am79c961a Advanced Micro Devices, am79c961a Datasheet - Page 57

• Manufacturer Part Number: am79c961a
• Description: Pcnet?-isa Ii Jumperless, Full Duplex Single-chip Ethernet Controller For Isa
• Manufacturer: Advanced Micro Devices

AMD Device Driver Compatible
EEPROM Byte Map
The following is a byte map of the XXC56 series
of EEPROMs used by the PCnet-ISA II Ethernet
Controller. This byte map is for the case where a
Note:
Checksum 1 is calculated on words 0 through 5 plus word 7.
Checksum 2 is calculated on words 0 through 0x1Bh (first 56 bytes).
Plug and Play Reg.
EISA Config Reg.
Internal Registers
See Appendix C
Location
Word
1C
1A
1B
1F
10
11
12
13
14
15
16
17
18
19
20
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
. .
ASCII W (0 x 57H)
8-Bit Checksum
HWID (01H)
EISA Byte 1
EISA Byte 3
PnP 0x4B
Reserved
PnP 0x61
PnP 0x41
PnP 0x43
PnP 0x49
Pnp 0x71
Unused
Unused
Unused
Byte 1
Byte 3
Byte 5
Plug and Play Starting Location
Am79C961A
MISC Config 2, ISACSR9
LED1 Config, ISACSR5
LED2 Config, ISACSR6
LED3 Config, ISACSR7
MISC Config, ISACR2
External Shift Chain
MSWRA, ISACSR1
16-Bit Checksum 1
MSRDA, ISACSR0
Unused Locations
User Space 1
PCnet Family compatible software driver is imple-
mented.
(This byte map is an application reference for use in
developing AMD software devices.)
ASCII W (0 x 57H)
EISA Byte 0
EISA Byte 2
PnP 0x4A
PnP 0x4C
Reserved
Reserved
PnP 0x60
PnP 0x70
PnP 0x74
PnP 0x40
PnP 0x42
PnP 0x44
PnP 0x48
PnP 0xF0
Byte 0
Byte 2
Byte 4
I/O Ports
Interrupts
DMA Channels
ROM Memory
RAM Memory
Vendor Byte
See Appendix C
IEEE Address
(Bytes 0–5)
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