AMERICAN MEGATRENDS, INC.
418 MEGARAID (2-CHANNEL VERSION)
428 MEGARAID (2-CHANNEL VERSION)
MEGARAID ULTRA
|
Processor |
Intel i960CA RISC |
|
Processor Speed |
33MHz |
|
Maximum Onboard Memory |
128MB DRAM (MegaRaid 418 and 428) 32MB DRAM (MegaRaid Ultra) |
|
Hard Drives supported |
Up to 30 SCSI-2 Wide and Fast devices |
|
Floppy drives supported |
None |
|
I/O Options |
Tone generator |
|
Data Bus |
32-bit PCI |
|
Card Size |
Full-length, full-height card |
|
RAID levels supported |
0,1,3,5,30 and 50 |
|
CONNECTIONS | |||
|
Function |
Location |
Function |
Location |
|
4-pin connector - auxiliary TermPOWER |
J3 |
26--pin connector - fault bus |
J13 |
|
68-pin SCSI channel 1 connector - internal |
J4 |
9--pin serial port - internal (optional - not on all models) |
J15 |
|
68-pin SCSI channel 2 connector - internal |
J5 |
8-pin connector - cache battery backup |
J19 |
|
50-pin SCSI channel 1 connector - internal |
J8 |
20-pin connector - cache battery backup |
J21 |
|
4-pin connector - drive active LED |
J10 |
68-pin SCSI channel 2 connector - external |
J26 |
|
50-pin SCSI channel 2 connector - internal |
J11 |
68-pin SCSI channel 1 connector - external |
J27 |
|
2-pin connector - dirty cache LED |
J12 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
PCI expansion BIOS enabled |
J2 |
Closed | |
|
PCI expansion BIOS disabled |
J2 |
Open | |
|
Controller chipset is other than Intel Triton (see note below) |
J28 |
Pins 1 & 2 closed | |
|
Controller chipset is Intel Triton |
J28 |
Pins 2 & 3 closed | |
|
Note: Jumper J28 is present on model 418 Rev. A only. | |||
|
CHANNEL 1 TERMINATION POWER SETTINGS | ||
|
Setting |
J20 | |
|
TERMPOWER from PCI bus to Channel 1 |
1 & 2 | |
|
TERMPOWER from auxiliary power source to Channel 1 |
2 & 3 | |
|
TERMPOWER from SCSI bus to Channel 1 |
Open | |
|
CHANNEL 2 TERMINATION POWER SETTINGS | ||
|
Setting |
J17 | |
|
TERMPOWER from PCI bus to Channel 2 |
1 & 2 | |
|
TERMPOWER from auxiliary power source to Channel 2 |
2 & 3 | |
|
TERMPOWER from SCSI bus to Channel 2 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(1) 1MB x 36 |
None |
|
8MB |
(1) 1MB x 36 |
(1) 1MB x 36 |
|
16MB |
(1) 4MB x 36 |
None |
|
32MB |
(1) 4MB x 36 |
(1) 4MB x 36 |
|
64MB |
(1) 16MB x 36 |
None |
|
128B |
(1) 16MB x 36 |
(1) 16MB x 36 |
|
Note: The maximum cache on the MegaRaid Ultra is 32MB. | ||