Nu Disc + Nu Module 0e000 =B 0000 1110 0000 0000 0000 21000 =B 0010 0001 0000 0000 0000 36000 =B 0011 0110 0000 0000 0000 44000 =B 0100 0100 0000 0000 0000 52000 =B 0101 0010 0000 0000 0000 ------ 0x??000 = ?? * [ 16 * 16 * 16 = 4K = 0x1000 ] ------ Module: 2 * IC MB8464 each IC is 8K * 8, 8*1024=8192=0x2000 Main Board: 2 * IC NEC 43256 each IC is 32K * 8 32768 = 0x8000 ---- Nu Disc Nu Module testblock -v -l 10000000 bla 8f bla | wc -l ==> 1771 10 000 000 / 4 000 = 2 500 ----- Old Drive New Module: testblock -l 1000000 -v TB.writ.with.nu.module byte 36865 (0x9001), after 0 previously checked ok. testblock -l 1000000 -v TB.writ.with.nu.module.2 byte 32769 (0x8001), after 0 previously checked ok. testblock -v -r TB OK testblock -v -r TB.writ.with.nu.module.2 byte 32769 (0x8001), after 0 previously checked ok. testblock -v -r TB.writ.with.nu.module byte 36865 (0x9001), after 0 previously checked ok. Formated & verified on gate 1542A moved to vector 1542b vector /kernel: (aha0:6:0): "MAXTOR LXT-213S 4.15" type 0 fixed SCSI 1 vector /kernel: sd3(aha0:6:0): Direct-Access 202MB (415436 512 b yte sectors) sx disklabel /dev/rsd3c sx fsck /dev/rsd3a sx mount /dev/sd3a /mnt console: /kernel: sd3: invalid primary partition table: no magic testblock -v bla testblock: bla wrote -1 bytes after 189,112,320 previously written. testblock: bla read 16384 bytes after 189,112,320 bytes previously read. -------------- Sat May 18 14:07:22 MSZ 1996 1542B, 128K cache (hi 4 * 16K block removed) Using a block size of 61440, to a limit of 10000000. testblock -v -l 10000000 bla Error at byte 16385 (0x4001), after 5,468,160 (0x537000). previous, Read 0xff, expected 0x59. -------------- removed lo block, inserted hi chips in lo block Using a block size of 61440, to a limit of 10000000. Error at byte 8193 (0x2001), after 1,720,320 (0x1a4000). previous, Read 0xff, expected 0x1c. -------------- 220v fan on processor Using a block size of 61440, to a limit of 10000000. Error at byte 57345 (0xe001), after 1,167,360 (0x11d000). previous, Read 0xff, expected 0x13. bla3: only checked 1,167,360 bytes, 8,847,360 failed. -------------- removed 3 tag ram chips, (still runs without) jp10:12 jp11:23 jp12:12 Error at byte 49153 (0xc001), after 2,826,240 (0x2b2000). previous, Read 0xff, expected 0x2e. bla: only checked 2,826,240 bytes, 7,188,480 failed. -------------- removed all 8 + 3 cache chips (still runs without) 220v fan on processor jp10:12 jp11:23 jp12:12 Error at byte 20481 (0x5001), after 3,809,280 (0x3a2000). previous, Read 0xff, expected 0x3e. bla2: only checked 3,809,280 bytes, 6,205,440 failed. -------------- removed 4m slices, put in 1m slice after 300m .. Error at byte 12289 (0x3001), after 23,101,440 (0x1608000). previous, Read 0xff, expected 0x78. -------------- 8+3 cache ICs reinserted back on board, bios set to Shadow RAM Option: Both, f000 no, c000 yes, c400 yes Error at byte 45057 (0xb001), after 14,069,760 (0xd6b000). previous, Read 0xff, expected 0xe5. Error at byte 4097 (0x1001), after 17,203,200 (0x1068000). previous, Read 0xff, expected 0x18. Error at byte 40961 (0xa001), after 101,744,640 (0x6108000). previous, Read 0xff, expected 0x78. Error at byte 24577 (0x6001), after 85,831,680 (0x51db000). previous, Read 0xff, expected 0x75. Error at byte 20481 (0x5001), after 17,571,840 (0x10c2000). previous, Read 0xff, expected 