DIGITAL-LOGIC AG
PCCP5 Manual V2.3
33
CMOS Map
Continued...
Location
Description
14h
Equipment
bits 7-6 = Number of Diskette Drives
00
=
One diskette drive
01
=
Two diskette drives
10, 11 =
Reserved
bits 5-4 = Primary Display Type
00
=
Adapter with option ROM
01
=
CGA in 40 column mode
10
=
CGA in 80 column mode
11
=
Monochrome
bits 3-2 = Reserved
bit 1
= Math Coprocessor Presence
0
=
Not installed
1
=
Installed
bit 0
= Bootable Diskette Drive
0
=
Not installed
1
=
Installed
15h
Base Memory Size (in KB) - Low Byte
16h
Base Memory Size (in KB) - High Byte
17h
Extended Memory Size in (KB) - Low Byte
18h
Extended Memory Size (in KB) - High Byte
19h
Extended Drive Type - Hard Drive 0
See the
Fixed Drive Type Parameters Table
in Chapter 2
for infor-
mation on drive types 16-44.
1Ah
Extended Drive Type - Hard Drive 1
See the
Fixed Drive Type Parameters Table
in Chapter 2
for infor-
mation on drive types 16-44.
1Bh
Custom and Fixed (Hard) Drive Flags
bits 7-6 = Reserved
bit 5
= Internal Floppy Diskette Controller
0
=
Disabled
1
=
Enabled
bit 4
= Internal IDE Controller
0
=
Disabled
1
=
Enabled
bit 3
= Hard Drive 0 Custom Flag
0
=
Disable
1
=
Enabled
bit 2
= Hard Drive 0 IDE Flag
0
=
Disable
1
=
Enabled
bit 1
= Hard Drive 1 Custom Flag
0
=
Disable
1
=
Enabled
bit 0
= Hard Drive 1 IDE Flag
0
=
Disable
1
=
Enabled
Continued...
Содержание MICROSPACE PCC-P5
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