D
OMPATIBLE
Any 5 Volt, M-Systems series rev 1.10 or later 2000 DOC device will work.
I
NSTALLING THE
1. Align pin 1 on the DOC with pin 1 of socket U20.
2. Push the DOC into the socket carefully until it is fully seated.
Warning! The DOC can be permanently damaged if installed incorrectly! When installing
or removing the DOC, be sure to align the chip as shown in the picture below. To
prevent electrostatic damage, first touch a grounded surface to discharge any static
electricity from your body.
CMOS S
ETUP
To enable the DOC as drive C on a system without a hard disk, set the CMOS setup of drive C to
"not installed", and reboot the computer.
Note! The DOC needs to be formatted with the System files in order for it to be a
bootable drive. Refer to the M-Systems web site (www.m-sys.com) for
documentation on the DOC and details on making it a bootable device.
VSBC-8 Reference Manual
EVICES
DOC C
HIP
Pin #1
Figure 5. Disk On Chip Orientation
Disk on Chip
Reference – 21