Product specifications

VT8237R Data Sheet
Revision 2.06 December 15, 2004 -28- Register Overview
Configuration Space SATA-Specific Registers (continued)
Offset
Transport Status Registers Default Acc
78 Primary Channel Transport Status I
01 RO
79 Primary Channel Transport Status II 00
RO
7A Sec Channel Transport Status I
01 RO
7B Sec Channel Transport Status II 00
RO
Offset
PHY Status Registers Default Acc
7C Internal PHY Status 00
RO
7D External PHY Status 00
RO
7E-7F -reserved- 00 —
Offset
Channel Control Registers Default Acc
80 Pri Channel Device Mode Status 00
RO
81 Sec Channel Device Mode Status 00
RO
82-87 -reserved- 00 —
8B-88 Primary Channel SG Base Address 0000 0000
RO
8F-8C Secondary Channel SG Base Addr 0000 0000
RO
Offset
Test Registers Default Acc
90-9F Reserved (Do Not Program) 00 RW
Offset
Legacy Power Management Regs Default Acc
A0-C1 -reserved- 00 —
C3-C2 PCI Power Mgmt Capabilities
0002 RO
C5-C4 PCI Power Mgmt Control / Status 0000 RW
C6-CF -reserved- 00 —
Offset
Miscellaneous Control Registers Default Acc
D0 -reserved- 00 —
D1 PATA Control 00 RW
D2-FF -reserved- 00 —
I/O Space SATA Registers
Offset
Status Control Registers Default Acc
3-0 SATA Status 0000 0000
RO
7-4 SATA Error 0000 0000
WC
B-8 SATA Control
0000 0310
RW
9-FF -reserved- 00 —
Note: The base address for access of these registers is
specified in Rx27-24.