Specifications

Index–2 9 March 1999 – Subject to Change
Debug monitor
system support, 1–5
Design support, 1–6
Dimensions
motherboard, 3–2
Direct mapping, 4–4
Diskette controller, 4–7
DMA conversion, 4–4
Documentation
ordering, B–4
E
Environmental requirements, 3–2
Extents and ranges, xii
F
Fan sensor, 3–1
FDC37C935. See Combination controller.
Flash ROM
AlphaBIOS firmware, 1–5
Ubus memory device, 4–9
H
Heat sink/fan, 5–5
I
I/O shield dimensions, 3–4
Interface
main memory, 4–4
Interrupts, 4–10
system assignment, 4–12
INTnn, xi
ISA
bus, 4–5
devices, 4–7
expansion slots, 4–7
interface, 1–4
J
Jumper configurations, 2–4
Jumper descriptions, 2–3
Jumpers
Bcache size, 2–5
boot option, 2–5
flash ROM update, 2–6
password bypass, 2–5
K
Keyboard
controller, 4–8
M
Mapping
direct (DMA), 4–4
scatter-gather, 4–4
Memory
access rules and operation, A–18
alternate mode, 4–5
DIMM sizes, 5–1
main, 4–4
PCI dense space, A–15
PCI sparse space, A–17
remapping, A–6
SDRAM DIMM pinouts, 2–9
subsystem, 1–3
Microprocessor
heat sink/fan, 5–5
speeds, 1–1
upgrading, 5–3 to 5–6
Motherboard
ATX hole specification, 3–3
ATX I/O shield, 3–4
component descriptions, 2–3
configuration jumpers, 2–4
dimensions, 3–2
layout, 2–2
Mouse
controller, 4–8