(2)Disk Drive Name Arrangement
If any logical hard disk drives exist in your system, there will also be a different disk number depending on which version DOS you are using.
The solid state disk drive number with there respective DOS drive designation are listed in table as follows. The solid state disk drive number is changeable as the DOS version. The following table expresses the variety.
Condition | Floppy disk No. | Logical hard disk | |||||||
0 | 1 | 2 | 3 | 1 | 2 | 3 | 4 | ||
| |||||||||
No Logical hard disk | A: | B: | C: | D: | |||||
1 Logical hard disk | A: | B: | C: | D: | E: | ||||
2 Logical hard disk | A: | B: | C: | D: | E: | F: | |||
3 Logical hard disk | A: | B: | C: | D: | E: | F: | G: | ||
4 Logical hard disk | A: | B: | C: | D: | E: | F: | G: | H: | |
Table
Condition
Floppy disk No. Logical hard disk
0 1 2 3 1 2 3 4
No Logical hard disk | A: | B: | C: | D: | ||||
1 Logical hard disk | A: | B: | D: | E: | C: | |||
2 Logical hard disk | A: | B: | E: | F: | C: | D: | ||
3 Logical hard disk | A: | B: | F: | G: | C: | D: | E: | |
4 Logical hard disk | A: | B: | G: | H: | C: | D: | E: | F: |
Table
3.2.5 ROM Type Select (SW1-8 & SW1-9)
EPROM Type | ||
OFF | OFF | UV EPROM (27Cxxx) |
ON | OFF | 5V FLASH 29Fxxx |
OFF | ON | 5V FLASH (29Cxxx & 28Eexxx) |
ON | ON | 12V FLASH (28Fxxx) |
Table
NOTE: It is also used to perform the hardware write protection of small page 5V FLASH (29Cxxx … etc.) disk.
3.2.6 Write Protected Select (SW1-10)
Disk Access
OFF | Read/Write |
ON | Read Only |
Table
