At 08:23 -0400 07/28/2002, Craig Phillips wrote:
> [the subject line]
(Some of this needs to line up properly, so best displayed in Courier)
The primary behavioral differences are in compatibilities with the lower slots.
The feature differences are as follows with the 9500/9600/Genesis thrown in:
S900
L2 cache: 512KB soldered to motherboard
DIMM sockets: Eight
CPU socket: Standard plus second slot for proprietary
secondary 604(e) CPU
PCI slots: Six with slot 1 extended for E100 card. 1 & 2
controlled by Bandit. 3-6 on PCI-PCI Bridge (DEC
21052AB).
Power Supply: Special, but uses same signals as ATX. ATX
adaptable by putting new connectors on ATX PS.
Motherboard Form Factor: Standard ATX
Sound ports: Rear stereo out. Front Stereo out and in.
Front jacks on special card not included with bare
motherboard. No rear microphone port.
ROMs: 4 MB stored on four 8 Megabit chips. Apple parts
341S0168 - 341S0171
PTP
L2 cache: Socket for motherboard cache. Supports 0, 256K, 512K and 1 MB.
DIMM sockets: Eight
CPU socket: Standard
PCI slots: Six. Slots 1 -3 controlled by Bandit 1. Slots
4 -6 controlled by Bandit 2.
Power Supply: Standard ATX
Motherboard Form Factor: Standard ATX
Sound Ports: Rear Stereo out and in.
ROMs: 4 MB stored on four 8 Megabit chips. Apple parts
341S0168 - 341S0171
9500/9600/Genesis
L2 cache: 512KB soldered to motherboard (except in 9600
Enhanced, AKA Kansas).
DIMM Sockets: Twelve
CPU socket: Standard
Power Supply: Special Apple. ATX can be adapted, but
requires both putting new connectors on wires, and
adding an inverter chip to the power-on signal.
Motherboard Form Factor: Special Apple. Adaptable to ATX
but requires sheet metal work.
Sound Ports: Rear Stereo out and in.
ROMs:
9500/Genesis: 4 MB stored on four 8 Megabit chips. Apple
parts 341S0168 - 341S0171
9600: ROMs: 4 MB stored on four 8 Megabit chips. Apple
parts 341S0280 - 341S0283
9600 Enhanced: 4 MB stored on four 8 Megabit chips. Apple
parts 341S0380 - 341S0383 (supports Speculative
Processing with G3/G4).
The architectural differences are as follows:
S900 CPU(s) Hammerhead (mem controller)
| |
CPU/Memory Bus -------------------------------------
|
Bandit (CPU-PCI Bridge)
|
PCI Bus (primary) ------------------------------------------
| | | |
slot 1 slot 2 PCI-PCI Bridge Grand Central
| |
PCI Bus (Secondary) ------------------------------ |
| | | | |
slot 3 slot 4 slot 5 slot 6 |
|
System I/O --------------------------------------------------
| | | | | |
Sound Floppy Curio Fast SCSI CUDA/ADB NVRAM
|
-------------------------------------
| | |
Serial ports Ethernet Unenhanced SCSI
PTP/9500/9600/Genesis
CPU(s) Hammerhead (mem controller)
| |
CPU/Memory Bus -------------------------------------
| |
Bandit 2 Bandit 1
| |
PCI Bus 2 ---------------------------- |
| | | |
slot D2 slot E2 slot F2 |
|
|
PCI Bus 1 --------------------------------------------
| | | |
slot A1 slot B1 slot C1 Grand Central
|
|
System I/O --------------------------------------------------
| | | | | |
Sound Floppy Curio Fast SCSI CUDA/ADB NVRAM
|
-------------------------------------
| | |
Serial ports Ethernet Unenhanced SCSI
7500/8500/7600/8600/7300
CPU(s) Hammerhead (mem controller)
| |
CPU/Memory Bus -------------------------------------
| |
CHAOS/Control (Video Bridge) Bandit (CPU-PCI Bridge)
| |
Video Bus ---------------------- |
| | |
Built-in Video Video Capture/Export |
|
PCI Bus --------------------------------
| | | |
slot 1 slot 2 slot 3 Grand Central
|
|
|
System I/O --------------------------------------------------
| | | | | |
Sound Floppy Curio Fast SCSI CUDA/ADB NVRAM
|
-------------------------------------
| | |
Serial ports Ethernet Unenhanced SCSI
PowerWave
CPU(s) Hammerhead (mem controller)
| |
CPU/Memory Bus -------------------------------------
|
Bandit (CPU-PCI Bridge)
|
PCI Bus -------------------------------------
| | | |
slot 1 slot 2 slot 3 Grand Central
|
|
System I/O -----------------------------------------------
| | | | | |
Sound Floppy Curio Fast SCSI CUDA/ADB NVRAM
|
-------------------------------------
| | |
Serial ports Ethernet Unenhanced SCSI
End part 1, continued in part 2
Jeff Walther
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