W83627HF/ F/ HG/ G
9.7
Logical Device 5 （KBC）
CR30 （Default 0x01 if PNPCVS = 0 during POR, default 0x00 otherwise）
BIT
7 - 1
0
DESCRIPTION
Reserved.
Logic device activation control.
1： Active
0： Inactived
CR60, CR 61 （Default 0x00, 0x60 if PNPCVS = 0 during POR, default 0x00 otherwise）
These two registers select the first KBC I/O base address [0x100：0xFFF] on 1 byte boundary.
CR62, CR 63 （Default 0x00, 0x64 if PNPCVS = 0 during POR, default 0x00 otherwise）
These two registers select the second KBC I/O base address [0x100：0xFFF] on 1 byte boundary.
CR70 （Default 0x01 if PNPCVS = 0 during POR, default 0x00 otherwise）
BIT
7 - 4
3 - 0
DESCRIPTION
Reserved.
These bits select IRQ resource for KINT （keyboard）.
CR72 （Default 0x0C if PNPCVS = 0 during POR, default 0x00 otherwise）
BIT
7 - 4
3 - 0
DESCRIPTION
Reserved.
These bits select IRQ resource for MINT （PS2 Mouse）
CRF0 （Default 0x80）
BIT
DESCRIPTION
7 - 6
KBC clock rate selection
00： Select 6MHz as KBC clock input.
01： Select 8MHz as KBC clock input.
10： Select 12Mhz as KBC clock input.
11： Select 16Mhz as KBC clock input.
Reserved.
5 - 3
2
0： Port 92 disable.
1： Port 92 enable.
1
0
0： Gate20 software control.
1： Gate20 hardware speed up.
0： KBRST software control.
1： KBRST hardware speed up.
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