SECTION 7
System Information
7-18 PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide
Table 7Ć9 (Continued)
CMOS Register Assignments
Register Name
Definition
Value
CMOS_DISKETTE2_TYPE
11h
CMOS_FDISK_TYPE
12h
CMOS_EQUIPMENT
14h
CMOS_BASE_MEMLO
15h
Conventional memory size
CMOS_BASE_MEMHI
16h
CMOS_XTD_MEMLO
17h
Extended memory size
CMOS_XTD_MEMHI
18h
CMOS_FDISK1_TYPE
19h
CMOS_FDISK2_TYPE
1Ah
CMOS_CHKSUM_HI
2Eh
Checksum for 10hć2Dh
CMOS_CHKSUM_LO
2Fh
CMOS_POST_XTD_MEMLO 30h
Posted extended memory size
CMOS_POST_XTD_MEMHI 31h
CMOS_DOS_FLAGS
3Fh
ROM DOS boot flags
bMasterModeBoot
01h
Master Mode boot bit
bDefaultDrive
06h
00 = A, 01 = B, 10 = C, 11 = D
CMOS_FLASH_INFO
40h
FLASH_1_512K
00h
Bit values to define flash size
FLASH_2_512K
01h
FLASH_3_512K
02h
FLASH_4_512K
03h
bATMEL
40h
Set only for Atmel Flash type
bAMD
80h
Set only for AMD flash type
7. System Information