SMC Networks 486DX4 - Manual (Page 61)

AR-B1462 User¡ ¦s Guide
6-11
6.4.4 RAM Disk
(1) Switch and Jumper Setting
Step 1: Use jumper block to set the memory type as ROM (FLASH).
Step 2: Select the proper I/O base port, firmware address, disk drive number on SW1.
Step 3: Insert programmed SRAM chips into sockets starting at MEM1.
NOTE: If you use the SRAM, please skip the SW1-6 & SW1-7 setting.
SRAM
M1, M2, M3, & M4
1
2
3
A B C
1
2
3
JP8
Figure 6-10 SRAM Jumper Setting
(2) Software Programming
It is very easy to use the RAM disk. The RAM disk operates just like a normal floppy disk. A newly installed RAM
disk needs to be formatted before files can be copied to it. Use the DOS command [FORMAT] to format the RAM
disk.
Step 1: Use jumper block to select the memory type as SRAM refer.
Step 2: Select the proper I/O base port, firmware address and disk drive number on SW1.
Step 3: Insert SRAM chips into sockets starting from MEM1
Step 4: Turn on power and boot DOS from hard disk drive or floppy disk drive.
Step 5: Use the DOS command [FORMAT] to format the RAM disk. If you are installing SRAM for the first
time.
To format the RAM disk and copy DOS system files onto the RAM disk.
C:\>FORMAT [RAM disk letter] /S /U
To format the RAM disk without copying DOS system files into the RAM disk.
C:\>FORMAT [RAM disk letter] /U
Step 6: Use the DOS command [COPY] to copy files onto the RAM disk. For example, if you want to copy file
to the RAM disk from drive C: and the RAM disk is assigned as drive A:.
COPY C:EDIT.EXE A:
NOTE: In addition, you can use any other DOS command to operate the RAM disk.