diff options
Diffstat (limited to 'release/texts/alpha/HARDWARE.TXT')
-rw-r--r-- | release/texts/alpha/HARDWARE.TXT | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/release/texts/alpha/HARDWARE.TXT b/release/texts/alpha/HARDWARE.TXT index 0af0a606de99..ec443194c06d 100644 --- a/release/texts/alpha/HARDWARE.TXT +++ b/release/texts/alpha/HARDWARE.TXT @@ -89,7 +89,10 @@ dependent. For older PCI based machines this means you will need either a NCR/Symbios 53C810 based adapter, or a Qlogic 1020/1040 based adapter. Some machines come with a SCSI chip embedded on the mainboard. Newer machine designs and SRM versions will be able to work with later SCSI chips/adapters. -Check out the machine specific info below. +Check out the machine specific info below. Please note that the rest +of this discussion only refers to Symbios chips, this is meant to include +the older chips that still have NCR stamped on them. Symbios bought the NCR +designs. The problem might bite those who have machines that started their lives as WinNT boxes. The ARC or AlphaBIOS knows about *other* adapter types that it @@ -213,7 +216,7 @@ Features: - 1x embedded IDE interface - expansion: 3 32 bit PCI slots (1 shared with ISA) 5 ISA slots (1 shared with PCI) -- embedded Fast SCSI using a NCR/Symbios 53C810 chip +- embedded Fast SCSI using a Symbios 53C810 chip SRM: NoNames can either have SRM *or* ARC console firmware in their Flash ROM. @@ -282,7 +285,7 @@ Features: - 1x embedded 21040 based 10Mbit Ethernet, AUI or 10base2 connector - expansion: 1 32 bit PCI slot, 2 PCMCIA slots - onboard Crystal CS4231 or AD1848 sound chip -- embedded Fast SCSI using a NCR/Symbios 53C810 chip on the PCI riser card +- embedded Fast SCSI using a Symbios 53C810 chip on the PCI riser card SRM/ARC: Multia has enough Flash ROM to store both SRM and ARC code at the same time @@ -700,7 +703,7 @@ set: - 21072 ("APECS") chip set - Intel 82378ZB PCI to ISA bridge chip ('Saturn') - dual 16550A serial ports -- NCR/Symbios 53C810 Fast-SCSI +- Symbios 53C810 Fast-SCSI - embedded 10 Mbit Ethernet - 2 PCI slots - 3 ISA slots @@ -838,7 +841,7 @@ Features: - ISA expansion slots (4 for 400 series, 2 for 200 & 250 series) (some ISA/PCI slots are physically shared) - embedded 21040-based Ethernet (200 & 250 series) -- embedded NCR/Symbios 53c810 Fast SCSI-2 chip +- embedded Symbios 53c810 Fast SCSI-2 chip - Intel 82378IB ("Saturn") PCI-ISA bridge chip - graphics is embedded TGA or PCI VGA (model dependent) - 16 bit sound (on 200 & 250 series) @@ -980,7 +983,7 @@ Features: 3 PCI, 2 EISA, 1 64-bit PCI/EISA combo (AS800) 7 PCI, 2 EISA (AS1000A) 2 PCI, 1 EISA/PCI, 7 EISA (AS1000) -- embedded SCSI based on NCR/Symbios 810 [AS1000] or Qlogic 1020 [AS1000A] +- embedded SCSI based on Symbios 810 [AS1000] or Qlogic 1020 [AS1000A] Box: AS1000 based machines come in multiple boxes. Floor standing, rack-mount, @@ -1157,7 +1160,7 @@ the SRM variable "usb_enable" is set to "on". You can change this by performing: "set usb_enable on" at the SRM >>> prompt. Expansion caveats: -- Don't try to use NCR/Symbios-chip based SCSI adapters in the PCI slots +- Don't try to use Symbios-chip based SCSI adapters in the PCI slots connected to hose 1. There is a not-yet-found FreeBSD bug that prevents this from working correctly. - Not all VGA cards will work behind the PCI-PCI bridge (so in