ibm3206k0424 ETC-unknow, ibm3206k0424 Datasheet - Page 197

• Manufacturer Part Number: ibm3206k0424
• Description: Ibm Processor For Network Resources
• Manufacturer: ETC-unknow

Preliminary
5.9: COMET/PAKIT Checkbit Inversion Register
This register can be used for diagnostic purposes to invert the ECC/parity check bits that are written to mem-
ory.
Length
Type
COMET Address
PAKIT Address
Power On Value
Restrictions
5.10: COMET/PAKIT Memory Controller Write Enable Register
This register must be written to a specific pattern before the Memory Control Register can be written.
Length
Type
COMET Address
PAKIT Address
Power On Value
Restrictions
pnr25.chapt04.01
August 14, 2000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
Bit(s)
Bit(s)
31-8
31-7
7-0
6-0
Reserved
Reserved
Invert Check bits
Lock bits
Function
Function
32 bits
Read/Write
XXXX 0930
XXXX 09B0
X’00000000’
None
32 bits
Read/Write
XXXX 0934
XXXX 09B4
X’000000B4’
None
Reserved
Reserved
This register must be written to a X’4’ before the Memory Control Register can be written.
This register will POR to X’4’, but CRISCO code sets up the memory controller and clears
this register back to X’0’.
Reserved
Setting any of these bits inverts the corresponding check bit that is written to memory.
Only bits 3-0 are valid when parity is used as a checking mechanism.
Reserved
Description
Description
IBM Processor for Network Resources
9
9
The DRAM Controllers (COMET/PAKIT)
8
8
7
7
6
6
5
5
Invert Check bits
Lock bits
4
4
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IBM3206K0424
3
3
2
2
1
1
0
0