
Principles of Operation
56
September 2005
SCPS110
Table 39. EEPROM Loading Map
SERIAL ROM
OFFSET
BYTE DESCRIPTION
00h
CardBus function indicator (00h)
01h
Number of bytes (22h)
PCI 04h, command register, function 0, bits 8, 65, 20
02h
[7]
Command
register, bit 8
[6]
Command
register, bit 6
[5]
Command
register, bit 5
[4:3]
RSVD
[2]
Command
register, bit 2
[1]
Command
register, bit 1
[0]
Command
register, bit 0
03h
Reserved
04h
PCI 40h, subsystem vendor ID, byte 0
05h
PCI 41h, subsystem vendor ID, byte 1
06h
PCI 42h, subsystem ID, byte 0
07h
PCI 43h, subsystem ID, byte 1
08h
PCI 44h, PC Card 16-bit I/F legacy mode base address register, byte 0, bits 71
09h
PCI 45h, PC Card 16-bit I/F legacy mode base address register, byte 1
0Ah
PCI 46h, PC Card 16-bit I/F legacy mode base address register, byte 2
0Bh
PCI 47h, PC Card 16-bit I/F legacy mode base address register, byte 3
0Ch
PCI 80h, system control, function 0, byte 0, bits 60
0Dh
Reserved
0Eh
PCI 81h, system control, byte 1, bits 7, 6
0Fh
Reserved nonloadable (PCI 82h, system control, byte 2)
10h
PCI 83h, system control, byte 3
11h
PCI 8Ch, MFUNC routing, byte 0
12h
PCI 8Dh, MFUNC routing, byte 1
13h
PCI 8Eh, MFUNC routing, byte 2
14h
PCI 8Fh, MFUNC routing, byte 3
15h
PCI 90h, retry status, bits 7, 6
16h
PCI 91h, card control, bit 7
17h
PCI 92h, device control, bits 61 (bit 0 must be programmed to 0b)
18h
PCI 93h, diagnostic, bits 7, 40
19h
PCI A2h, power-management capabilities, function 0, bit 15 (bit 7 of EEPROM offset 19h corresponds to bit 15)
1Ah
Reserved
1Bh
Reserved
1Ch
Reserved
1Dh
ExCA 00h, ExCA identification and revision, bits 70
1Eh
PCI 86h, general control, byte 0, bits 70
1Fh
PCI 87h, general control, byte 1, bits 7, 6 (can only be set to 1b if bits 1:0 = 01b), 40
20h
PCI 89h, GPE enable, bits 7, 6, 40
21h
PCI 8Bh, general-purpose output, bits 40
22h
PCI 85h, general control byte 1, bits 20
23h
Reserved
24h
1394 OHCI function indicator (01h)
25h
Number of bytes (17h)
26h
PCI 3Fh, maximum latency bits 74
PCI 3Eh, minimum grant, bits 30
27h
PCI 2Ch, subsystem vendor ID, byte 0