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21264/EV68A Hardware Reference Manual
Index–5
ECC
64-bit data and check bit code
, 8–2
Dcache data single-bit correctable errors
, 8–3
for system data bus
, 8–2
memory/system port single-bit correctable
errors
, 8–7
store instructions
, 8–4
ENABLE_EVICT Cbox CSR
, 4–23, 5–39
ENABLE_PROBE_CHECK Cbox CSR
, 8–2
defined
, 5–35
ENABLE_STC_COMMAND Cbox CSR, defined
,
5–35
Energy star certification
, 7–9
Error case summary
, 8–10
Error correction code. See ECC
Error detection mechanisms
, 8–1
EV6Clk_x signal pins
, 3–4
Evict, 21264/EV68A command
, 4–13, 4–22, 4–39
EVICT_ENABLE Cbox CSR
, 7–13
EXC_ADDR exception address register
, 5–8
after fault reset
, 7–8
at power-on reset state
, 7–15
EXC_SUM exception summary register
, 5–13
at power-on reset state
, 7–15
Exception and interrupt logic
, 2–8
Exception condition summary
, A–15
External cache and system interface unit. See Cbox
External convention
, xxi
External interface initialization
, 7–14
EXTEST public instruction
, B–1
F
F31
load instructions with
, 2–23
retire instructions with
, 2–22
Fast data disable mode
, 4–33
Fast data mode
, 4–30, 4–31
FAST_MODE_DISABLE Cbox CSR
, 4–30
defined
, 5–34
Fault reset flow
, 7–8
Fault reset sequence of operations
, 7–9
FAULT_RESET reset machine state
, 7–18
Fbox
described
, 2–10
executed in pipeline, 2–16
FEN fault
, 6–13
FetchBlk, 21264/EV68A command
, 4–22, 4–39
system probes, with
, 4–41
FetchBlkSpec, 21264/EV68A command
, 4–22,
4–39
Field notation convention
, xxi
Floating-point arithmetic trap, pipeline abort delay
with
, 2–16
Floating-point control register
, 2–35
PALcode emulation of
, 6–11
Floating-point execution unit. See Fbox
Floating-point instructions
IEEE
, A–9
independent
, A–11
VAX
, A–11
Floating-point issue queue
, 2–7
Forwarding clock pin groupings
, E–1
FPCR. See Floating-point control register
FQ. See Floating-point issue queue
FrameClk_x signal pins
, 3–5, 4–30
G
GCLK, 7–19
Global predictor
, 2–4
H
Heat sink center temperature, 10–1
Heat sink specifications
, 10–3
HW_INT_CLR hardware interrupt clear register
,
5–12
at power-on reset state
, 7–15
updating
, D–18
HW_LD PALcode instruction
, 6–3, A–9, D–18
HW_MFPR PALcode instruction
, 6–6, A–9
HW_MTPR PALcode instruction
, 6–6, A–9
HW_REI PALcode instruction
, A–9
HW_RET PALcode instruction
, 6–5
HW_ST PALcode instruction
, 6–4, A–9
I
I/O address space
instruction data merging
, 2–29
load instruction data merging, 2–28
load instructions with
, 2–27
store instructions with
, 2–29
I/O write buffer
, 2–11
defined
, 2–32