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. |