slots 4 & 5). @@ -1213,9 +1216,9 @@ be installed in the DIMM slots marked '0' on the mainboard. The DIMM slots should be filled 'in order' so after bank 0 install in bank 1 and so on. Expansion: -Don't try to use NCR/Symbios-chip based SCSI adapters in the PCI slots +Don't try to use Symbios-chip based SCSI adapters in the PCI slots connected to hose 1. There is a not-yet-found FreeBSD bug that prevents this -from working correctly. DS20 ships by default with an NCR on hose 1 so you +from working correctly. DS20 ships by default with a Symbios on hose 1 so you have to move this card before you can install/boot FreeBSD on it. The kernel config file must contain: @@ -1336,7 +1339,7 @@ The SRM >>> SHOW FRU command produces an overview of your configuration with module serial numbers, hardware revisions and error log counts. Embedded SCSI: -Both Sable, DemiSable and Lynx have NCR810 based Fast SCSI onboard. +Both Sable, DemiSable and Lynx have Symbios 810 based Fast SCSI onboard. Check if it is set to Fast SCSI speed by >>> SHOW PKA0_FAST. If set to 1 it is negotiating for Fast speeds. >>> SET PKA0_FAST 1 enables Fast speeds. @@ -1424,14 +1427,14 @@ is allowed. A mix of EDO and SDRAM is also reported as working (assuming you don't try to mix EDO and SDRAM in one module pair). Embedded SCSI: -Rawhide has an embedded NCR810 Fast SCSI bus. +Rawhide has an embedded Symbios 810 Fast SCSI bus. Expansion: Rawhides are available with a 8 64-bit PCI / 3 EISA slot expansion backplanes (called 'Saddle' modules). There are 2 seperate PCI buses, PCI0 and PCI1. PCI0 has 1 dedicated PCI slot and (shared) 3 PCI/EISA slots. PCI0 also has a PCI/EISA bridge that drives things like the serial and parallel ports, -keyboard/mouse etc. PCI1 has 4 PCI slots and an NCR810 SCSI chip. VGA +keyboard/mouse etc. PCI1 has 4 PCI slots and an Symbios 810 SCSI chip. VGA console cards must be installed in a slot connected to PCI0. The current implementation has problems in handling PCI bridges. There is @@ -1487,7 +1490,7 @@ physical memory map will contain 'holes'. Supported DIMM sizes are 64 Mbytes and 256 Mbytes. The DIMMs are 72 bit SDRAM based, as the system employs ECC. Embedded SCSI: -AS1200 has an embedded NCR810 Fast SCSI bus. +AS1200 has an embedded Symbios 810 Fast SCSI bus. Expansion: AS1200 has 5 64-bit PCI slots, one 1 32-bit PCI slot and one EISA slot @@ -1495,7 +1498,7 @@ AS1200 has 5 64-bit PCI slots, one 1 32-bit PCI slot and one EISA slot There are 2 seperate PCI buses, PCI0 and PCI1. PCI0 has the 32-bit PCI slot and the 2 top-most 64-bit PCI slots. PCI0 also has an Intel 82375EB PCI/EISA bridge that drives things like the serial and parallel ports, -keyboard/mouse etc. PCI1 has 4 64-bit PCI slots and an NCR810 SCSI chip. +keyboard/mouse etc. PCI1 has 4 64-bit PCI slots and an Symbios 810 SCSI chip. VGA console cards must be installed in a slot connected to PCI0. Power: @@ -1685,7 +1688,7 @@ aware of bootability restrictions for IDE disks. See the machine specific information. - SCSI: full support via the CAM layer for Adaptec 2940x (AIC7xxx -chip-based), Qlogic family and NCR/Symbios. Be aware of the machine-specific +chip-based), Qlogic family and Symbios. Be aware of the machine-specific bootability issues for the various adapter types. - FibreChannel: the Qlogic QL2x00 FibreChannel host adapters are fully |