User`s guide
Physical board parameters, 5–2
Power distribution, 3–39
Power requirements, 5–1
See also Power distribution
Presence detect high-data register, A–12
Presence detect logic, 3–12
Presence detect low-data register, A–11
Processor interrupts, 3–19
Programmable array logic, 1–2
Programmable memory timing, 3–12
R
Ranges, xv
Read latency minimization, 3–11
References
See Schematic references
Refresh timing register, A–23
Register field notation, xvi
Register figures, xv
Registers, A–1 to A–38
See also specific register entries
Related documentation, D–3
Reset, 3–41
Round-robin arbiter interrupts, 3–19
S
Saturn IO chip
See SIO chip
Schematic references, xviii
Serial ROM
See SROM
Serial ROM code, 1–5, 3–41
Should be zero, xv
Signal names, xviii
SIO chip, 3–34
configuration register address map, C–6
interrupt logic, 3–30
operating register address map, C–1
SIO PCI-to-ISA bridge
configuration address map, C–6
operating register address map, C–1
Software configuration jumpers, 2–1
Software support, 1–5
debug and monitor code, 3–43
operating systems, 3–43
serial ROM code, 3–41
system software, 3–41
SROM, 3–38
Support chipset, 1–2
sysBus and PCI-initiated transactions
data coherency, 3–17
deadlock resolution, 3–18
guaranteed access-time mode, 3–19
sysBus arbitration, 3–9
sysBus controller, 3–10
sysBus error address register, A–29
sysBus interface, 3–8, 3–14
address decode, 3–14
I/O read data buffering, 3–14
I/O write transaction buffering, 3–14
wrapping mode, 3–14
sysBus output selectors, 3–22
sysData bus, 3–20
System address mapping
CPU-to-PCI address space, 4–1
System address space
21071-CA CSR space, 4–5
21071-DA CSR space, 4–7
cacheable memory space, 4–4
noncacheable memory space, 4–4
PCI configuration space, 4–12
PCI dense memory space, 4–18
PCI interrupt acknowledge/special cycle,
4–8
PCI sparse I/O space, 4–9
PCI sparse space, 4–15
PCI-to-physical memory addressing, 4–19
System components, 1–1
System features, 1–1
System interrupts, 3–30
System ROM
See Flash ROM
System software, 3–41
debug and monitor code, 3–43
operating systems, 3–43
serial ROM code, 3–41
Index–5