DISTRIBUTED PROCESSING TECHNOLOGY PM2124, PM2124W, PM2124-MAC, PM2124W-MAC Data bus: 32-bit PCI Size: Three-quarter length, full-height card Hard drive supported: Up to seven SCSI-2 or Fast SCSI-2 devices (PM2124/PM2124-MAC) Up to fifteen Wide SCSI-2 devices (PM2124W/PM2124W-MAC) Floppy drives None supported: [Image] CONNECTIONS (CM4000 CACHING MODULE) Function Location Fault LED (red) DS1 ECC enabled LED (green) DS2 Proprietary CM4000 connector - caching board J1 to controller Proprietary CM4000 connector - caching board J2 to controller Note: Proprietary connectors J1 and J2 are on the reverse side of the board. CONNECTIONS (CONTROLLER) Function Location 50/68-pin SCSI connector - external J11 Proprietary CM4000 connector - controller to P1 caching board Proprietary CM4000 connector - controller to P2 caching board 3-pin connector - factory test LED P4 4-pin connector - drive active LED P6 Proprietary DM4000 (disk array module) P5 connector Proprietary DM4000 (disk array module) P7 connector 50/68-pin SCSI connector - internal P10 LED - adapter busy LED1 LED - computer bus transfer to adapter LED2 LED - computer bus transfer from adapter LED3 LED - cache hit LED4 LED - disk read/ahead active LED5 LED - disk read LED6 LED - disk write LED7 LED - adapter reset LED8 LED - interrupt to computer pending LED9 LED - DRQ to computer asserted LED10 Note: 50-pin ports are on models PM2124 and PM2124-MAC. 68-pin ports are on the PM2124W and PM2124W-MAC. CACHING MODULE DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x None None None 36 1MB None (1) 256K x None None 36 1MB None None (1) 256K x None 36 1MB None None None (1) 256K x 36 2MB (1) 256K x (1) 256K x None None 36 36 DRAM CONFIGURATION (CONTINUED) Size Bank 0 Bank 1 Bank 2 Bank 3 2MB None (1) 256K x (1) 256K x None 36 36 2MB None None (1) 256K x (1) 256K x 36 36 3MB (1) 256K x (1) 256K x (1) 256K x None 36 36 36 3MB None (1) 256K x (1) 256K x (1) 256K x 36 36 36 3MB (1) 256K x None (1) 256K x (1) 256K x 36 36 36 3MB (1) 256K x (1) 256K x None (1) 256K x 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 None None None 4MB None (1) 1M x 36 None None 4MB None None (1) 1M x 36 None 4MB None None None (1) 1M x 36 8MB (1) 1M x 36 (1) 1M x 36 None None 8MB None (1) 1M x 36 (1) 1M x 36 None 8MB None None (1) 1M x 36 (1) 1M x 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 12MB None (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 12MB (1) 1M x 36 None (1) 1M x 36 (1) 1M x 36 12MB (1) 1M x 36 (1) 1M x 36 None (1) 1M x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 None None None 16MB None (1) 4M x 36 None None 16MB None None (1) 4M x 36 None 16MB None None None (1) 4M x 36 32MB (1) 4M x 36 (1) 4M x 36 None None 32MB None (1) 4M x 36 (1) 4M x 36 None 32MB None None (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 None 48MB None (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 None (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 None (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 Notes: Although not shown above, 1MB, 4MB and 16MB SIMMs can be combined and DPT ECC SIMMs can replace parity SIMMs of 4MB or 16MB. Single sided SIMMs are preferred, but low-profile double sided 2MB and 8MB increments are supported.