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AR-B7041 User¡¦s Guide
3-5
(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.
Floppy disk No. Logical hard disk
Condition
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 3-5 SSD Drive Number for DOS Version before 5.0
Floppy disk No. Logical hard disk
Condition
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 3-6 SSD Drive Number for DOS Version 5.0 and Newer
3.2.5 ROM Type Select (SW1-8 & SW1-9)
SW1-8 & SW1-9 are used to select the memory type of ROM disk which is going to be used on the AR-B7041.
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 3-7 ROM Type Select
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)
SW1-10 is used to enable or disable the write protect function of the SRAM disk or small page 5V FLASH disk. If
SW1-10 is set to the <ON> position, the FLASH/SRAM disk will operate in the same manner as a write protected
floppy disk. A write protect floppy disk is a <read only> disk. This function will protect your important file(s) from
accidental deletion.
SW1-10 Disk Access
OFF Read/Write
ON Read Only
Table 3-8 Write Protected Select