IDT
TM
56-pin CK505 for Embedded Intel Systems 1614B—01/21/10
ICS9EPRS525
16
56-pin CK505 for Embedded Systems
Byte 8 Device ID and Output Enable Register
Bit Pin Name Description Type 0 1 Default
7Device_ID3 R 0
6Device_ID2 R 0
5Device_ID1 R 0
4Device_ID0 R 0
3 Reserved Reserved RW - - 0
2 Reserved Reserved RW - - 0
1 SE1_OE Output enable for SE1 RW Disabled Enabled 0
0 SE2_OE
Output enable for SE2
RW Disabled Enabled 0
Byte 9 Output Control Register
Bit Pin Name Description Type 0 1 Default
7PCIF5 STOP EN
Allows control of PCIF5 with assertion of
PCI_STOP#
RW Free running
Stops with
PCI_STOP#
assertion
0
6 TME_Readback Truested Mode Enable (TME) strap status
R
normal operation no overclocking Latch
5 REF Strength Sets the REF output drive strength RW 1X (2Loads) 2X (3 Loads) 1
4 Test Mode Select Allows test select, ignores REF/FSC/TestSel RW Outputs HI-Z Outputs = REF/N 0
3 Test Mode Entry
Allows entry into test mode, ignores
FSB/TestMode
RW Normal operation Test mode 0
2 IO_VOUT2 IO Output Voltage Select (Most Significant Bit) RW 1
1 IO_VOUT1 IO Output Voltage Select RW 0
0 IO_VOUT0 IO Output Voltage Select (Least Significant Bit) RW 1
Byte 10 Stop Enable Register
Bit Pin Name Description Type 0 1 Default
7 SRC5_EN Readback Readback of SRC5 enable latch
R
CPU/PCI Stop
Enabled
SRC5 Enabled Latch
6 Reserved RW - - 0
5 Reserved RW - - 0
4 Reserved RW - - 0
3 Reserved RW - - 0
2 Reserved RW - - 0
1 CPU 1 Stop Enable Enables control of CPU1 with CPU_STOP# RW Free Running Stoppable 1
0 CPU 0 Stop Enable Enables control of CPU 0 with CPU_STOP# RW Free Running Stoppable 1
Byte 11 iAMT Enable Register
Bit Pin Name Description Type 0 1 Default
7 PCI3_CFG1 R Latch
6 PCI3_CFG0 R Latch
5 Reserved Reserved R
--0
4 Reserved Reserved RW - - 1
3 CPU2_AMT_EN
Determines if CPU2 runs in M1 mode.
Only valid if ITP_EN=1. See Note.
RW Does not Run Runs 0
2 CPU1_AMT_EN Determines if CPU1 runs in M1 mode. See Note. RW Does not Run Runs 1
1 PCI-E_GEN2 Determines if PCI-E Gen2 compliant R non-Gen2
PCI-E Gen2
Compliant
1
0 CPU 2 Stop Enable Enables control of CPU 0 with CPU_STOP# RW Free Running Stoppable 1
NOTE: A value of '00' for Bit(3:2) in Byte 11 is reserved and not a valid configuration.
Reserved
Table of Device identifier codes, used for
differentiating between CK505 package options,
etc.
56-pin device
See Table 3: V_IO Selection
(Default is 0.8V)
See PCI3 Configuration Table 28 See PCI3 Configuration Table