651
edits
Line 63: | Line 63: | ||
<pre> | <pre> | ||
0x0000 50 4C 55 53 49 44 45 44 4F 53 20 20 20 20 20 20 partition name "PLUSIDEDOS " | 0x0000 50 4C 55 53 49 44 45 44 4F 53 20 20 20 20 20 20 partition name "PLUSIDEDOS " | ||
0x0010 01 00 00 SH | 0x0010 01 00 00 SH EC EC EH LS LS LS LS ?? ?? ?? ?? ?? | ||
0x0020 NC NC NH ST SC SC MP MP BA | 0x0020 NC NC NH ST SC SC MP MP EA BA UA UB UM M0 M1 MR | ||
0x0030 DD ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? | 0x0030 DD ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? | ||
Key: | Key: | ||
NC: | NC: Number of cylinders available to IDEDOS. 16 bit little endian word. | ||
NH: | NH: Number of heads. | ||
ST: | ST: Number of sectors per track. | ||
SC: | SC: Number of sectors per cylinder (equal to NH * ST). 16 bit little endian word. | ||
MP: | MP: Maximum partition. 16 bit little endian word. | ||
EA: Default +3 Editor colour attribute byte. | |||
BA: Default +3 BASIC colour attribute byte. | |||
DD: | UA: Un-map drive A in non-zero. | ||
??: | UB: Un-map drive B in non-zero. | ||
UM: Un-map drive M in non-zero. | |||
M0: Drive letter to map floppy unit 0. | |||
M1: Drive letter to map floppy unit 1. | |||
MR: Drive letter to map ramdisk. | |||
DD: +3DOS default drive letter. | |||
??: Unused. | |||
</pre> | </pre> | ||