0x1e. Error at byte 53249 (0xd001), after 4,055,040 (0x3de000). previous, Read 0xff, expected 0x42. -------------- 96 05 19 removed all peripheral cards ( ether serial mitsumi-cd wt0-tape ) except GA-200 Rev 1A Local Bus VGA 50M test on /a.usr running alone passes OK -------------- simulataneous /usr & /a.usr 50M broke after 6M -------------- Connected gate HP drives to vector (66MHz 486), (with vector 1542B @ DMA=5Mb/s, & all normal boards unchanged, using non-gate ribbon right up to drives, drive 0 at end of ribbon terminated. Sync negotiate enabled, & got 0xff immediately on read on both drives: error at byte 32769 0x8001 after 0 previous, read 0xff, expected 0x0 error at byte 24577 0x6001 after 0 previous Read 0xff expected 0x0 ------ switch to non sync, simultaneous test of /usr & /a.usr drives: /a.usr: error at byte 40961 0xa001 after 10,444,800 0x9f6000 read 0xff expected 0xaa /usr: OK no errs ------ Gate disc power: 5.05V 11.87V 1st parallel test on 2 drives OK, 2nd failed: /a.usr Error at byte 32769 (0x8001), after 11,427,840 (0xae6000). previous, Read 0xff, expected 0xba. ------ 960520 Boot with other (crash) hp drive as 0: simultaneous testblock on /usr & /a.usr /usr (on the crash drive now at sd0) Error at byte 49153 (0xc001), after 4,976,640 (0x4bf000). previous, Read 0xff, expected 0x51. Error at byte 36865 (0x9001), after 57,262,080 (0x369c000). previous, Read 0xff, expected 0xa4. Error at byte 45057 (0xb001), after 27,648,000 (0x1a5e000). previous, Read 0xff, expected 0xc2. /usr1 succeeded no errors ------ 150M test on both drives: /usr (crash drive) Error at byte 16385 (0x4001), after 8,908,800 (0x87f000). previous, Read 0xff, expected 0x91. Next 150M no errs. Nex failed: Error at byte 12289 (0x3001), after 15,421,440 (0xeb5000). previous, Read 0xff, expected 0xfb. Error at byte 8193 (0x2001), after 4,300,800 (0x41a000). previous, Read 0xff, expected 0x46. Error at byte 20481 (0x5001), after 51,056,640 (0x30b1000). previous, Read 0xff, expected 0x3f. Error at byte 8193 (0x2001), after 144,261,120 (0x8994000). previous, Read 0xff, expected 0x2c. Error at byte 32769 (0x8001), after 35,205,120 (0x2193000). previous, Read 0xff, expected 0x3d. /a.usr 150M OK no error, 8 runs ------ 96 05 21 cache re-enabled on front panel (without reboot) 150M test on both drives: /usr (crash drive) Error at byte 20481 (0x5001), after 552,960 (0x87000). previous, Read 0xff, expected 0x9. One error free run ! Error at byte 24577 (0x6001), after 85,831,680 (0x51db000). previous, Read 0xff, expected 0x75. Error at byte 16385 (0x4001), after 28,078,080 (0x1ac7000). previous, Read 0xff, expected 0xc9. /a.usr 150M OK no error, 2 runs ---------- power on reset 2 simultaneous tests on /usr(Crash) & /a.usr(OK) /usr/tmp Error at byte 32769 (0x8001), after 1,781,760 (0x1b3000). previous, Read 0xff, expected 0x1d. Then 1 good run of 100M /a.usr 1 good run of 100M ---------- 96 05 21 20:30 Removed 200M Maxtor, SCSI Resistors remain on 1542B, Connected ribbon + fork ribbon & round cable to 60M Tape + Toshiba CD. Discovered 256K on board. Mainboard selector was J10-1+2, J11-2+3, J12-1+2 = 128K Mainboard selector now J10-2+3, J11-2+3, J12-2+3 = 256K Bus still hanging with: sd0(aha0:0:0): timed out sd0(aha0:1:0): timed out adapter not taking commands.. frozen?! Debugger("aha1542") called. aha0: MB0 02 and not 00 (free)